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Russound ADP-1.2 Speaker-level to Line-level Adapter

Item # 543ADP12

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About the Russound ADP-1.2 Speaker-level to Line-level Adapter

Use this adapter to convert a speaker-level signal to a line-level signal. It's great for sending the amplified output of a multi-room audio system to a more powerful amplifer, or adding a second amp to power more speakers. The adapter features a four-conductor speaker wire input and a female RCA stereo output.

Product highlights:

  • speaker-level to line-level adapter
  • handles 250 watts per channel RMS
  • handles 500 watts per channel peak
  • attenuation: -30 dB
  • input terminals accept bare wire up to 14-gauge
  • female RCA stereo output
  • 3-3/8"W x 1"H x 2-1/2"D
  • warranty: 10 years
  • Our 60-day money-back guarantee
  • MFR # 9500-200891

What's in the box:

  • Speaker-level to Line-level interface
  • Instruction manual

Customer reviews

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Russound ADP-1.2 Speaker-level to Line-level Adapter reviews

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Worked Perfectly, but Really Needs a Cover

Jeffrey from Charlotte, NC on 8/7/2019

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The product worked exactly as intended and allowed me to add external amplification to a receiver that didn't have line-outs. Only reason I can't give it 5 stars is because of the lack of any type of cover - I felt like I had to be really careful the whole time during installation and am still nervous it could get damaged with a minor touch (or if anyone sneezes around it).

Pros: Worked perfectly Cost effective solution

Cons: Lack of a cover

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Inwood, WV on 7/2/2019

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It works well but I find it lacks in sound quality compared to other inputs such as tuner, CD, etc. I'm an audiophile, the sound quality is real good but not great. I really wanted to like this item.

Pros: Most casual listeners would be quite happy with the sound.

Cons: Produces a slightly muddy sound from about 4000 hz and below.

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Alabaster, AL on 4/10/2019

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Works great with trying to get the new active soundbars to act just as true center speaker

Pros:

Cons:

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0 of 0 found this helpful

New digital life for old analog equipment

Crutchfield customer from Santee, CA on 4/4/2019

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Although the board has a build date of 2003, that is much newer than the Carver AVR I bought in 1988. It appears to be made simple and well. Open design allows it to dissipate heat as it is rated at 250W continuous and has a 10yr warranty from Russound. This design is not made to work with class 'D' amplifiers but works well with class 'A' or 'B'. I will go out on a limb and speculate class 'D' means digital and this is meant to be analog. How well does it work? Fantastic, the sound is clear. I am using it to play Radio Shack minus 7 bookshelf speakers in the kitchen and dining room that are hidden from view from the Carver being fed a signal from speakers 'B' from the Denon which is my redneck way to use what I got so I can listen to Spotify from my phone through the Samsung Bluray player connected to the Denon.....did I lose you? As you may wonder...yes the volume of the Denon will affect the volume of the Carver. When the Denon is playing comfortably loud, the volume on the Carver is about 30% and it is comfortably loud. When turning down the Denon volume, this will effectively turn down the Carver volume by reducing is feed level.

Pros: Works as it should, an option to return it if it does not for you.

Cons: You have to wait for it to arrive.

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Hastings, MN on 2/11/2019

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Worked perfect, would be nice it came with a case

Pros: works as described

Cons: no case

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0 of 0 found this helpful

If you're missing pre-outs, this is the way to go

Andre from Los Gatos, CA on 1/27/2019

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Great product: does exactly what it says. I needed a line-level adapter for a specific purpose. My home surround receivers simply didn't have enough power to feed my very power hungry Polk RTI A9s. So I introduced a Power Amplifier into my audio mix specifically the Crown XLS 1002 after speaking to Crutchfield in depth. When I originally purchased the Polk RTI A9s I was told they were hungry (and I thought my receiver had enough power but learned my receiver was tailored more for a surround sound set up 7.2 (and all that power wouldn't be dedicated to these awesome towers! Moreover, I wanted to tailor this specific room to music listening. Boy did my Polk RTI A9s come alive once they had the juice they needed from this Crown XLS 1002. It wouldn't have been possible without this line-level adapter (as my receiver did NOT have a pre-out) and I did not want to buy a new receiver as this one works perfectly.

Pros: Small, does exactly what it says, inexpensive considering the alternative is to purchase a new receiver with preouts

Cons: the inputs can only accept a certain size awg - no larger than 12awg, 12awg is really pushing it finishing touch would be a case to keep it protected from dust and any potential mishaps

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1 of 1 found this helpful

Excellent When Line Level Output Needed

Jon from Corte Madera, CA on 1/3/2019

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This little device saved the day after I bought a new Klipsch subwoofer that did not have speaker level inputs to connect to my vintage tube amp. I didn't know these existed outside of the car stereo world until CJ found it for me in live chat! Exactly what I needed, easy to connect and sounds great!

Pros: Small, easy to connect, effective in converting speaker level signal to line level signal, when your amp doesn't have a sub-out and your subwoofer doesn't have speaker level inputs.

Cons: No cons!

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Bonita Springs, FL on 12/25/2018

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Works well but needs a case.

Pros: Easy setup,

Cons: No case.

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0 of 0 found this helpful

Great amp tie-in solution

Christian from Mesa, AZ on 12/5/2018

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This does exactly what it's supposed to do, and does it well. When the receiver lacks pre-outs, this is the only real solution. My only minor complaint, like others, is it lacks any enclosure as an option.

Pros: Great solution to a vexing problem.

Cons: Would like to have an optional enclosure.

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0 of 0 found this helpful

Perfect for my need

Dennis from Lafayette, IN on 11/25/2018

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Perfect for my need! I needed a way to hook up a subwoofer to a tube amp with no preouts. This little item did the trick.

Pros: Easy to use Purpose built Fairly inexpensive

Cons: Would have liked it to come in some type of project box

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Venetia, PA on 10/9/2018

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This circuit board worked great. It allowed me to connect my receiver to my Sonos system using the RCA jacks.

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Windsor, CO on 10/7/2018

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Nothing complicated about this product, it does what is supposed to do. Very pleased with the ordering process and receiving the delivery on time.

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Berwick, PA on 7/9/2018

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Works great! Just what I needed. Thanks for all your help and expertise.

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1 of 1 found this helpful

Simple adequate low cost solution

Michael from San Leandro, CA on 6/12/2018

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The unit is without a costly housing, and cab be located anywhere....great!!!

Pros: Simple way to get from speaker output to signal input...it works!!!

Cons: None

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0 of 0 found this helpful

Great product

JR from Federal Way, WA on 5/2/2018

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My HK receiver does not have preamp outs. I wanted more power to drive the L and R speakers when listening to music. The adapter is working great driving a Crown 1002 amp. It is clean and quiet.

Pros: Works great

Cons: None

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1 of 1 found this helpful

Great little unit

Johnny from Kapolei, HI on 4/9/2018

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It may not look nice but it works! I am using it to send a signal from my integrated tube amp too my subwoofer. Fast shipping and great build quality. I also installed the unit in a home made enclosure to protect the unit.

Pros: Build quality and components.

Cons: Lack of an enclosure to protect the electronics, but is no big deal.

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Wrightstown, NJ on 3/30/2018

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Exactly what i needed to support my Denon AVR + Parasound amp. Super easy install, no discernible noise or unwanted side effects - amp sounds amazing! Like that it is open (no case) and comes with a mounting bracket, perfect install on my DIY TV stand. Crutchfield got it to me in just a few days and i don't think it could have possibly been packed any better! Highly recommended if you have the need for such a device. Thanks Crutchfield for an overall excellent experience & very effective product.

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0 of 0 found this helpful

Old receiver connected to new subwoofer!

Ben from Selma, CA on 3/23/2018

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This product works. My subwoofer only has line in input and my receiver only has speaker out; this is the only way I found to get the subwoofer to work, and it sounds really good to my ears. My only complaint with this product is that it does not have a covering; the electrical components are completely exposed to dust etc, which makes it very awkward to mount. In the end, I used the foam sheeting it was packaged in and created a cocoon around the product; then I taped this to the top of the receiver. Not very elegant but it works. For not having a proper casing, the price could have been lower, but I couldn't find any other products on the market that do what this does. Overall I am happy with the purchase.

Pros: works great

Cons: -no enclosure; -bit pricey for exposed electrical components

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

0607-2569 from Lockbourne, OH on 3/20/2018

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With my ONKYO HTR-494 Dolby Atmos receiver I connected Harman Kardon Speakers. The Center speaker lacked clarity. I replaced my harman center speaker with BOSE GS Series II Cinemate speakers with the help of Russound ADP-1.2. Solved my problem as there is no pre-out in Onkyo 494. If you have no pre out on AVR this is the solution. Awesome Russound. I am planning to buy 2 more.

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Ken from Dallas, GA on 3/4/2018

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Great Product, not pretty but it works very well.

Pros:

Cons: None

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Chicago, IL on 1/21/2018

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turn ok but then my denon avr would protec mode

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0 of 3 found this helpful

Can't get rid of my friends and my neighbor.

David from Seattle, WA on 1/9/2018

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I'm not an electronic tech guy. Was looking for a long time for this solution and finally got it. Installed between my Onkyo Entertainment 7.2 and M-Audio BX8 for using as the front L & R. Guess what! It rocks. Pounding my ears and chest. Chip solution for upgrading from regular speakers to a Studio Monitors. Gosh... Never before could heir sounds and noises coming from movies didn't know are included. Now just need more to upgrade all surround speakers for monitors and I will be a part of the games and movies. The cool tiny thing makes wonders.

Pros: Works awesome.

Cons: Two days long to figure it out that I need to flip up all the way above the conductors all four black plastics like a switch. That's the way should insert the speaker wires firmly. (No estar bueno)! ?? Dummies like me we're need more instruction details, please.

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0 of 1 found this helpful

Quick and easy

Dave from Pennsylvania on 12/13/2017

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Worked great for conversion of my speaker level amp output to line level in for my home audio powered sub.

Pros: Ease of use

Cons: None

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2 of 2 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Orlando, FL on 11/2/2017

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Speaker side connector difficult to open for wire insert as is disconnect feature Othetwise, audio signal processing does its job I would recommend

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Salem, OR on 9/12/2017

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Had to connect speaker output of amp to line input. This device works great and easily.

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1 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Ft Lauderdale, FL on 7/30/2017

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The product is just awesome and received on time.

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0 of 0 found this helpful

Worked perfectly!

Jason from Spring, TX on 12/27/2016

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I am using this because my onkyo receiver does not have pre-amp outs, but I want to power my new Polk RTi A7 speakers with a stand alone power amp (Crown XLS 1502). Works great, was easy to connect and the sound is clean! I can't tell that there is any added noise in the signal due to adding this device. I am happy with the purchase and would highly recommend if you want to run an external amplifier, but your receiver doesn't have pre amp outputs.

Pros: Small and affordable

Cons: None

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3 of 3 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from New York, NY on 12/7/2016

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Great product for using powered speakers with a receiver.

Pros:

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

James from Duxbury, Ma on 12/6/2016

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Exactly what I needed to add an amp to power my outdoor speakers on my Sony receiver. I would of had to disable a pair of speakers to use the preamp output on zone 2 but by installing this everything is working together

Pros: Easy to install

Cons: Should be enclosed

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0 of 0 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Indianapolis, indiana on 8/29/2016

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Worked exactly as expected. It could use a simple cover to make it more attractive.

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0 of 0 found this helpful

Simple way to get sound to another room

rmjb from Trinidad and Tobago on 6/27/2016

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When my house was built I pre-wired for speakers in the living room, but did not consider speakers in the back porch. I installed speakers in the back porch last year and tried a couple wireless options to get sound outside with poor results. I also tried to pull wire all the way back to my receiver, but because of concrete construction was only able to get to the living room's speaker posts on the wall. This unit was a simple, straight forward way to connect to those speaker posts and get a line level signal. Once I had this I hooked up a simple small T-Amp and now I can drive the speakers in the back porch. This solution is working much better than either of the wireless solutions I tried; no extra load on the receiver, no delay between the rooms, sufficient power from the T-Amp and the ability to turn off the T-Amp when no one is outside. If you have a need for something like this, highly recommended.

Pros: Does exactly what it says

Cons: I wish it were enclosed. A little pricey compared to other options, but those are for car audio purposes and this one is from a home audio manufacturer, so it just works.

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3 of 3 found this helpful

Product meets exactly my needs

John D from Washington, DC on 6/10/2016

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I purchased this for a solution to send my Center Channel on my Denon AVR wirelessly via Bluetooth to my soundbar in my home theatre that doesn't accept speaker level inputs. I purchased a small enclosure for it for protection since its usually a vehicle under-dash install.

Pros: performs exactly the needed unique solution for signal transformation.

Cons: An option to buy it with an enclosure would make it perfect

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2 of 2 found this helpful

Product solved multiroom challenge, great tech support

B. Smith from salem, MA on 2/28/2016

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Was looking to solve multiroom, multi-amp challenge. Had tried feeding secondary amp with RCA backconverting high grade inwall speaker wire. Got signal but way too much noise. Initially tried car line to rca converters but no signal at all, prob impedance issue. Ordered Russound product and appeared to cause the dreaded hum from primary amp even if powering channel to Russound was off. Called Crutchfield tech support they went above and beyond to help troubleshoot prob (several calls). Long story short we solved a polarity issue in wall jacks followed by a ground loop issue (used PAC rca filter). Difficult challenge, all issues solved with the help of Tech support. Nice work

Pros: Can be used to feed secondary amp in home audio system where few options were available

Cons: Not much in terms of install trouble shooting. Be sure to be aware of polarity and ground loop

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2 of 2 found this helpful

Great product overall, dubious about the design

Alex P from new orleans, LA on 1/30/2016

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The device does exactly what it is supposed to. Brought my speaker output on my vintage pioneer receiver down to line level for input into a powered subwoofer. I only question the design. The circuit board and all components are exposed if left the way it is. Would be sturdier if encased in some sort of housing. Could "DIY" it but for the price, would be nice if it came that way out of the box.

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3 of 3 found this helpful

Works!

bvaldyke from Florida on 11/5/2015

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Simple, inexpensive, works as stated. If it's what you need, it will work.

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0 of 1 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter Reviews

JeffO from Birmingham, AL on 8/6/2015

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Works as advertised. I used three of these to provide signal to three power amps on my living room surround system (Receiver did not have audio preamp out). Would have given 5 stars if there were a cover for the unit, but I suppose they're intended to be mounted to an amp board in a vehicle. Work well.

Pros: Small and inconspicuous.

Cons: No cover... board will collect dust.

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4 of 4 found this helpful

Works for my needs

Kevin T from Alabama on 6/1/2015

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I purchased this device to run a pair of subwoofers from my Line Magnetic LM-518IA (integrated amplifier). The 518IA does not have any pre-outs to connect to a subwoofers and my subwoofers do not have speaker level inputs. I was able to use this device to convert the 518IA speakers outputs to line level inputs for the subwoofers without any noticeable issues. It works perfectly for my needs. Your mileage may vary.

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2 of 2 found this helpful

Russound ADP-1.2 Speaker-level to Line-level Adapter

Crutchfield customer from Louisiana on 3/16/2015

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I bought this product after discovering that the Russound Amp that I purchased could not be joined with another amp unless I converted speaker level to line level. After adding this product, everything works fine. I'm not sure why this product is so bare, but it works....

Pros: Works

Cons: I little pricey and bare

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0 of 1 found this helpful

Russound ADP

Crutchfield customer from Dallas Texas on 1/12/2015

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This little gadget saved the day.

Pros: Does everything it's supposed to

Cons: If it had a case it'd be better.

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0 of 0 found this helpful

Speaker to line level converter

Colin from Florence, Oregon on 11/12/2008

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This device takes amplifier speaker output levels and converts them to line levels for input to another amplifier, or any device requiring low level input. It works perfectly for me. I use it to provide surround sound signals to my Recoton transmitter which are picked by by a recieiver connected to self-powered rear speakers. The alternative would have been to crawl under the house to route speaker lines to the rear speakers. My wife said laying them across the floor was not an option.

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5 of 7 found this helpful

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<< >>

More details on the Russound ADP-1.2 Speaker-level to Line-level Adapter

Mark G.

Product Research

Features

Overview: The ADP-1.2 is an easy way to adapt a stereo speaker-level signal to line-level; this line-level signal can then feed an amplifier or other audio device. It can be used send the amplified output of a multi-room system to a more powerful amplifier, or to add a second amplifier to power more speakers. The input terminals are screwless and accept bare wire up to 14 gauge. The output is female RCA jacks (stereo). The maximum input power is 250 watts RMS per channel.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Need a line level input for multi-channel amplifier (for multi-room speakers). Connect the AV receiver L+R speaker outputs to the adapter and connect adapter line out to amplifier [ James  Aug 20, 2019 ]
A
I needed to connect an integrated amplifier to a power amp. The IA does not have a pre in/main out as it is vintage. Online forum recommended this part. I hope it works. [ Micah  Jun 07, 2019 ]
A
Needed to convert analog speaker level out from speakers "B" of the Denon AVR to a low-level analog RCA line into a Carver AVR to power speakers in a different room to allow control of the speaker volume separately as needed. [ Charles  Mar 22, 2019 ]
A
recommended by Ember [ Brad  Mar 11, 2019 ]
A
Needed this to add a amp to my Sony receiver [ Gary  Feb 14, 2019 ]
A
I have been looking for a way to convert my center channel speaker output (Pioneer Receiver) to line level to connect to a blue tooth transmitter to wirelessly attach hearing aids/headphones/blue tooth speakers. Mac says this should do the trick. Thanks much! [ STEPHEN M.  Jan 29, 2019 ]
A
This Line -Level adapter is to connect a pair of subs to an Integrated Amp with no outputs. I just ordered it and hope this is the solution. The Crutchfield team came up with this solution. [ Frank  Oct 13, 2018 ]
A
It best described what I'm looking for. [ Andy dela Calzada  Apr 05, 2018 ]
A
Adding a powered subwoofer to my system and existing amp doesn't have line-level outputs. [ Raymond  Mar 28, 2018 ]
A
To convert speaker line out from onkyo to bose gs series speakers. [ 0607-2569  Mar 06, 2018 ]
A
I have a home audio receiver that has only speaker-level outputs. I want to use it with a new powered subwoofer having only line level inputs. This adapter will convert the signal so I can connect the receiver and subwoofer correctly. [ William  Feb 10, 2018 ]
A
I wanted to add a 2channel amp to my avr which does not have preamp outputs [ michael  Dec 23, 2017 ]
A
Using to adapted home stereo amp speaker level out to line level in for subwoofer [ David  Nov 29, 2017 ]
A
An inexpensive home-audio solution to interface a stereo-level receiver with a line-level home speaker system. Unlike car audio adapters, this product will handle the power a home stereo receiver will generate. [ Alan  Nov 13, 2017 ]
A
I just got one of these to connect my old organ speaker output direct to the PA... IT WORKED! [ WAYNE  Oct 25, 2017 ]
A
Your description was clear and complete Opinions presented by users provided a vote of confidence [ Carl  Oct 20, 2017 ]
A
Older Integrated Amp-only speaker output, needed line level for active subwoofer. [ Gerry  Oct 18, 2017 ]
A
It was going to connect directly to Russound equipment. [ Daniel R.  Apr 29, 2017 ]
A
Levi suggested it [ Brenda  Apr 15, 2017 ]
A
I need to hook up my ancient amp which has no dedicated subwoofer out to a modern subwoofer which only take RCA input. [ ming  Dec 23, 2016 ]
A
Connecting an older receiver to a wireless transmitter system requires this adapter so the volume can be controlled through the receiver. [ Mark  Dec 10, 2016 ]
A
Need to conver audio signal from speaker to line out. [ Rudy  Oct 28, 2016 ]
A
I want to use a powered subwoofer with a vintage Kenwood receiver and not use speaker wires. Crutchfield has the adapter for this application. [ CHARLES  Oct 11, 2016 ]
A
With the help from Crutchfield chat, Larry pointed in the right direction....thank you and thank Larry. [ John  Sep 23, 2016 ]
A
The Crutchfield advisor I worked with suggested that this item would work a lot better than the car audio line-level adapter I'd been using (D'oh!). He was right! Works perfectly. [ Bryan  Aug 30, 2016 ]
A
Living room speakers were pre-wired, but I needed to jump off from there to ceiling speakers in the back porch. I'll use these to tap off the living room speaker terminals and run line level to the ceiling speakers amp. [ Richard  May 31, 2016 ]
A
Needed to pad down the front 3 speaker levels to line level outputs for use with 3 powered speakers (front array) used in a home theater system. [ THOMAS  Dec 26, 2015 ]
SHOW MORESHOW LESS

17 questions already asked

Q
what is the frequency response of this device?
[ casey  Aug 07, 2019 ]
1 answer
A
I don't know the exact frequency response of the device(it's also not on the manufacturer's website) but I was using it for about a year to convert a speaker level input to line level for two Dolby atmos channels. My receiver had line outputs for all channels but only had speaker level outputs for the atmos channels and I was running seperate amps for all channels. It worked with no issues and I was previously powering the two atmos channels with the receiver. I did notice that after running the Yamaha ypao(yamaha's version of a parametric equalizer) after I installed the russound convertor that the corrected frequency response curve did not change at all. So even though the manufacturer doesn't list the frequency response I believe it is flat from 20 hertz to 20,000 hertz, or close enough to flat that most ears could never tell the difference. Also it can handle 250 watts rms per channel. I hope this helps in your quest for great sound!
[ Kyle  Aug 08, 2019 ]
Q
Hi, does it work with crown XLS 1502 Class D Amp?
[ Sergio Enrique  Jul 08, 2019 ]
2 answers
A
It does works. It's a great product.
[ David  Jul 19, 2019 ]
A
Russound adapter is rated for 250 watts per channel. Your AMP exceeds this rating by 12.5 watts per channel. So, unfortunately no.
[ Patrick  Jul 19, 2019 ]
Q
Can I use this to convert second speaker out on a Fender guitar amp to line level to go into recording interface?
[ Mike  May 23, 2019 ]
3 answers
A
This Crutchfield Line-Level Adapter is well built and likely to work to give you an independent second speaker output. The Crutchfield product is a basic L-Pad attenuator circuit. I personally feel a T-Pad attenuator circuit is superior to an L-Pad circuit, particularly when your input impedance is different from your output impedance. I wish Crutchfield made an adapter using T-Pad circuitry. The Carver AVR product from the late 1980's employed the T-pad circuit, using three balanced resisters instead of two. Unfortunately, this product has not been available for over 10-15 years. I recently built my own T-Pad attenuator circuit, patterned after the Carver. It works beautifully with undetectable distortion. You can find these basic circuits on-line. I recommend you try out the Cruchfield (low cost) product. Should you not get it to work satisfactory, you can explore the T-Pad option. D. Parcel
[ Donald  Jun 11, 2019 ]
A
Possibly, but the problem I see is the wire entry points are to get their signal from the speaker out terminals of a power amp and the RCA jacks on the device are on to convert to the signal back to line level to go back into a power amp. I'm guessing the jacks on the guitar are meant to go into an amplifier as line level and are already at the line level. I'm using the device to take the speaker wire from the power amp and convert it back to line level to go into a subwoofer that has line level RCA inputs. My main power amp does not have subwoofer outputs. Sounds like you could just put the RCA from the guitar directly into the auxiliary RCA input of your stereo preamp and record directly from the guitar.
[ Thomas O.  Jun 07, 2019 ]
A
I had a home theater in a box receiver/speaker system with a passive subwoofer driven by speaker level outputs from the receiver. I wanted to substitute a powered subwoofer so I bought this device to convert the speaker level output to line level. The device did the job. Since it is a bare circuit board, I mounted it in a plastic box for protection. One footnote, after installing the device, the speaker worked fine but there was some ground loop isolation hum. I purchased a ground loop isolation transformer and that immediately solved the problem. I do not know if this was related to installing the line-level adapter. I cannot state for sure that this adapter will work for your desired application, but given my experience, I think there is a good likelihood that it will work.
[ William  Jun 07, 2019 ]
Q
For my tube integrated amp, should I be connecting this to the same 8ohm speaker output tap as my speakers? Any risk of damaging the amp here?
[ freesole  Jan 07, 2019 ]
3 answers
A
I have not had any problems with it at all. It works great. Steve Z
[ Steve  Jan 14, 2019 ]
A
I've done this with 3 integrated tube amps with no problems.
[ Daniel  Jan 14, 2019 ]
A
That is the intended use for this device. That's how I have mine hooked up and no issues so far it's been a year.
[ Fred  Jan 12, 2019 ]
Q
Can I split my speaker signal and drive both a set of speakers, and this, to create a separate line out?
[ Ramulose  Oct 20, 2018 ]
2 answers
A
I use this item to run 2 powered subwoofers as my integrated amp has no line out.
[ Daniel  Oct 20, 2018 ]
A
I don't think so. These simulate a preamp out. I am using these for my powered subwoofer. You really need an integrated amplifier to power another set of speakers.
[ Richard  Oct 20, 2018 ]
Q
I have a stereo receiver that is expecting 8 ohm speakers. Does this match the 8 ohm resistance on the speaker wires to keep my amp from being damaged?
[ Ramulose  Oct 20, 2018 ]
5 answers
A
I have this device connected to 8ohm biamplified studio speakers and it works just fine! It's connected from a home theater receiver's speaker output and out to a pair of studio speakers.
[ Eitan  Oct 25, 2018 ]
A
My application may be a little different but it works great for me. I have 8 ohm speakers that were very poor so I wanted to take the signal going to the 8 ohm speakers and convert to line level to go into my PA head. It works great. No problems.
[ Amelia  Oct 25, 2018 ]
A
That is how I am using it and it's working fine for about a year or so now.
[ Fred  Oct 25, 2018 ]
A
This presents a relatively high impedance on the speaker-level input side. If it were the only thing connected to the amp output it would be like running the amp with no speakers attached. Most amps can handle that. Device works well to run one amp off the speaker-level output of another amp, like when daisy-chaining amps in a whole-house audio setup.
[ Robert  Oct 25, 2018 ]
A
Yes and you can run it with 4 ohm speakers as well. Your running an external amplifier to your reciever
[ Tracy  Oct 25, 2018 ]
Q
i have wireless headphones that use headphone output as input to wireless transmitter. My amp mutes speakers when using headphone output. I have audio out but it is really line out so I am looking for something to take line out in and output headphone output. Any suggestioins?
[ Darwin  Feb 15, 2018 ]
2 answers
A
Sorry, just re read question. You already have guitar hooked up to amplifier that has speaker level output. In that case the device will convert back to line level RCA that can be plugged into a preamp. That is essentially what I'm doing with my subwoofer that has its own amplifier. Sort of a back an forth between speaker level output and line level back to speaker output through the subwoofer's amplifier section.
[ Thomas O.  Jun 07, 2019 ]
A
If I understand correctly you are looking to change a line output to a headphone output. This is not the product you are looking for. This device changes speaker outputs into line outputs. The Cruchfield advisors should be able to assist you with finding the correct product you are looking for.
[ Carl  Mar 13, 2018 ]
Q
Can you use a pair of headphones on the line out rca with a 3.5 mm adapter?
[ Kyle1985  Oct 10, 2017 ]
2 answers
A
RCA outputs are not designed to drive headphones which are speakers. They are line level output signals intended for devices that receive line level input signals or vice versa.
[ Amelia  Oct 25, 2018 ]
A
That's a rather unusual use case but sure; with a male RCA to female minijack (3.5mm) adapter you can connect a pair of headphones. Ideally, the receiver/amplifier would have it's own headphone output so you wouldn't have to use a line adapter.
[ Ryan  Oct 18, 2017 ]  Staff
Q
Can you parallel the output to send signal to two separate inputs or amplifiers?
[ Gav-O  Aug 08, 2017 ]
2 answers
A
If you want stereo, it would be best to go into a mixer and then send the signal out via Aux sends to as many inputs as there are Aux's.
[ Amelia  Oct 25, 2018 ]
A
There are two rca outputs
[ JASON  Aug 08, 2017 ]
Q
If I increase the volume on the source amplifier will the volume increase for the speakers hooked up to the dedicated Amplifier? To be more explicit if I have an AV Reciver and hook up the B channel speakers to this device then run RCA cables from this device to a dedicated stereo amplifier and then hook up speakers to the dedicated amplifier, when I turn up the volume on the AV receiver will the volume of sound coming out the speakers hooked up to the dedicated amp increase?
[ Nathan Roberts  Mar 31, 2017 ]
3 answers
A
If the B channel speakers are controlled by the source AV receiver volume control, which you can check directly by plugging in some speakers,then this will work. I'm almost certain that it will work, but it is worth testing.
[ Christopher J  Apr 02, 2017 ]
A
Yep that is how it works. I am going out from my receiver's surround L and R to an Evolved Sonic Transmitter/Receiver and when I kick up the volume on the receiver the volume on the surrounds increases as it should.
[ Chuck818  Apr 01, 2017 ]
A
yes
[ Craig  Apr 01, 2017 ]
Q
What is the voltage coming out of the adapter. Will I have to crank the gain up real high on the external amplifier. Would I be better off buying receiver with pre outs?
[ CHRISTOPHER  Jan 11, 2017 ]
2 answers
A
This unit works just fine outputting a standard line level signal. The gain on the external amp would depend on the source. Since the adapter is putting out the standard line level signal, for the consumer electronics industry, that is 0.316Volts (-10dBv) In the professional audio world that would be 1.23Volts or +4dbu.
[ Alan Copeland  Jan 12, 2017 ]
A
I sound fine. in my experience I had a lot interference noise. I connected my receiver to a vintage amplifier to play my turntable. So I think it depends what you need it for. I ended up buying a AV receiver with preout and phono input.
[ Carlos  Jan 12, 2017 ]
Q
Can I use this to connect a center channel speaker line out to a powered speaker with 2 rca inputs?
[ P  Dec 30, 2016 ]
3 answers
A
Yes you can, and once you set an appropriate level on the powered speaker, the volume controls on the receiver will also affect the centre channel.
[ Richard  Dec 31, 2016 ]
A
The Russound ADP-1.2 is intended to convert an amplifier's speaker level outputs to industry standard "line/pre-amp level". If the output you describe as "center channel speaker line out" is indeed an industry standard "line level output", then no, the ADP-1.2 will not work for that purpose. If, on the other hand, you are actually describing an amplified center channel speaker level output, the ADP-1.2 will get your job done.
[ STEVE  Dec 30, 2016 ]
A
This takes regular speaker outputs and makes it a pre amp out put so you can run it to an active speaker.
[ JASON  Dec 30, 2016 ]
Q
Can I use this to connect my integrated amp ( Marantz PM6006 ) to act as a pre-amp to a power amp ( Marantz MM7025 )? If so, how do I go about it using this product?
[ Faisal  Dec 17, 2016 ]
5 answers
A
If I understand your question, yes. I don't have preamp out terminals on my integrated amp, so I run speaker wire from my front channel speaker connectors to this. Then use RCA cables to run from this to my power amp. Works great!
[ AARON  Dec 17, 2016 ]
A
NO, it will take speaker level output and turn it into line level for mixing or cd/tape deck input.
[ ANTHONY  Dec 17, 2016 ]
A
You will connect two chanels that would typically go to speakers directly. The other side of this board is a reduced RCA signal that you will connect to your external amp. Be careful as this board has a max wattage that can be applied to it from the integrated amp. This amp will also control the volume to the second.
[ Dustin  Dec 17, 2016 ]
A
I couldnt get it to work on any of my Marantz amps, tried to use bluetooth, returned item
[ DAVID  Dec 17, 2016 ]
A
Bought this adapter for totally different reason. I have older model only integrated amp with no subwoofer input/output connection. I wanted to hook up Martin Logan sub which had typical sub connection Or ex jacks. The int amp had nether option. So I attempted to use speaker wire from int amp to one end of adapter and ex jacks from sub to other end of adapter,, did not work. My sub sits quiet. Will b buying better and newer Int amp (luxman) and pass currrent amp to my son. If anybody can offer advice on how to use sub currently,, I am all ears
[ James  Dec 17, 2016 ]
Q
The amplifier I am using only has one LR speaker wire output. I am wanting to use my subwoofer that only has line levels in. Is it still possible to use this to send signal to my subwoofer and still power my speakers from the single output?
[ Austin  Oct 24, 2016 ]
2 answers
A
If I understand correctly, you wish to run your speakers and this adapter from a single pair of stereo-speaker outputs, that is, you don't have a speaker A/speaker B/both switch and A/B speaker outlets. I recommend consulting with the manufacturer of your amplifier. This device should not draw a lot of current, so it might work, but it would be a shame to destroy your amplifier.
[ Christopher J  Oct 28, 2016 ]
A
Yes, this will be in parallel with the speakers and send a signal to the sub amp. This has a left and right in and provides a left and right out with RCA. If you only have one in, use a RCA Y to go to the amp or jump the line inputs on the board together (+ to + and - to -).
[ Dustin  Oct 24, 2016 ]
Q
My receiver only has a line-level subwoofer output and my home has in-wall subwoofers (2) with only speaker wires available. Is this device appropriate to go from line-level from the amp to the speaker wires of the subs?
[ Dan  Feb 24, 2016 ]
5 answers
A
Wrong Direction - product is an adapter for "speaker-level to line-level"
[ Brad  Mar 07, 2016 ]
A
No I don't think so. This device is for reducing speaker output signal down to line level as to not fry your subwoofers power supply. If you're already at line level output from the receiver then this is unnecessary
[ Alexander  Feb 25, 2016 ]
A
CAN'T help, the produft didn't work for me, returned
[ DAVID  Feb 25, 2016 ]
A
In short, no. This device is used when trying to acquire a line level (pre-amp) signal from a device that only has a high level (speaker;post-amp) output. Your receiver has a line level (pre-amp) output which needs to feed an amplifier which will in turn power (drive) your in-wall subwoofers. Most home audio receivers are designed to be accompanied by a powered sub-woofer. That is why your receiver has a line level output. Depending on what kind of low end response (bass) you want a powered sub-woofer will most likely be the most ecinomical option.
[ Michael  Feb 25, 2016 ]
A
sorry i don't know as i used it to convert speaker wire on my amp to line level inputs on my sub
[ mike  Feb 25, 2016 ]
Q
Why is this $40? It only consists of 4 resistors and a few terminals.
[ Trey  Feb 03, 2016 ]
6 answers
A
Tried it and did not work in my situation,,, never used it
[ James  Feb 05, 2016 ]
A
I didn't have any of the parts on hand, so I started to order them on line.  By the time I got done with the 1/2 W 5% resistors, good-quality connectors, and a box to mount them in plus shipping, it would have cost less than $39.99, but it cost enough that I decided it wasn't worth the time to put it all together myself.  If you have the components on hand, by all means make it, but you'll save time and get a very well-build item if you order it here.
[ Christopher J  Feb 04, 2016 ]
A
It is well worth the price. Solved a very hard to find product. Most other similar products I found were only used in auto speakers that would not stand up to whole house speaker systems. They melted down.
[ ROBERT  Feb 04, 2016 ]
A
It was worth it to me because it solved the problem I had of hooking wireless headphones into my home theatre setup. My wife is happy because she can have headphones while the rest of us have surround sound. In my experience a happy wife is well worth $40. Your mileage may differ. Sure it's probably a high-margin product. So buy the parts and build one yourself.
[ Peter  Feb 03, 2016 ]
A
*works great
[ AARON  Feb 03, 2016 ]
A
It does seem a bit steep, but I bought one and it would great, so I'm happy.
[ AARON  Feb 03, 2016 ]
Q
Could this be used with an amplified signal from an OEM car audio system?
[ Eric D.  Dec 31, 2014 ]
4 answers
A
Yes sir it can be. I use one in my car and my home audio system. Buy this instead of those cheap ones. You will not lose any sound quality with these. Very good product. Highly recommended.
[ CHRISTOPHER  Jan 09, 2015 ]
A
This is for a home amplifier. Chat with the techs at Crutchfield. They have ones specifically designed for car audio systems.
[ David  Jan 04, 2015 ]
A
It's just a series of resistors, it will work with any amplified signal regardless of it being car audio, home audio or pro audio.
[ ROBERT E  Jan 03, 2015 ]
A
I would think so that's what I'm doing with my Lexus LX 470. I bought this one because it's higher power my old one actually burnt up
[ Robert  Jan 03, 2015 ]
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