Name: Russound ADP-1.2 Speaker-level to Line-level Adapter
Brand: Russound
SKU: 543ADP12
Price: 39.99 USD
Availability: InStock
Rating: 4.5 (38 reviews)

OVERVIEW

Written by Crutchfield's Tara W.

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:

Russound ADP-1.2 Speaker-level to Line-level Adapter owner's manual

Speaker-level to Line-level interface
Instruction manual

Featured review

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.

Christian from Mesa, AZ

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Customer Q&A

Why is this $40? It only consists of 4 resistors and a few terminals.

Tried it and did not work in my situation,,, never used it

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REVIEWS

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

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DETAILS

Researched by Crutchfield's Mark G.

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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.

ACCESSORIES

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Q&A

Q

Crutchfield asked: Why did you buy this?

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 ]

recommended by Ember [ Brad Mar 11, 2019 ]

Needed this to add a amp to my Sony receiver [ Gary Feb 14, 2019 ]

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 ]

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 ]

It best described what I'm looking for. [ Andy dela Calzada Apr 05, 2018 ]

Adding a powered subwoofer to my system and existing amp doesn't have line-level outputs. [ Raymond Mar 28, 2018 ]

To convert speaker line out from onkyo to bose gs series speakers. [ 0607-2569 Mar 06, 2018 ]

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 ]

I wanted to add a 2channel amp to my avr which does not have preamp outputs [ michael Dec 23, 2017 ]

Using to adapted home stereo amp speaker level out to line level in for subwoofer [ David Nov 29, 2017 ]

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 ]

I just got one of these to connect my old organ speaker output direct to the PA... IT WORKED! [ WAYNE Oct 25, 2017 ]

Your description was clear and complete Opinions presented by users provided a vote of confidence [ Carl Oct 20, 2017 ]

Older Integrated Amp-only speaker output, needed line level for active subwoofer. [ Gerry Oct 18, 2017 ]

It was going to connect directly to Russound equipment. [ Daniel R. Apr 29, 2017 ]

Levi suggested it [ Brenda Apr 15, 2017 ]

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 ]

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 ]

Need to conver audio signal from speaker to line out. [ Rudy Oct 28, 2016 ]

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 ]

With the help from Crutchfield chat, Larry pointed in the right direction....thank you and thank Larry. [ John Sep 23, 2016 ]

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 ]

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 ]

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 ]

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14 questions already asked

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

I have not had any problems with it at all. It works great. Steve Z

[ Steve Jan 14, 2019 ]

I've done this with 3 integrated tube amps with no problems.

[ Daniel Jan 14, 2019 ]

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 ]

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

I use this item to run 2 powered subwoofers as my integrated amp has no line out.

[ Daniel Oct 20, 2018 ]

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 ]

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

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 ]

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 ]

That is how I am using it and it's working fine for about a year or so now.

[ Fred Oct 25, 2018 ]

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 ]

Yes and you can run it with 4 ohm speakers as well. Your running an external amplifier to your reciever

[ Tracy Oct 25, 2018 ]

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 ]

1 answer

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 ]

Can you use a pair of headphones on the line out rca with a 3.5 mm adapter?

[ Kyle1985 Oct 10, 2017 ]

2 answers

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 ]

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

Can you parallel the output to send signal to two separate inputs or amplifiers?

[ Gav-O Aug 08, 2017 ]

2 answers

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 ]

There are two rca outputs

[ JASON Aug 08, 2017 ]

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

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 Apr 02, 2017 ]

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 ]

yes

[ Craig Apr 01, 2017 ]

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

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 ]

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 ]

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

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 ]

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 ]

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 ]

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

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 ]

NO, it will take speaker level output and turn it into line level for mixing or cd/tape deck input.

[ ANTHONY Dec 17, 2016 ]

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 ]

I couldnt get it to work on any of my Marantz amps, tried to use bluetooth, returned item

[ DAVID Dec 17, 2016 ]

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 ]

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

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 Oct 28, 2016 ]

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 ]

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

Wrong Direction - product is an adapter for "speaker-level to line-level"

[ Brad Mar 07, 2016 ]

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 ]

CAN'T help, the produft didn't work for me, returned

[ DAVID Feb 25, 2016 ]

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 ]

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 ]

Why is this $40? It only consists of 4 resistors and a few terminals.

[ Trey Feb 03, 2016 ]

6 answers

Tried it and did not work in my situation,,, never used it

[ James Feb 05, 2016 ]

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 Feb 04, 2016 ]

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 ]

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 ]

*works great

[ AARON Feb 03, 2016 ]

It does seem a bit steep, but I bought one and it would great, so I'm happy.

[ AARON Feb 03, 2016 ]

Could this be used with an amplified signal from an OEM car audio system?

[ Eric D. Dec 31, 2014 ]

4 answers

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 ]

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 ]

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 ]

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

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

Product highlights:

What's in the box:

Featured review

Customer Q&A

12 reasons to shop with us

Customer reviews

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

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

Product Research

Features

Customer Q&A

Q Crutchfield asked: Why did you buy this?

14 questions already asked

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Crutchfield asked: Why did you buy this?