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Russound P75

Stereo dual-source power amplifier

44 Reviews | 13 questions - 22 answers

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Item # 543P75

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Expected: 3/12/2018 Reserve risk-free

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Was: $199.99

Price Break: -$70.00

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Overview

Our take on the Russound P75

Today's networked audio players, music streaming services, and remote control apps for smartphones and tablets have radically changed the way we experience music at home. You still need good clean power to drive your speakers, but you probably don't need a traditional receiver with a lot of buttons to push. Maybe all you really need is a smartly automated amp like the Russound P75.

Power for speakers and automatic source switching

Today's networked audio players, music streaming services, and remote control apps for smartphones and tablets have radically changed the way we experience music at home. You still need good clean power to drive your speakers, but you probably don't need a traditional receiver with a lot of buttons to push. Maybe all you really need is a smartly automated amp like the Russound P75.

Connect one music component as your primary source, and it will activate the amplifier when it sends out an audio signal. The amplifier returns to standby mode when the audio signal ceases. Your secondary audio source takes over automatically when there's no signal coming from the primary source. There's no need to manually switch inputs.

Say you have a network audio player, such as a Sonos Connect, connected to the primary input. Any time you fire up the Connect, your P75 turns itself on and feeds the music to your speakers. Because the P75 has two sets of speaker outputs, you could be listening in the den, the kitchen or wherever you chose to install your speakers. Because you control the Sonos Connect with a wireless controller or smartphone app, it doesn't matter where you put it. The Connect and the P75 could be out of sight in a utility closet or cabinet.

You might connect an old-school music source like a CD player to the secondary input, and enjoy it whenever you're not using your Sonos Connect. When a CD stops playing, the P75 will automatically switch to standby mode.

Product Highlights:

  • 60 watts per channel into 8 ohms or 75 watts into 4 ohms
  • 160 watts when bridged into a single 8-ohm load
  • volume and balance controls
  • A/B speaker switching
  • primary and secondary audio line inputs with automatic source switching
  • loop output on the secondary line input passes that audio signal on to another amp, giving you flexibility in designing a multi-room system
  • 16-9/16"W x 2-3/4"H x 9-5/16"D
  • 11.5 lbs.
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • 2-Channel/2-Source amplifier
  • Installation Manual

It does everything i need it to do. I have only had it a couple of weeks and it is excellent so far. I just need an amp to use with Apple Airplay to run speakers in my garage and patio. Works great.

Anonymous, Tyler, TX

Reviews

Russound P75 Reviews

Average Customer Review(s):

(44 Reviews)

Russound P75

Anonymous from Tyler, TX on 2/17/2018

Crutchfield Customer Review (What's this?)

It does everything i need it to do. I have only had it a couple of weeks and it is excellent so far. I just need an amp to use with Apple Airplay to run speakers in my garage and patio. Works great.

Pros:

Cons:

Love the sound but not the clicking

Anonymous from Virginia on 1/24/2018

Crutchfield Customer Review (What's this?)

The music sounds great, but the amp clicks between songs or when a song gets quiet. Turning off the Auto-On setting didn't affect the issue. Not sure if I had a bad unit or it's a general problem with this model, but I decided to exchange it for the AudioSource AMP100VS, which doesn't have the problem.

Pros: Sounds great.

Cons: Clicks between songs or when sound volume is low.

Russound P75

Anonymous from Dallas, TX on 1/22/2018

Crutchfield Customer Review (What's this?)

Russound makes excellent products and I had a x75 prior to this purchase. Both the Russound and Crutchfield personnel were helpful with this purchase.

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Russound P75

Anonymous from Coolidge, AZ on 1/1/2018

Crutchfield Customer Review (What's this?)

Easy to set up and use. If it last for long enough I'll be totally happy. Fits in with other components and feels strong. It could be a 5star item.

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Russound P75

Anonymous from San Rafael, CA on 12/12/2017

Crutchfield Customer Review (What's this?)

No complaints, just a simple, solid power amplifier. It's heavy and powers about 10 speakers in a dental office.

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Russound P75

Anonymous from Beaumont, TX on 11/26/2017

Crutchfield Customer Review (What's this?)

Great price and great sound for my outdoor speaker

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A Good Amp for My Small Studio

Mike from North GA on 11/3/2017

Crutchfield Customer Review (What's this?)

Pleased with this amp in my small studio. I needed to power a pair of passive speakers that route through a switching system that lets me switch between sources and speakers. I like the banana plug outputs and the purchase included 2 pair of plugs. Plenty of power for my limited use but you may want to pay a little more and get the next power grade up if you have a lot of space to cover.

Pros: A/B speaker switching, banana type outputs. Reasonable price.

Cons:

Crisp sound, some additional features needed.

Soroush from Sacramento, CA on 10/29/2017

Crutchfield Customer Review (What's this?)

Incredibly simple to use but could use a couple more minor features. I do wish that you could control speaker A and speaker B volumes independently. One pair is in one room and that same volume is too high for the second room. Sound quality is great. We have all of our inputs running into the TV, Chromecast and Cable and from there we have the analog audio coming to the amplifier. So whatever is playing on the TV is what you hear. If there was an optical input I would have preferred to have a digital signal from the TV.

Pros: Minimal buttons, turns on automatically, theoretically has pass through to sub woofer, A or B speakers can be turned on independently or at the same time.

Cons: No optical input, only RCA. Not sure why RCA is still a standard. Speaker A and speaker B should have independent volume control. A remote would have been nice. These are being used in a pool house / gym so it's not convenient when you have to get off of a machine to adjust the volume.

Good amp, not for subwoofer because no crossover option

James from Folsom, CA on 9/25/2017

Crutchfield Customer Review (What's this?)

This product was easy to install, good instructions, and quality is what you should expect. My problem is that I bought this amp to power a subwoofer on a bridged mono output. There is no built in crossover so all the high end audio bleeds out of my subwoofer. Don't buy it for a subwoofer unless you have another way to cut the high frequencies.

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Great purchase

Dan from Albany, GA on 9/18/2017

Crutchfield Customer Review (What's this?)

Powers multiple zones in my home. I bought 2 for separate zones in my house. Easy to use, setup, and Control.

Pros: Ease of use, easy to control.

Cons:

Russound P75

Anonymous from Pleasanton, CA on 9/11/2017

Crutchfield Customer Review (What's this?)

Works great- It powers my six small polk outdoor speakers. easy hook up and i like the plug in the back for my accessories.

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Russound P75

Anonymous from Anaheim, CA on 8/7/2017

Crutchfield Customer Review (What's this?)

So far so good. I am using this to power a Klipsch outdoor subwoofer that previously didn't perform well. Now I am getting the bass I expected and very happy with the price of this amp.

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Russound P75

Craig from Eagle, CO on 8/1/2017

Crutchfield Customer Review (What's this?)

A very adequate amplifier with simple hook up and simple use. Certainly enough power for a pair or in my case two pair of speakers. A very economical solution for those looking for a means to power additional speakers.

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Great for ceiling speakers and zoned systems

Howie from Jackson, MI on 7/23/2017

Crutchfield Customer Review (What's this?)

Great product. Perfect for ceiling speakers in separate zones. Bought 2 for Yamaha tuner zones 2 and 3. Just perfect

Pros: Easy set up Perfect for zoned systems Adjustable

Cons: None

Russound P75

Randal from St Louis, MO on 6/20/2017

Crutchfield Customer Review (What's this?)

This is a very good amp that produces great sound for a large room.

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Russound P75

Spencer from West Orange, NJ on 6/5/2017

Crutchfield Customer Review (What's this?)

Very simple, cost effective amp to run different zones in my home. Have had no issues with the unit, and simple set-up instructions. Will purchase another when I add my 3rd zone shortly

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Russound P75

Anonymous from San Bernardino, CA on 5/29/2017

Crutchfield Customer Review (What's this?)

I actually like the performance of this sub amp basic controls but work amazing! I use this amp to power two 4 ohm subs woofers from my car on my home system. love the addition#!! You will love the results!

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Russound P75

Anonymous from Los Angeles, CA on 5/16/2017

Crutchfield Customer Review (What's this?)

Works as described. Easy setup!

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Russound P75

Bob from Macon, GA on 3/5/2017

Crutchfield Customer Review (What's this?)

Perfect small amp to power zone 2 speakers

Pros: Simple to connect and use

Cons:

Works fine

John from Hendersonville, NC on 2/24/2017

Crutchfield Customer Review (What's this?)

Purchased this amp to replace a failed left channel in one of my Russound MCA-C5 zones. Cheaper solution than shipping the MCA back for out of warranty service. Works fine out of the box, but you may need to shunt source 1 if nothing else is connected to it so it doesn't act as an antenna when source 2 is not powered.

Pros: Inexpensive amp with enough features to make it fit a lot of applications needing low-medium power for relatively efficient speakers

Cons: Power/standby light is way too bright.

Russound P75

Anonymous from Sahuarita, AZ on 1/24/2017

Crutchfield Customer Review (What's this?)

Great sound

Pros:

Cons:

As lousy as it gets!

Murali from chicago, IL on 9/10/2016

Crutchfield Customer Review (What's this?)

Excellent packaging. No blemishes on the outside. Decent reviews. What do I expect when I connect it to a pair of entry level atmos speakers? A decent sound right? It's quite the opposite. At baseline there is a constant clicking noise from the speakers... it's not even a static, a random, constant clicking noise! the amplification level is not good enough, even after adding full gain with the pre-amp. If you think it's a complete let down, it's even more surprising that the amp makes an on/off kind of ticking noise which I presume is a step up/down process of the transformer. To add insult to the injury, you have the blinding red light in front. Crutchfield should stop selling this product until Russound makes necessary amends...

Pros: none

Cons: noisy. poor amplification. bright red light.

amp.

ch from Waynesboro, VA on 7/17/2016

it worked great but wasnt enough to power a sub

Pros: bridgeable , auto off.

Cons: only 8 ohm stable in bridge mode.

Russound P75

Rey from Florida on 7/8/2016

Crutchfield Customer Review (What's this?)

I'm very happy with amplifier

Pros: Good customer service and technical support

Cons: None

Works Great

ronmax from Clarskburg on 6/15/2016

Crutchfield Customer Review (What's this?)

i got 2 of those running my in ceiling speaker with a sub and chromcast audio, perfect setup

Pros: works great, auto on/off

Cons: none

Excelent product combined with world class customer service!

Jay P. from Alhambra, CA on 5/24/2016

Crutchfield Customer Review (What's this?)

The amp that we were using for the TV in our customer went out and I was looking for a replacement on line. I was looking to replace it with the same one but unfortunately it is no longer made so I went on line to Crutchfield and asked for a recommendation. Within 1/2 hour my inquiry was responded to with a recommendation for a nice amp. I responded telling the advisor that it was out of my budget so could he recommed me something in a less expensive price range. It was past 5:00pm in CA so I was not expecting a reply till the next day. BUT in less than 45 minutes the advisor came back with another recommendation BELOW my budget. SOLD! I paid for it and it was shipped; when it arrived took me 10 minutes to set up and my customer lounge had TV audio again. World Class customer service and excellent products, Thanks Crutchfield!!

Pros: The Amp does what i expected it to do and the set up was done in 10 minutes.

Cons: I spent a few hours shopping on the internet (on someone else's website) and that was a waste of time till I remembered Crutchfield. I should have gone to you guys first!

It's primary purpose

Richard from Wilmington, NC on 5/18/2016

Crutchfield Customer Review (What's this?)

The product satisfies my basic needs, enabling me to independently listen to two additional speaker sets (one in the sunroom, the second in a screened in porch. Setup was fairly easy and the unit produces satisfactory quality.

Pros: Easy setup, expands current system.

Cons: No remote control capability, can only adjust volume manually. The unit is not in the vicinity of the speakers it powers.

Russound P75 Amplifier

KW from Sunnyvale, CA on 4/26/2016

Crutchfield Customer Review (What's this?)

Easy to hook up as a 2nd amplifier. More than enough power for outdoor speakers.

Pros:

Cons:

Russound P75

Matt from oklahoma city, OK on 1/31/2016

Crutchfield Customer Review (What's this?)

It does what's advertised however there is a constant clicking noise. I don't know if that's normal or if I got a bad one?

Pros: Price

Cons: Clicking noise

Crutchfield response on 2/1/2016 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

seems fine

david from Utah on 1/17/2016

Crutchfield Customer Review (What's this?)

Seems fine. Plenty of power for my need.

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P75

Mike from Washington on 1/17/2016

Maybe me, maybe the product, but did not function correctly. Traded it out for the D250 and problems resolved.

Pros: Did not have a chance to use it

Cons: Did not function. Could be me, but D250 amp seemed to function fine with same set ups. Need to do more investigative work to confirm.

P75/

jonetek from Big Island of Hawaii on 1/4/2016

Crutchfield Customer Review (What's this?)

under powered for the two speakers it was connected to and has Speaker B outputs that I can't imagine using . it would only draw more current and lower the output more.

Pros: price and ease of set up. volume on front. auto setting

Cons: power and punch on the low frequency not there. I thought I hooked them up out of phase it was so bad.

Good amp... Great price

Julian from California on 11/2/2015

Crutchfield Customer Review (What's this?)

Added this amp to my home outdoor Bose speaker system. Was looking for a cost effective amp to add to my system and this fit the bill. I don't know what the guy was talking about where his review said it was crappy sound?! I have my primary amp/receiver input from an optical source so the pre-out is clear as a bell. Will definitely get another one as my speaker bevy grows. Thanks Crutchfield!

Pros: Power Sound Simple interface

Cons: No remote

So far so good

ChrisT from Chicago, IL on 9/8/2015

Crutchfield Customer Review (What's this?)

So far, the unit is performing as planned. Once I get everything setup, I can better understand how it will work as designed

Pros: good price point, good sound from speakers

Cons: gets a little warm during use

Works great, gets hot

Smartmouth from Virginia on 9/1/2015

Crutchfield Customer Review (What's this?)

We bought this to expand the number of speakers that we had at our location. It works very well as the speakers are located a far distance from the unit. It does get hot so we had to put it on its own shelf and add a small fan.

Pros: Works well, allows for 4 extra speakers to be added to our receiver.

Cons: Gets hot.

Functional Zone 2 Lowfi Sound

Mike from Kentucky on 8/27/2015

Crutchfield Customer Review (What's this?)

I use this amplifier as a Zone 2 Amp. I didn't need much functionality just something that would take audio in and send audio to B speakers in my bar's bathroom and to two small but quality Polk Audio speakers outside. I also use the audio Out to drive an FM transmitter. I turn the amp on and off using a WEMO switch and my iPad. This is possible because the amp doesn't have standby but has a manually pressed On And Off. Unfortunately, the sound quality of the Russound is extremely poor as is the power. You get what you pay for but you are likely to find a cheap receiver at a local discount retailer with better fidelity. Also, only Input 2 Routes to the output so I cannot hook up something to Input one and have it routed to my Output. That is a shame as to me it renders the automatic override function useless if you are trying to route the audio out to any other source.

Pros: Cheap. Simple.

Cons: Extremely Bad audio Quality. Low power. Does not pass Input 1 to the output.

Bridge to two different speaker arrays

Anonymous from Colorado on 8/7/2015

Crutchfield Customer Review (What's this?)

Space limited to receiver feature limited. Marantz powering a Bose Acoustimas system while second set of speakers traditional. Preamp out for second set of speakers but power to traditional speakers too low even with this amp. Has to dial back the setup output to each of the Bose speakers to balance. Something easily done with a dual output receiver such as Denon but with help of Crutchfield and Marantz setup features got a system that works.

Pros: Low profile and easy to set up the amp.

Cons: Little underpowered.

Russound P75

Robert from Orlando on 7/27/2015

Crutchfield Customer Review (What's this?)

After using the amp for about a month, it seems a little underpowered. My Crutchfield rep did say it would be good for background music and it's good for that. I was hoping for a fuller, more bass filled sound but it falls a little short. For the price, it gets the job done and it's a good buy.

Pros: inexpensive

Cons: slightly underpowered

Just what I wanted

Bob from Florida on 7/19/2015

Crutchfield Customer Review (What's this?)

This is just what I wanted, simple, simple setup, no "50 buttons" to press and adjust, a plain amp which works perfectly with my old but top notch speakers, sound is great and it turns on and off with the TV all by itself!

Pros: Simple and workers perfectly

Cons: None that I can see.

Clean sound, great price.

Brad from Texas on 7/14/2015

Crutchfield Customer Review (What's this?)

Hard to beat the quality at this price point.

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Russound P75

Anonymous from frazeyburg ohio on 6/25/2015

Crutchfield Customer Review (What's this?)

Excellent product did not know what I was missing from my cd's. My optimus amp had lost more Than my old ears have!

Pros: An absolute bargain pricewise

Cons: None

Nice for the Price

mg in SoCal from California on 5/11/2015

Crutchfield Customer Review (What's this?)

Very nice for the price. I purchased this amp to add two sets of speakers in a separate room from my main amp. I am driving it off a pre-amp output from the main. I loved the fact that you can set the amp to automatically detect whether a signal is present so I do not have to turn the power on and off whenever I want sound in the second room. However, the auto-detect is the only small issue. The first issue is, when the volume is very low, it may cut out as it does not detect a signal. The second issue is that the "On" LED is very bright. When the unit is in auto detect mode the LED cannot be turned off.

Pros: Sounds good, easy setup, low cost

Cons: The first issue is, when the volume is very low, it may cut out as it does not detect a signal. The second issue is that the "On" LED is very bright. When the unit is in auto detect mode the LED cannot be turned off.

Russound P75

Steve from Washington on 3/21/2015

Crutchfield Customer Review (What's this?)

Does everything it's designed for. Works great for my deck speakers. I'll know better this summer when I spend a lot of time on my covered deck how it holds up.

Pros: Easy hook up

Cons: None right now.

Love it!

Gerry from Virginia on 3/18/2015

We are very happy with this product. We have two very different volume needs in our building and this has allowed us to manage that very well.

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Details

Hands-on research

Product Research

Features

Dual Source Power Amplifier: The Russound P75 is a 2-channel dual source power amplifier with auto-source switching. It features two audio line inputs with a loop out to another zone, receiver, or device from Line 2 source. This amplifier can be used for power upgrades in specific zones, for speaker selector, or volume control systems.

Class A/B Design (Bridgeable): The Russound P75 is a Class A/B amplifier rated at 75 watts per channel into 4-ohms, and 60 watts into 8-ohms. With the Stereo/Bridge Mono switch in Bridge Mono position, both amplifier channels are combined for a higher powered mono output. In Bridge mode the X75 is rated at 160 watts of power into a single 8-ohm load.

Dual Source w/ Auto-Switching: The P75 has dual source capability. If two sources are used, connect the source you want to listen to most of the time to the Line 2 (secondary) input and the source you listen to less constantly to the Line 1 (primary) input Whenever the Line 1 (primary) source becomes active, that signal will take priority over the distributed audio signal on the Line 2 (secondary) input. The signal remains active but not heard on the Line 2 input, and once the Line 1 audio signal is muted or turned off , the P75 will automatically switch back to the Line 2 (secondary) audio signal.

Front-Panel & Rear-Panel Controls: On the front-panel of the P75 are Power, Speaker A/B, Volume, and Balance controls. On the rear-panel are Stereo/Bridge, and Auto On/Manual controls.

  • Power On/Off +Auto On: The P75 amplifier can be turned on manually or automatically by setting a switch on the back panel. For manual power on or off , press the Power button on the front-panel. For automatic power on, set the switch to Auto On, and place the front-panel power button in the "On" position. When music is sensed on either input RCA connector, the amplifier's signal sensing sends a command for it to power on. Once the signal ends, the amplifier turns off.
  • Volume & Balance Controls: You can adjust the speaker output volume, as well as adjust speaker output balance between right and left channels
  • Speaker A/B Switch: You can select speaker pair A (main) or speaker pair B (auxiliary) for audio output. You can use speakers A and B together, as long as the speakers are at a minimum 8-ohm impedance.
  • Stereo/Bridge (Mono) Modes: In Stereo mode the amplifier sends separate power and audio signals to the left and right channels. In Bridge (Mono) mode both the left and right channels are combined for a higher power mono output; the minimum impedance for the total load connected to a pair of channels in the bridged mode is 8-ohms.

Stereo RCA Inputs/Outputs: The Russound P75 amplifier features two stereo analog RCA inputs (Line 1/Line 2) to connect up to two analog audio devices. There is also a stereo analog RCA output to send the amplifier's Line 2 input to another zone amplifier.

Binding Post Speaker Terminals: The P75 amplifier is fitted with eight binding post speaker terminals and can accommodate up to two pair of speakers. You can power "A" speaker only, "B" speaker only, or both "A & B" speakers. When driving a single pair of speakers the amplifier can handle 4-ohm speakers in Stereo mode, or a single 8-ohm speaker in Mono mode. When driving both "A & B" speakers the amplifier can handle a minimum of 8-ohm speakers. The binding post terminals will accept bare wire (16-12AWG), pin-connectors, and banana plugs (single or dual)

Unswitched AC Outlet: The P75 amplifier has a built-in outlet on the back panel. This 120 VAC outlet provides 400W unswitched power for a device such as a small powered subwoofer. This switch provides power as long as the P75 is plugged into an outlet, whether or not the unit itself is powered on.

Protection Circuitry: The Russound P75 dual source power amplifier employs protection circuitry to safeguard against short circuits and over-heating.

  • Short Circuit Protection: Special circuitry has been designed into the amplifier to safeguard under a short-circuit condition. A faulty speaker can also cause a short circuit condition. If this fault condition occurs, turn off the amplifier and check speakers for short circuit conditions when appropriate.
  • Thermal Protection: The P75 amplifier is designed with special circuitry to safeguard the amplifier under a thermal overload condition. Thermal protection mode will only engage when the unit has been run at high volume for extended periods of time without adequate ventilation and/or when speaker impedances are below the minimum levels for the amplifier. In thermal protection mode the amplifier will automatically stop output. If this fault condition occurs, turn off the amplifier.

Mounting Options: The P75 amplifier can be placed on a shelf in an equipment rack, or on a table or cabinet. Make sure there is enough clearance around the amplifier for proper ventilation. The rear-panel should have approximately 5.125" of clearance, while the front-panel should have about 2.4375" of clearance. Both side of the amplifier should have around 0.9375" of clearance and the top should have 8.25" of clearance for proper ventilation.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Accessories
Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Looking for a small and simple amp for my exercise room to better hear the TV. This seems like a good fit. [ KEVIN B  Dec 29, 2017 ]
Zone 2 does not work. My house is wired to run three pair of speakers off of one output. There is not enough power to overcome the resistance of two floors of wire going to six different speakers from on outlet. Bought two of these to connect in series an power three sets of speakers. [ Barry  Oct 08, 2017 ]
Inexpensive, purchased with a turntable and bookshelf speakers, first time home stereo purchase. [ chris  Sep 25, 2017 ]
Didnt need anything fancy. [ Richard  Sep 15, 2017 ]
Price and features! [ Robert  Sep 14, 2017 ]
I want to run multiple outdoor speakers on zone 3. This will work perfect! [ David  Sep 07, 2017 ]
Good value to power patio speakers [ Troy  Aug 09, 2017 ]
Needed an amp to power two outdoor speakers. The Russound P75 looks like it will fit the bill nicely. Thanks Crutchfield. [ SCOTT  Jul 23, 2017 ]
Simple, inexpensive, works. [ Alexander  Jul 20, 2017 ]
Lucy's suggestion for the Yamaha musicast unit was great. But, I found a Denon that I like -- so, I'm gonna need to drive a bunch of speakers. Purchased these items here because Lucy's assistance was AWESOME! [ olu  Jul 19, 2017 ]
I needed a secondary amplifier to power two sets of outdoor speakers (4 total). [ John  Jul 17, 2017 ]
Advice of tech for amp needed based on my A/V unit. [ John  Jul 13, 2017 ]
Friend had one [ Adam  Jun 14, 2017 ]
Price and recomendation [ Mikel  May 26, 2017 ]
Price and functionality [ GARTH A  May 25, 2017 ]
adding two more speakers to sound system for Dolby Atmos playback, and this amplifier is perfect for this application. [ JACK  Apr 30, 2017 ]
Under the recommendation of a Crutchfield Advisor [ Frederick  Apr 12, 2017 ]
Jane in CS recommend based on discussion of my needs. [ Matt  Apr 03, 2017 ]
I have a 5 year old MCA-C5 that recently lost a channel in one of the 6 powered zones. The pre-amp output for that zone still works and sound is fine. This appears to be the least expensive and most convenient way to restore the zone. Though I considered some other attractive options I decided to stay with Russound. [ John  Jan 30, 2017 ]
Zac recommended I try this product to power the 3rd zone for my Sony STR ZA5000ES which can only power 2 zones on its own. [ Aziz  Jan 24, 2017 ]
Nice external amplifier to hook up additional channels to our Rowe NGX Jukeboxes. [ Kevin  Jan 14, 2017 ]
Recommended by your staff as a result of my inquiry. [ TERRY  Sep 20, 2016 ]
Has features needed for a specific application. [ David  Jun 21, 2016 ]
I call for some help to expand my receiver to my patio . And got the help needed thanks to Cosmo. Cosmo's Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=214 [ SCOTT  Jun 12, 2016 ]
Inexpensive but high quality amp for outdoor speakers [ Mark  May 24, 2016 ]
Need to boost volume on outdoor speakers. [ Thomas  Apr 17, 2016 ]
Hogan was great and he advised me to get this set up Hogan's bio: http://www.crutchfield.com/Support/Bio.aspx?bio=122 [ Jeff  Apr 01, 2016 ]
Buck suggested it for my need will see Buck's Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=140 [ Anthony  Mar 29, 2016 ]
I am upgrading my surround sound system for DTS:X and Dolby Atmos and was recommended this amp for my Denon X4200W receiver to make everything work. [ Timothy  Feb 21, 2016 ]
Great product. Works exactly as advertised. Easy to install and manage. [ KEN  Jan 21, 2016 ]

13 questions already asked

Sorry, no. Your Yamaha supports a 5.1.2 Dolby Atmos configuration but only when the two Atmos speakers are powered by the Yamaha. [ Ryan  Sep 20, 2017 ]  Staff
I use these amplifiers for Speaker "B" and I have to manually change them but if you set them at one level they would be subject to the pre-amp volume. [ BRUCE A  Aug 30, 2017 ]
While the amp is bridgeable, it requires a minimum 8 Ohm impedance so, no, you would not be able to connect 4 speakers in parallel to the bridged channel. If the speakers are conventional 8 Ohm, the best option is to use the amp in stereo mode and connect the pairs to the A/B speaker outputs provided. [ Ryan  Jun 29, 2017 ]  Staff
I only use it in the stereo mode. Works great. The manual lists doing the following for bridging. You need to select "Bridge mode" on the back. Connect Speaker wire (+) to the SPKR A Right (+) & Speaker wire (-) to the SPKR B Left (+). Keep load to 8 ohms total. [ David  Jun 27, 2017 ]
Check the auto-on switch on the back of the amp. In the auto-on position it will turn the amp off whenever there is no signal. In the auto-off position the amp is turned on and off solely by the front power switch. This should cure your problem but of course you have lost the auto feature. I know of no way to change the delay built into the auto function. I have two of these amps installed on a large yacht driving outside ceiling speakers and have had no problems in two years but we do operate in manual. Hope this helps. [ DWIGHT  Feb 11, 2017 ]
The P75 amplifier can be turned on manually or automatically by setting a switch on the back panel. For manual power on or off, press the Power button on the front panel. For automatic power on, set the switch to Auto On, and place the front panel power button in the "On" position. When music is sensed on either input RCA connector, the amplifier's signal sensing sends a command for it to power on. Once the signal ends, the amplifier turns off. Recommend you set power setting on back on unit to "manual." [ Hugh  Feb 11, 2017 ]
I think there might be a slider switch on the back of the amp where you can select whether the unit automatically turns on/off by detecting a signal or just leave the unit on when the power switch is on. [ MICHAEL  Feb 10, 2017 ]
Monster Cable is a brand. This amp has RCA 2 sets of rca inputs and one set of rca outputs. [ TRENT  Feb 22, 2016 ]
You can connect any type of cable you wish. If you have a specific Monster cable in mind that has a specific connector, take a look at the back panel picture online. [ MICHAEL  Feb 21, 2016 ]
If you bridge the amp you'll get 160 watts into a single 8-ohm load. You can use an external switcher to alternate 160 watts x 1 between your A/B speakers, but you can't have the amp run in 2-channel output for your B speakers if it's bridged. [ Larry  Oct 28, 2015 ]  Staff
There are no speaker inputs only RCA in. You will not be able to connect rear surround (or b speaker out) unless your Onkyo has RCA out for surround. You can hook remote speakers if your Onkyo has a zen 2 RCA Out. [ Michael  Sep 15, 2015 ]
It is a good amp and well priced. Just be aware that there are not separate volume controls for A and B, so you would just have to switch A and B on | off depending on what you want to listen to. Russound does make an in-wall volume controller that would allow you to separately control volumes of A and B. [ Christopher  Sep 15, 2015 ]
I don't think so. A sound at powers its own speakers. [ MICHAEL  Sep 13, 2015 ]
I don't think it is intended to drive the low frequencies associated with LFE, but, I haven't tried it. I would recommend looking for an amp that specifically says it is intended to amplify LFE or better yet, buy a powered subwoofer. [ MICHAEL  Jul 17, 2015 ]
No, there are not any LFE inputs on this amp. I know that Crutchfield does have a Polk amp that includes this feature. [ Jason  Jul 09, 2015 ]
yes that is what I use it for. [ Jeff  Jul 08, 2015 ]
Hello, unfortunately i am not sure what you are asking and/or how to respond about the switch you are referring too.. :-/ sorry i couldn't be of any help.. [ Eddie  Jun 08, 2015 ]
I think the switch is used to combine both A and B amps to drive a stereo speaker. Not to take a mono input and change it. You can read the users manual online at Crutchfield. [ MICHAEL  Jun 08, 2015 ]
I think you would need an rca y-adapter to feed both L-R channels on the amp but it should work. It will amplify full range in mono. [ TRENT  Jun 07, 2015 ]
Hello Daniel, The mono is designed for sub woofers when more power is needed. When channels are bridged (bridging is explained in manual) it increases output. You can have more zones by using cable splitters. If your prefer mono, you can combine left and right channels (4 wires) to the same speaker. If you do choose mono, make sure to combine both red wires and both black wires before attaching to speaker post. Good luck with your system. [ Michael  Mar 09, 2015 ]
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Russound P125 125 watt 2-Channel Dual Source Amplifier

Russound P125

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Get more power and speaker-level inputs

The Russound P125 offers these features:

80 watts per channel into 8 ohms

250 watts when bridged into a single 8-ohm load

selectable speaker-level input for upgrading power in an audio zone or for integrating a "local" source into a zone