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Marantz MM7025

Stereo power amplifier, 140 watts x 2

24 Reviews

Item # 642MM7025

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Our take on the Marantz MM7025

Connect this 2 x 140-watt beast to the preamp outputs of a receiver or a wireless music player such as the the Sonos ZP90. Add a pair of speakers that can handle the high power, and get ready for a breathtaking sonic thrill ride.

Massive power for a wide range of audio applications

Connect this 2 x 140-watt beast to the preamp outputs of a receiver or a wireless music player such as the the Sonos ZP90. Add a pair of speakers that can handle the high power, and get ready for a breathtaking sonic thrill ride.

Use the MM7025 in your main listening room to drive your primary speakers. Expect to hear tighter, weightier bass, and wider dynamic swings that bring you closer to the sound of live music. (If your speakers can be biamped, this Marantz makes a superb choice for driving the low-frequency half of your system.)

Audiophiles using a preamp or A/V processor with XLR outputs can connect to this amp's XLR inputs and take advantage of the superior sound quality they provide. You could also use this amp to power a second zone. If you're using a speaker selector to divide the second-zone power among multiple rooms, don't worry. There's plenty of juice here to go around.

The MM7025's current-feedback amplifier design provides for nuanced reproduction of fine musical detail and plenty of sonic muscle to support chest-thumping transient peaks. HDAM-SA3 circuits provide high-speed signal response for precise sound.

Product Highlights:

  • 2-channel power amplifier
  • 140 watts x 2 into 8 ohms (20-20 kHz at 0.08% THD); 170 watts x 2 into 6 ohms
  • frequency response: 8-100,000 Hz (±3 dB)
  • signal-to-noise ratio: 105 dB
  • Discrete Current Feedback circuit for accurate, natural sound at all volume levels
  • oversized power transformer for high current levels
  • one RCA and one XLR input for each channel
  • DC trigger input/output
  • IR flasher input
  • gold-plated binding post speaker terminals
  • detachable power cord
  • 17-3/8"W x 5"H x 15"D
  • weight: 23.8 lbs.
  • warranty: 3 years
  • Our 60-day money-back guarantee

What's in the Box:

  • 2-Channel power amplifier
  • 68" AC power cord
  • 44" Remote control cable (single RCA on both ends)
  • User guide (English/ French/ Spanish)
  • USA Warranty information
  • Canadian Warranty information

Very pleased with the overall performance of the mm7025 power amp

JAY DAVIS, Evansville, IN


Marantz MM7025 Reviews

Average Customer Review(s):

(24 Reviews)

Marantz MM7025

JAY DAVIS from Evansville, IN on 12/19/2018

Crutchfield Customer Review (What's this?)

Very pleased with the overall performance of the mm7025 power amp



More power for Martin Logan ESL X speakers

Ken from Houston, TX on 11/26/2018

Crutchfield Customer Review (What's this?)

I purchasedthis amp to drive my Martin Logan, ESL X speakers through a pre-amp connection fron my Yamaha 781 AV receiver. Resulting volume is much better but sound quality is noticably better. The ESL X speakers arr power hogs so probably could have used a more powerful amp but for my home the Marantz 7025 is plenty good enough.

Pros: -Easy connection and configuration -dc power on/off compatable with Yamaha 781 - sound quality improvement over Yamaha 781 integrated amp

Cons: None

Great power amp!!

Crutchfield customer from Bend, OR on 10/28/2018

Crutchfield Customer Review (What's this?)

I purchased this power amplifier to run my B&W two front channels. I paired it with a marantz 6012 receiver for a 7.1.4 system. This unit runs my towers just perfect at 140 watts per channel and the sound quality is superb to my ears. It's got style, and performs great. I would highly recommend this power amp for any two channel needs.

Pros: Great power, style, performance.

Cons: None.

Marantz MM7025

Crutchfield customer from Waterford, VT on 9/9/2018

Crutchfield Customer Review (What's this?)

Great sound. Had a scare when it didn't turn on, we must of had a power glitch as the front red light power indicator wasn't on. Cycled power to the unit and all is well. It must have gone into a protection mode.



11.4.4 Setup and rockin it

Justin from Ridgefield, CT on 4/9/2018

Crutchfield Customer Review (What's this?)

Super easy to setup although I wish it just came with the rca plug though between the receiver either from Marantz or Crutchfield but otherwise it's awesome!

Pros: Great power to the two front channels

Cons: NONE

Fantastic improvement, sounds amazing!

Jeff from Clayton, NC on 2/1/2018

Crutchfield Customer Review (What's this?)

This Marantz amplifier is a monster! About a year back I picked up one of the slim model Marantz surround receivers (NR1606) that puts out a modest 50W/ch. Although I was pretty happy with the output to my 5.1 system, I couldn't stop thinking about those front channel preamp outs just sitting there, unused. I finally caved to the temptation to add some extra juice to the mix. I must say I was blown away and my expectations were exceeded as soon as I completed the calibration and popped in a blu-ray disc. My Rock and Metal collection has never sounded better, it's like a whole new system. I don't know how to describe it, but it's more than additional volume, it's like there's "horsepower to spare" no matter what volume I select. I can't say enough about this beast (except, well I don't think it's too smart, I hooked up a non-stereo monaural cable to the DC in/out from the receiver which powers up the amp at times, but mostly it just seems confused).

Pros: Conservatively rated power adds WAY more to your music or movies than just volume; it's quite impressive! Heavy, well built, high quality amplification.

Cons: Guess I'll have to mess with the DC jacks & settings a bit more to get this thing to power up/down with the rest of the system. Usually have to power up manually but it's worth the effort!

Marantz MM7025

Earl from Greensboro , NC on 1/30/2018

Crutchfield Customer Review (What's this?)

This Power Amp is the Truth, I have a Marantz SR5012 controlling this amp. Pushing a pair of Vintage JBL L100T as subs. Trust me, I Jamming. The SR5012 is pushing a pair of Bose 901's and a pair of Bose 301's with Polk S35 at center a pair of Polk S10's in the rear. In Multi Channel Stereo mode, every speaker is playing and it sounds good.



It just sounds so gooooooooooooood

John from Ypsilanti, MI on 11/30/2017

Crutchfield Customer Review (What's this?)

Great 2 channel amp to push my floor speakers. Most amps at this price and lower do not have the XLR cable option, which is by far a better way to connect your AV to the amp.

Pros: ease of connection to my receiver, I love the look and the style. Made me get the whole Marantz se up.


Great 2 channel Amp, not a Rotel but worth the cost

Drew from Frederick, MD on 11/15/2017

Crutchfield Customer Review (What's this?)

So I have a Marantz SR6011, sounded good and yes it does have the ability to bi-amp your front speakers on its own using its 110 watt per channel @ 8ohms with it's internal amp. Yes this is only 140 watt per channel @ 8ohms so not much difference, but having separate amps in my main room, I know how much of a difference a separate amp or amps can make. So initially I single wired my front speakers Polk Audio S60's using just the SR6011, with AQ Type 4 cables sounded ok, then tried Bi-Wiring Using AQ Rocket 33's, improved some but not dramatically, then I bi-amped 2 sets of Audioquest 4's , even better still with SR6011, talked to Polk and they said if you had a little more power they will open up more. So I added the MM7025 as pictured, and now have my fronts with (2) sets of full range Rocket 33's wired to the lows on my S60's using the MM7025, and Mid range and highs from SR6011 also full Range Rocket 33's, incredible how much better my fronts sound especially in 2 channel audio listening. Wasn't sure it was worth it, but in the end I am SO glad I did. Very happy, also a little odd that this runs so much cooler than my SR6011 (I use AC Infinity Aircom T8's) as pictured which monitors temps and cools off when necessary. This amp would probably be fine in a well ventilated setup with no fan, not the SR6011. (Also tried just the MM7025 and it did sound better than the SR6011) May actually buy another one down the road and run (2) MM 7025's to my fronts direct one per speaker

Pros: Runs cool, like 25 degrees cooler than my SR6011 with no external cooling fans (as pictured) after a few hours (with no external fans). Should be fine in any well ventilated setup without the need for extra cooling fans. Sounds better than my Marantz Receiver....higher peak loads than my Receiver. Can use Marantz Link to turn on with your Receiver. (Very handy)

Cons: Marantz does not allow you to bridge this amp unfortunately. Marantz does not offer a 3 channel version (would have been nice for my center) They do offer the MM7055 and MM8077, may actually pay the money get that and use the MM7025 elsewhere. I have Rotel Amps and I compared this to my RB-1572....this is about 60% as good but a little more than half the price :)

Fantastic amp

John from King Of Prussia, PA on 8/10/2017

Crutchfield Customer Review (What's this?)

Bought this a year ago to go with the Marantz SR7010 in an 11 channel Doldy Atmos setup. The MM7025 is doing main front left and right duty and impresses to no end. Needless to say it meshes well to the Marantz A/V receiver in multichannel, but it is stunning when the old vinyl and CDs are pulled out for some plain old school stereo listening.

Pros: Impressive stereo performance, meshes well with comparable A/V receivers for 11 channel Atmos duties.

Cons: None

Marana quality!

Wayne from NAMPA, ID on 6/7/2017

Crutchfield Customer Review (What's this?)

Excellent build quality and power to my Focal fronts, matches dimensions perfectly to the 6010 receiver! Strongly suggest! Might even pick up another in the future-

Pros: So far, everything!

Cons: None

Perfect powerful add-on to any system

Anthony from Gaithersburg, MD on 3/1/2017

Crutchfield Customer Review (What's this?)

Perfect powerful add-on to any system, but especially another Marantz receiver/amp (the built-in Marantz remote on/off function is a key, yes, auto sensing on/off 'works' but not as well in my opinion). And if you stack them, well, it just looks cool too. I have it driving my Left/Right Front Height speakers on an 11.2 setup.

Pros: Lots of power

Cons: Large and heavy

Strong work Marantz

numan from Albany, NY on 9/21/2016

Crutchfield Customer Review (What's this?)

I really I really like this amp. It's preamp from a Marantz 1607 going to totem dream catchers. The sound is warm but clear. I a/b this with emotiva xpa. The latter was very bright and painful despite tone changes. This is a good piece of equipment.



Very Happy

Mike from Grand Rapids, MI on 5/16/2016

Crutchfield Customer Review (What's this?)

Very happy with MM7025 purchase. Connected from Nad T748 pre out to Polk TSx440t Fronts, in 5.1 system for movies, and alone in Stereo for music. I had recently read a comment, in the Q&A section, on a website of a speaker manufacture. The customer was asking if his receiver was a good match for the speakers he was looking to buy, (note they were not talking about this equipment). The reply was that his receiver would, "Open them up nicely". The MM7025 did just that to my front speakers. Wish I had done this upgrade long ago.

Pros: More than enough power for my speakers, quiet, and looks nice with other equipment.

Cons: None

Marantz mm7025

Armando from miami, FL on 1/25/2016

Crutchfield Customer Review (What's this?)

Marantz have always been a great name in the audio industry, This amp is no exception, for the price you are getting a bargain, good amps are always over 2,500 $ , I have paired it to a denon avr-x7200wa and that 11th channel comes to life with this amp,

Pros: Good price for the quality you get,

Cons: have not found one yet


Gary from Texas on 1/1/2016

Crutchfield Customer Review (What's this?)

I have only had this amp for a few days, it matches the rest of my new Marantz components perfectly, and I may never know the full extent of the massive power this bad boy puts out. But its good to have.

Pros: Its all good!

Cons: None

MM7025 - a good 2 channel PA for the price

ah_sd from San Diego, CA on 4/21/2015

Crutchfield Customer Review (What's this?)

I use this with a vintage Marantz Model 3200 preamplifier to drive my series VI 901s. The 901s need a lot of drive and the 7025 does the job flawlessly, has the clean power and is rather transparent, also capable of producing a lot of clean bass with the 901s which is not easy. I have had the 7025 for 2 weeks now and would recommend it for this power and price range / fair sound quality.

Pros: Performs as expected, drives power hungry speakers well, looks great and seems to be well built

Cons: none so far

Marantz MM 7025

Mike K. from Tulsa, OK on 3/3/2015

Crutchfield Customer Review (What's this?)

I'm driving this with the pre-out of a 1974 Marantz 2270, which I completely recapped in 2013. On the business end of the 7025 is a pair of Bose 901 Type II's. Other gear in the system is a Thorens TD125 MK II turntable, and a Revox A77 reel-to-reel tape deck. This amp is performing as expected by the other great reviews I read.

Pros: Easy set up, basically works right out of the box.

Cons: None.


Geekmo from Kennewick, WA on 6/29/2014

Crutchfield Customer Review (What's this?)

I purchased a pair of these for a project i am doing, but in the mean time i am using them to bi-amp a pair of Martin Logan SL3s. They have a great sound and are easily running the power hungry electrostats, though I am not pushing them hard as the speakers can drop impedence loads when pushed. The soundstage has been great paired with this amplifier. The only reason i give four stars is that one arrived D.O.A. One call to Crutchfield and the exchange process was underway. Excellent service. I had a return label within moments and shipped back the bad amp that very day. Very simple operation when triggered from my receiver. Auto shut off features work splendidly. So far so good.

Pros: Marantz sound, powerful and rich. Balanced and unbalanced inputs available for flexibility of connections. Matches my existing Marantz receiver with the porthole design.

Cons: Not stated as 2 ohm stable. Of 2 ordered one was doa.

Good Sound & Good Looks!

jd from SW Missouri on 2/4/2014

Crutchfield Customer Review (What's this?)

I have been using this amp with a Marantz NR1602 receiver to drive my Bose 901 VI loudspeakers. It does this quite well. Previously, I used an Adcom GFA5500, which is a much heavier amp, rated 200W per channel into 8 Ohms and 350W / channel into 4 Ohms compared to the Marantz's 140/170 Watt ratings. Despite the power deficit, the Marantz sounds real nice with the 901's and seems to be stout enough for them. Admittedly, the 901's, even considering their EQ, are an easy load as they are fairly sensitive and present a uniformly comfortable impedance. The MM7025 is very quiet in operation. It has a cooling fan but I have yet to hear it come on. I hear no noise at all with this amp. Music, TV and movies just sound natural with the MM7025. It's pretty much a case of what goes in is what comes out. It seems to add no color or character of it's own. In my mind, that is exactly what an audio amplifier should do. The only thing that I've found so far to give Marantz a slight demerit for is the auto-off circuit. It works fine to automatically power down the amp after a pre-set inactive period, but it's not so good at turning it back on! I have to cycle the receiver's power off, then back on, to wake up the MM7025. No biggie, I just use my receivers sleep function. When it sleeps, so does the amp. Then when I turn the receiver on, the remote connection wakes the amp.

Pros: Beautiful looks! (If you appreciate such things!) Quiet operation Neutral sound Manageable size Fair price Good power

Cons: Not rated for 4 Ohm loads Auto power off circuit could be improved by including a signal-sensing function.

Marantz MM7025

Crutchfield customer from Akron, Ohio on 12/27/2013

Crutchfield Customer Review (What's this?)

I got this to use for the left & right main channels of my Marantz SR7005 receiver. I'm very happy with the results. I think the MM7025 does a better job driving the B&W 604 speakers. The remote control connection to the reciever is nice. The amp starts up a few seconds after the receiver is turned on.

Pros: Nice sounding amp.

Cons: None

Great Amplifier

TeddD from Elkhorn, Ne on 8/16/2013

Crutchfield Customer Review (What's this?)

Using Arcam DAC into Marantz AV7005 to the MM7025, which is then driving B&W PM1s. Replaced a Yamaha receiver with about the same power. The difference is stunning, even the wife, who never listens was immediately captivated. Depth, clarity, power all great. No hard edges to the sound like some other amps I looked at. Really woke up the PM1s.

Pros: Depth, clarity big improvement. Looks match the AV7005 and are nice. Used banana plugs for out and XLR balanced connections for in, which worked great.

Cons: Nothing really.

Great Marantz 2 channel MM7025!

B. Vincent from New York, NY on 5/22/2013

Crutchfield Customer Review (What's this?)

Great sound for 2 channels. Has power and impact to spare. Once it was connected, not easy with only bare wires, worked like a champ! A high end value!

Pros: Great sound. Very nice looks.

Cons: Limited connectivity. Ruins wire with spade ends.


Tom from Catlettsburg, KY on 10/13/2012

Crutchfield Customer Review (What's this?)

Excellent. Paired with a Peachtree Audio Nova Pre and pushing B&W 683s. Large presence at low volumes. HUGE presence as volume increases. Dead quiet to control chaos depending on the track. Using computer USB, Digital coaxial from CD player and Optical from an Apple Airport Express to stream. Would be the same combo again.




Hands-on research

Product Research


Current Feedback: The MM7025 is equipped with a current feedback circuit and uses the same complimentary push-pull circuit as the far more expensive SM-11S1 power amp, providing minimal phase shift and excellent detail resolution. The current/voltage conversion section has a Wilson current mirror circuit to improve circuit stability and high-speed processing.

Instant Power Supply: The final stage of the power amp uses the same LAPT (high efficiency power transistor) as the SM-11S1, offering instant power supply capability. The power section has a large transformer and Marantz original 15,000 μF / 71 V x 2 block condensers to provide a powerful, presence filled sound.

Heat Dissipation: The chimney-shaped heat sink efficiently processes the heat emitted from each side of the amp and a quiet cooling fan removes the heat from the chassis. A high-sensitivity temperature sensor IC is used to control the cooling fan's rotation speed to match the amount of heat generated by the amp.

Auto Standby: With the Auto Standby Mode is turned on this unit will enter standby mode after approximately 30 minutes (continuous) with no input signal.

Speaker Outputs: The speaker output terminals are binding posts; they are not 5-way posts, but will accept single banana plugs, pin connectors, and bare wire. A plastic collar prevents their use with spade lugs and they're too far apart for dual banana plugs.

Inputs: There are RCA (unbalanced) and XLR (balanced) inputs. Separate switches for the left and right channels specify which is engaged; useful if you're not using the MM7025 as a stereo amp.

Display: A blue indicator on the front panel display and a blue ring around the display light when the power is on; the blue ring around the display can be turned off if you prefer. Separate red indicators on the display light when the protection circuit or Auto Standby feature is engaged.

Remote Power Control: This unit is equipped with a remote power control function; when a compatible Marantz preamp is connected, this unit's power can be switched on and off simultaneously with the preamp. The RCA Remote Control input is connected to the preamp and the Remote Control output can be connected to other compatible Marantz components; CD player, DVD player, Tuner, etc.

Flasher Input: The IR flasher input is useful with universal remote controls; power and mute remote codes are available for the MM7025.

DC Control: The 3.5mm mini-jack input allows the MM7025's power to be controlled by another device (5-15 V). The DC Control output allows the MM7025 to control the power of another compatible device (12 V/44 mA).


  • Amplifier Type: Class AB
  • Power: (20 Hz-20 kHz, 0.08% THD, both channels driven)
    • 8 Ω: 140 watts x 2
    • 6 Ω: 170 watts x 2
  • Input Sensitivity:
    • RCA: 1.2 V/22 kΩ
    • XLR: 2.4 V/30 kΩ
  • Signal to Noise Ratio: 105 dB
  • Power Consumption: 330 watts
  • Standby Power: 0.2 watts
  • Weight: 23.8 pounds

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.