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Marantz MM8077 150-watt 7-channel Power Amplifier

150W, 7-channel Power Amplifier with Toroidal Transformer and Balanced XLR inputs
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Item ID: MM8077Blk
Marantz MM8077 150-watt 7-channel Power Amplifier
Price:$2,500 and 00 cents
Special Financing - Ends Aug 2, 2026. $70/month with 36 month financing*

We Can Get It Fast!

While this isn't an item we normally stock, we can still get it to you as fast as possible due to our great relationship with Marantz. Go ahead and place your order and we'll follow up shortly to let you know when to expect it. Estimated May 2026.

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Marantz MM8077 150-watt 7-channel Power Amplifier
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Price:$2,500 and 00 cents
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Audiophile-grade Power and Performance

The Marantz MM8077 represents the highest level of multichannel amplifier performance, emboldening your home theater or hi-fi setup with clean, crisp, and utterly noise-free Marantz power. This 7-channel power amplifier delivers a robust 150 watts of pristine A/B power to each channel at 8 ohms, with an immaculate 0.08% THD rating and 8–100,000 Hz frequency response. Each channel also sports a discrete current feedback power amp stage and high-current power resistors, elevating every minute detail of even the most high-resolution audio formats. Take a look under the isolated copper-plated hood, and you’ll find a massive toroidal power transformer that supplies peak performance and efficiency, in addition to a dual extruded heat sink assembly and near-silent fan cooling. You also get both balanced XLR and unbalanced RCA inputs, with gold-plated loudspeaker terminals to provide you with the cleanest signal transfer possible. Pairing immense power with superb sonic performance, the Marantz MM8077 is one of Sweetwater’s top recommendations for the home theater fanatic seeking audiophile-grade sound.

Marantz MM8077 150-watt 7-channel Power Amplifier Features:

  • Audiophile-grade 7-channel power amplifier, driving 150 watts of AB power at 8 ohms (180 watts of power at 6 ohms)
  • Massive toroidal transformer ensures ultra-low noise and high current performance
  • Gold-plated speaker terminals for optimal signal transfer
  • Copper-plated chassis isolates from electrical interference, vibration, and unwanted noise
  • Distinctive cooling tunnel and ultra-quiet fan operation keep everything running cool
  • Includes balanced XLR inputs and standard RCA inputs to accommodate a wide variety of sources
  • Discrete Current Feedback circuit offers clear, organic, and uncolored sound at any volume level

Warranty Info

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Tech Specs

  • Amp Type: Power Amp
  • Number of Channels: 7
  • Power Class: Class AB
  • Watts per Channel @ 8 ohms: 150W
  • Analog Inputs: 7 x XLR, 7 x RCA
  • Speaker Outputs: 7 x Dual Binding Post
  • Other I/O: 2 x 1/8" (DC Control), 1 x 1/8" (flasher)
  • Frequency Response: 8Hz-100kHz
  • Control I/O: 2 x 1/8" (remote I/O), 1 x 1/8" (IR), 2 x 1/8" (DC control)
  • Remote: Included
  • Power Source: Detachable C17 power cable
  • Height: 7.29"
  • Width: 17.32"
  • Depth: 15.1"
  • Weight: 45.41 lbs.
  • Manufacturer Part Number: MM8077

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