Marantz MM7025 2 Channel Power Amplifier with 140W (Black)

Marantz MM7025 Power Amplifier

The Marantz MM7025 is a focused, high-current 2-channel Class A/B power amplifier built to bring effortless control, wide dynamics, and refined detail to both music and home theater systems. Its timeless Marantz industrial design houses a high-capacity power supply with an oversized large-capacity EI-core transformer and 30,000 µF of energy storage, helping deliver clean, stable power when passages get demanding. Designed for flexible system matching, the MM7025 includes both balanced XLR and single-ended connectivity, making it an ideal partner for AV processors, preamps, and stereo control centers. The result is a bigger, more expansive soundstage, improved separation, and the kind of superior clarity that helps your speakers disappear—leaving only the performance. 

What It's Good At:

• Delivering clean, dynamic 2-channel power for stereo listening and L/R home theater duties
• Driving demanding speakers with stable, distortion-controlled Class A/B amplification
• Improving clarity and separation with high-current, high-capacity power supply design
• Integrating easily into premium systems with balanced XLR and RCA compatibility
• Enhancing system control with 12V trigger in/out and external control connections
• Matching modern and classic components with Marantz Sound Master tuning and timeless styling

Marantz MM7025 Full Specifications:

• Model: MM7025
• Product Type: Power Amplifier
• Amplifier Class: Class A/B
• Number of Channels: 2
• Watts per Channel: 140 Watts per Channel
• Power Output: 140W (20Hz–20kHz, 0.08%)
• S/N Ratio: 105dB
• Frequency Response (Analog In): 8Hz–100kHz (+/- 3dB)
• Freq. Response (Dig In): No
• Frequency Range: No
• S/N Ratio (Mono/Stereo): No
• Frequency Range (additional listing): No
• S/N Ratio (additional listing): No
• Video Freq. Response (Component): No
• Video Freq. Response (Composite, S-Video): No
• Signal to Noise (additional listing): No
• THX: No
• DTS: No
• Dolby: No
• DSD (SA-CD)/Neural: No
• SRS: No
• HDCD Decoder: No
• Current Feedback Topology: Yes
• Discrete Amplification: Yes
• Power Transformer: Large Capacity EI
• D/A Conversion: No
• Digital Signal Processing: No
• Video Off (Pure Direct): No
• Source Direct: No
• Chassis: Steel
• Variable X-over: No
• Display Off: Blue LED Illumination off mode available
• Video Up-conversion: No
• Auto Calibration by MIC: No
• Satellite Radio Ready: No
• AM/FM Tuner: No
• Bass Redirection: No
• Lip-sync (digital audio delay): (Not specified)
• Software Upgradable: No
• HDMI In: No
• Component In: No
• S-Video In: No
• Composite In: No
• HDMI Out: No
• Component Out: No
• S-Video Out: No
• Composite Out: No
• Analog L&R In: No
• Analog L&R Out: No
• Digital Optical In: No
• Digital Coaxial In: No
• Digital Optical Out: No
• Digital Coaxial Out: No
• Other: No
• Pre-Amplifier Out: No
• Main Amplifier In: Balanced & Unbalanced: 8ch (Exclusive use by a selector switch.)
• Multi-Channel In: No
• Multi-Room Audio Out: No
• Multi-Room Video Out: No
• Multi-Room Speaker Out: No
• Speaker A/B: No
• Networking: No
• External control: No
• DC Triggers: 1 In / 1 Out
• D-Bus Remote (RC-5) In/Out: 1 - 1
• Flasher In/IR Receiver In/Emitter out: 1 - 1
• Front Panel A/V Inputs: No
• Headphone Out: No
• AC Outlets (Switched/Unswitched): No
• Color: Black
• Front Panel: Aluminum/Glass-reinforced resin
• Remote Control: No
• Power Requirement: AC 120V 60Hz
• Power Consumption: 330W (Standby: 0.2W)
• Dimensions (W x H x D, inches): 17-3/8 x 4-15/16 x 13-7/8
• Weight: 23.8 lbs
• Warranty: 3 Year Warranty

Marantz MM7025 Q&A:

What is the Marantz MM7025 best used for?

It’s ideal as a high-quality 2-channel amplifier for stereo listening or as the left/right power amp in a home theater system where you want stronger dynamics and better control over your main speakers.

How much power does the MM7025 deliver per channel?

The MM7025 delivers 140 watts per channel, rated 20Hz–20kHz at 0.08% distortion, providing clean headroom for demanding passages.

Does the MM7025 support balanced connections?

Yes. It supports balanced XLR and also works with single-ended connections, making it easy to pair with a wide range of preamps and AV processors.

Is the MM7025 a Class D amplifier?

No. The MM7025 uses Class A/B amplification, chosen for a blend of musical refinement, smooth detail, and strong transient response.

Does the MM7025 include HDMI or digital audio inputs?

No. This is a dedicated power amplifier—no HDMI and no digital optical/coax inputs—so it relies on a separate preamp or processor for switching and decoding.

Can I integrate the MM7025 with other components for power on/off control?

Yes. It includes 12V DC triggers (1 in / 1 out) and additional control connections, helping it power on in sync with your system.

What makes the MM7025’s power supply special?

It uses a large-capacity EI-core transformer and substantial energy storage (30,000 µF) to deliver stable, distortion-controlled power during demanding peaks.

What finish and build details should I expect?

The MM7025 is offered in Black, with a steel chassis and a front panel made from aluminum/glass-reinforced resin for a premium, durable feel.