Marantz MM8077 U1B 7-Channel 150W High-Current Power Amplifier

The Marantz MM8077/U1B 7-Channel Power Amplifier brings reference-level amplification to your music and home theater system. Delivering 150 watts per channel into 8 ohms, it’s engineered to power even the most demanding speakers with accuracy, depth, and effortless control.

At its core is a massive toroidal transformer that ensures stability, headroom, and precise handling of dynamic peaks. With identical amplifier topology across all 7 channels, you enjoy balanced, uniform sound whether listening to stereo music or immersive surround sound.

For maximum flexibility, the MM8077 supports both balanced XLR and unbalanced RCA inputs, making it easy to pair with a wide variety of high-end pre-amps and processors. Built with Marantz’s signature current feedback technology and audiophile-grade construction, this amplifier is crafted for exceptional sonic purity.

Pair it with the Marantz MM7705 5-Channel Amplifier for a complete 11-channel theater experience with the latest immersive formats like DTS Neo:X. Designed with both power and elegance, the MM8077 is the perfect backbone for serious home entertainment systems.

Delivers clean, consistent power across all channels for a true cinematic experience
Powers demanding speaker setups with ease and dynamic headroom
Flexible connectivity options for any advanced home theater system
Built to audiophile standards for long-term reliability and sound excellence

7 channels of high-current amplification, 150W per channel (8 ohms)
Massive toroidal power transformer for dynamic headroom
Identical topology across all channels for consistent sound quality
Balanced (XLR) and unbalanced (RCA) input options for every channel
Current feedback technology for wide bandwidth and fast response
Audiophile-grade construction with rigid chassis design
Remote power on/off compatibility with select Marantz pre-amps
Designed to integrate with Marantz MM7705 for 11-channel surround