OSD MX880 Gen 2 8-Channel 4-Zone Multi-Room Power Amplifier
The OSD MX880 Gen 2 8-Channel 4-Zone Multi-Room Power Amplifier delivers clean, high-efficiency Class-D audiophile amplification engineered for custom residential multi-room distributed audio systems and commercial installations. Providing 80 watts RMS per channel into 4 ohms (50 watts RMS into 8 ohms) across 4 discrete zones, and bridgeable to a commanding 160 watts per zone at 8 ohms, the MX880 Gen 2 features independent zone power switches, individual gain controls, global bus inputs with loop outputs, and advanced 12V trigger sensing.
If you want to know what multi-channel power amplifier delivers flexible 4-zone distribution with bridgeable high-current headroom, how global bus inputs simplify distributing central media streamers across multiple rooms simultaneously, or how 12V trigger sensing automates system power, the OSD MX880 Gen 2 provides the ideal multi-room solution. Audio installers and smart home enthusiasts choose the MX880 Gen 2 for its quiet thermal performance, heavy-duty chassis, and pristine acoustic dynamics.
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High-Efficiency Class-D Multi-Zone Topology
Engineered with cutting-edge Class-D digital amplification, the MX880 Gen 2 delivers 80W RMS per channel into 4-ohm loads while running cool and silent in residential AV equipment racks without requiring noisy cooling fans.
Flexible 4-Zone Bridgeable Architecture
Each of the 4 stereo zones can be independently configured in stereo (80W/ch @ 4 ohms, 50W/ch @ 8 ohms) or bridged into high-power mono (160W @ 8 ohms) to effortlessly drive power-demanding outdoor patio speakers or passive subwoofers.
Dedicated Global Bus & Local Channel Inputs
Dual global bus inputs allow you to route a single audio source (such as a multi-room music streamer) to all 8 channels simultaneously, while local RCA inputs allow dedicated sources to play exclusively in designated rooms.
Intelligent Power Management & 12V Trigger
Equipped with signal-sensing Auto-On, always-on mode, and 12V trigger in/out connectivity, the MX880 Gen 2 powers up automatically upon detecting an audio signal and synchronizes with home automation control systems.
Specifications
| Amplifier Type | Class-D Multi-Channel / Multi-Zone Power Amplifier |
| Channels / Zones | 8 Channels / 4 Discrete Stereo Zones |
| Power Output (8 Ohms) | 50 Watts RMS per Channel (All Channels Driven) |
| Power Output (4 Ohms) | 80 Watts RMS per Channel (All Channels Driven) |
| Bridged Power Output (8 Ohms) | 160 Watts RMS per Zone (4 Zones Bridged) |
| Frequency Response | 20Hz - 20kHz (+/- 1dB) |
| Signal-to-Noise Ratio (S/N) | >90dB A-Weighted |
| Total Harmonic Distortion (THD) | <0.1% at Rated Power |
| Inputs | 2x Global Stereo RCA Bus Inputs, 4x Dedicated Local Stereo RCA Inputs |
| Outputs | 2x Global Bus Loop RCA Outputs, 4x Zone Speaker Output Terminals |
| Trigger Control | 12V DC Trigger Input & Output (3.5mm Minijack) |
| Rack Mounting | Includes Heavy-Duty 19-Inch 2U Rack Mount Ears |
| Dimensions (W x D x H) | 17.0 x 14.5 x 3.5 Inches (432 x 368 x 89 mm) |
| Unit Weight | 24.5 lbs (11.1 kg) |
In The Box Contents
- 1x OSD MX880 Gen 2 8-Channel Multi-Room Power Amplifier
- 1x Pair 19-Inch Heavy-Duty Rack Mount Ears with Mounting Screws
- 1x Heavy-Duty Grounded AC Power Cord
- 1x Comprehensive User Manual and System Wiring Guide
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