Yamaha XMV4280 4 Channel YDIF Input Power Amplifier
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Yamaha XMV4280 4-Channel YDIF Input Power Amplifier
The Yamaha XMV4280 is a professional, installation-grade 4-channel power amplifier built for distributed audio and pro-AV systems. It features Yamahaās efficient Class-D amplification, support for YDIF digital audio input (4 channels), selectable low-impedance and 70/100V high-impedance output modes, and a Double Power Mode that increases bridged output when required. Designed for rack installations, the XMV4280 includes comprehensive protection circuitry, front-to-back cooling, and flexible analog and digital I/O for reliable long-term operation.
Key Features
- 4 Independent Channels: Four channels of amplification for multi-zone and distributed systems.
- Rated Power: 280W per channel (4Ī© / 8Ī©).
- Double Power Mode: Bridge pairs to provide 560W x 2 when extra output is required (channels available are halved).
- High-Impedance Support: Built-in 70V / 100V line support (250W Ć 4 on 70V/100V lines).
- YDIF Digital I/O: YDIF digital audio in/out via RJ45 (XMV4280 model ā non-Dante).
- Protection & Reliability: Thermal, overcurrent, DC-fault detection, clip limiting and load protection.
- Efficient Cooling: Dual 3-speed fans with front-to-back airflow.
- Rack-Ready: 2U height with standard rack ears for clean install integration.
Specifications
ā General
ā Model: XMV4280
ā Amplifier Type: Class-D
ā Channels: 4
ā Output Power
ā Rated (1kHz, THD+N = 1%, 20 ms burst): 280W Ć 4 @ 4Ī© / 8Ī©
ā Double Power Mode (bridged): 560W Ć 2 (4Ī© / 8Ī©)
ā High-Impedance (70V / 100V): 250W Ć 4 (70V), 250W Ć 4 (100V)
ā Performance
ā Frequency Response: 20Hz ā 20kHz (Po = 1W, RL = 8Ī© / 100V/70V), 0 dB, Ā±1.0 dB
ā THD+N: ā¤ 0.2% (1kHz, half power)
ā S/N Ratio: ā„ 100 dB (A-weighted)
ā Crosstalk: ā¤ -60 dB (1 kHz, half power, 8Ī©)
ā Residual Noise: ā¤ -65 dBu (A-weighted, 280W, 8Ī©)
ā Inputs / Outputs & I/O
ā Analog Inputs: Euroblock connectors (balanced) ā 2 Ć Euroblock (6-pin) for analog input.
ā Digital I/O: RJ45 Ć 2 (YDIF IN / OUT)
ā Speaker Outputs: Barrier strip Ć 4 pairs
ā Network: RJ45 Ć 1 (shared, YDIF uses RJ45)
ā Remote / Fault: Euroblock (3-pin, 3.50 mm) Ć 1
ā AC In: AC inlet Ć 1
ā Signal / Digital
ā Input Sensitivity: +4 dBu (1.23 V)
ā Input Impedance: 20 kĪ© (balanced), 10 kĪ© (unbalanced)
ā Max Input Level: +24 dBu
ā A/D & D/A: AD/DA: 24-bit linear, 128Ć oversampling; Signal processing: 32-bit
ā Latency: AnalogāSpeakers: 1.85 ms; YDIF (fs=48kHz)āSpeakers: 1.08 ms (YDIF supports 4 channels on XMV4280)
ā Protection & Cooling
ā Protection Features: Thermal mute (heatsink ā„ 90Ā°C), overcurrent mute, low load impedance mute, DC-fault power shutdown, clip limiting.
ā Power Supply Protection: Thermal power supply shutdown (heatsink ā„ 100Ā°C), integrated power gain reduction where applicable.
ā Cooling: 2 Ć 3-speed fans, front-to-back airflow
ā Power & Consumption
ā AC Power Requirement: 100 V, 120 V, 230ā240 V; 50/60 Hz
ā Power Consumption (1/8 MAX, 4Ī©, pink noise): 250W
ā Idle (4Ī©): 37W
ā Standby: 18.5W
ā Dimensions & Weight
ā Dimensions (W Ć H Ć D, incl. knob): 480 Ć 88 Ć 422 mm (18.9" Ć 3.5" Ć 16.6")
ā Net Weight: 8.1 kg (17.9 lbs)
Package Contents
- Yamaha XMV4280 Power Amplifier
- AC Power Cord (2.5 m)
