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 Yamaha’s 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 (4Ω / 8Ω).
- 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 × 4 on 70V/100V lines).
- YDIF Digital I/O: YDIF digital audio in/out via RJ45 (XMV4280 model — 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
● General
○ Model: XMV4280
○ Amplifier Type: Class-D
○ Channels: 4
● Output Power
○ Rated (1kHz, THD+N = 1%, 20 ms burst): 280W × 4 @ 4Ω / 8Ω
○ Double Power Mode (bridged): 560W × 2 (4Ω / 8Ω)
○ High-Impedance (70V / 100V): 250W × 4 (70V), 250W × 4 (100V)
● Performance
○ Frequency Response: 20Hz – 20kHz (Po = 1W, RL = 8Ω / 100V/70V), 0 dB, ±1.0 dB
○ THD+N: ≤ 0.2% (1kHz, half power)
○ S/N Ratio: ≥ 100 dB (A-weighted)
○ Crosstalk: ≤ -60 dB (1 kHz, half power, 8Ω)
○ Residual Noise: ≤ -65 dBu (A-weighted, 280W, 8Ω)
● Inputs / Outputs & I/O
○ Analog Inputs: Euroblock connectors (balanced) — 2 × Euroblock (6-pin) for analog input.
○ Digital I/O: RJ45 × 2 (YDIF IN / OUT)
○ Speaker Outputs: Barrier strip × 4 pairs
○ Network: RJ45 × 1 (shared, YDIF uses RJ45)
○ Remote / Fault: Euroblock (3-pin, 3.50 mm) × 1
○ AC In: AC inlet × 1
● Signal / Digital
○ Input Sensitivity: +4 dBu (1.23 V)
○ Input Impedance: 20 kΩ (balanced), 10 kΩ (unbalanced)
○ Max Input Level: +24 dBu
○ A/D & D/A: AD/DA: 24-bit linear, 128× oversampling; Signal processing: 32-bit
○ Latency: Analog→Speakers: 1.85 ms; YDIF (fs=48kHz)→Speakers: 1.08 ms (YDIF supports 4 channels on XMV4280)
● Protection & Cooling
○ Protection Features: Thermal mute (heatsink ≥ 90°C), overcurrent mute, low load impedance mute, DC-fault power shutdown, clip limiting.
○ Power Supply Protection: Thermal power supply shutdown (heatsink ≥ 100°C), integrated power gain reduction where applicable.
○ Cooling: 2 × 3-speed fans, front-to-back airflow
● Power & Consumption
○ AC Power Requirement: 100 V, 120 V, 230–240 V; 50/60 Hz
○ Power Consumption (1/8 MAX, 4Ω, pink noise): 250W
○ Idle (4Ω): 37W
○ Standby: 18.5W
● Dimensions & Weight
○ Dimensions (W × H × D, incl. knob): 480 × 88 × 422 mm (18.9" × 3.5" × 16.6")
○ Net Weight: 8.1 kg (17.9 lbs)
Package Contents
- Yamaha XMV4280 Power Amplifier
- AC Power Cord (2.5 m)
