○ Model: XMV4280

○ Amplifier Type: Class-D

○ Channels: 4

○ 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)

○ 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)

○ 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

○ 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 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

○ 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 (W × H × D, incl. knob): 480 × 88 × 422 mm (18.9" × 3.5" × 16.6")

○ Net Weight: 8.1 kg (17.9 lbs)