United Kingdom

  • XR400-4
  • XR400-4

Additional Images


4 Channel Super Thin Digital Power Amplifier

  • Class D Amplifier
  • Full Range Digital Amplifier
  • CEA-2006 Compliant
  • Low-pass Filter
  • High-pass Fliter

Key Features

1000W Maximum power
Built-in variable low-pass filter
Buitl-in vriable high-pass filter
2 ohms load capability
Dual power supply
Power MOS-FET switching power supply

Amplifier Features

Class D AmplifierYes
Full Range Digital AmplifierYes
Load Capability2Ω Stable
Maximum power output1000W
Rated power output (4Ω)75W x 4 (4Ω)
Rated power output100W x 4 (2Ω)
Bridged power output (4Ω)200W x 2
CEA-2006 CompliantYes
Low-pass FilterYes
High-pass FliterYes
Dual Mono Drive CapabilityYes
Switched Mode Power supplyYes, with Power MOS-FET
Power IndicatorYes
Protection functionYes
Line in2 RCA (Gold Plated) A/B
Input SelectorA/AB
Single Side TerminalsYes
Full Contact TerminalYes
Gold Plated Power & Speaker TerminalsYes
ChassisAluminum Die-cast


Maximum power output (4Ω)250W x 4
Rated power output (4Ω, 14,4V)75W x 4 (20Hz ~ 20000Hz, 1%THD)
Rated power output (2Ω, 14,4V)100W x 4 (1000Hz, 1%THD)
Rated power output (4Ω, 14,4V)200W x 2 (1000Hz, 1%THD)
Rated power output (CEA-2006)75Watts RMS x 4 at 4 ohms and 1% THD
Low-pass Filter50~200Hz & 2,5~10kHz (-12dB/oct)
High-pass Fliter50~200Hz & 2,5~10kHz (-12dB/oct)
RCA Input Sensitivity0.2 ~ 5V
Input Impedance10kΩ
Signal to Noise Ratio100dB
Signal to noise ratio (CEA-2006)76dBa (Reference: 1 Watt into 4 Ohms)
Frequency response (+0dB, -3dB)20Hz ~ 20000Hz
Operating voltage14.4V (11V ~ 16V allowable)
Maximum current consumption37A
Dimensions (WxHxD)220 x 35 x 169(mm),