DM-200W+200W is a stereo amplifier module of 2 x 200W /4Ω RMS.

  • 200W + 200W RMS
  • Class-D


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DM-200W+200W is a stereo amplifier module of 2 x 200W /4Ω RMS. This module, used in some products of the brand, is also available as component for other manufacturers. Based on Class-D architecture the DM modules are light compact and very reliable. They use thermal, short-circuit and overload output protection. The temperature can be controlled via a 12V DC output connected to a fan. Over voltage protection and DC offset shutdown are also available.
MODEL DM-200W+200W  
General CH1 / CH2 CLASS-D Amplifier
Power Requirements AC~220-240V +/-10%  50/60Hz / 1.6AH or AC~110-120V +/-10% 50/60Hz / 3.15AH
Auxiliary Supply DC +/-12V @ 0.3A
Weight 0.8 kg (1.76 lbs)
Dimension (W x D x H) 200 x 114 x 30 mm (7.87” x 4.49” x 1.18”)
Audio Section Slew  rate (8Ω) 1.5V/ms
S/N Ratio >95dB/A
Distortion <0.05% (THD. DIM. SMPTE)
Inputs Unbalanced to ground
Impedance 10k Ω
Gain 29dB
Output Unbalanced to ground
Bandwidth 15Hz~20kHz
Damping factor (8Ω) >400 (100Hz) / >180 (1kHz)
Power Specifications (230V rms mains voltage) 4Ω Load 200W + 200W RMS
250W + 250W EIAJ
8Ω Load 120W + 120W RMS
150W + 150W EIAJ
Function Thermal protection (over-temperature power limited, thermal shutdown)
Temperature  controlled 12V DC fan output
Over voltage protection
DC offset shutdown
Short-circuit / overload output protection