Features: ? MH Series is a kind of 3 channels amplifier, use class-H electric circuit, super high speed power supply, whole machine efficiency very high, ? two channels stereo(250W-450W)output, one channel low frequency(500W-1000W)output, ? with DSK66 OK front hadles,high frequency professional echo, ? automatic figure feedback RS232 control on real-time, ? Cut frequency adjustable, the filter slope type:-6dB -12dB -18dB and -24dB Butterworth Linkwitz-Riley or Besse. ? variable Q?#118alue.It's more convenient for use neatly in karaoke or DISCOs locations. Specifications: Type? MH-3250 MH-3350 MH-3400 8? STEREO POWER? 250W ?2 350W ?2 400W ?2 4? STEREO POWER? 500W ?2 700W ?2 800W ?2 8? BASS POWER? 500W 800W 900W 4? BASS POWER? 700W 1200W 1300W FREQUENCY RESPONSE? 20-20KHz+0/-0.5dB 20-20KHz+0/-0.5dB 20-20KHz+0/-0.5dB THD+N? <0.01% <0.01% <0.01% S/N RATE ? >=90dB >=90dB >=90dB SLEW RATE ? 40V/uS 40V/uS 40V/uS INPUTIMPEDANCE? 20K? 20K? 20K? INPUTSENSITIVITY? 0dB 0dB 0dB MAX INPUT GRAIN ? ?20dB ?20dB ?20dB HEIGHT? 2U 2U 2U PACKING DIMENSIONS? 580?80?50mm 580?80?50mm 580?80?50mm VOLUME? 0.05M3 0.05M3 0.05M3 GROSS WEIGHT ? 19.2Kg 19.2Kg 19.2Kg Currency: Unit Price: Quantity: Delivery: