INWALL AMP Features: Specifications: Class D Subwoofer Amplifier With Switching Power Supply. Power Output @4 Ohm (RMS) 200W Variable Low Pass Frequency Control Standby @ Audio Det. Circuit Load < 0.5W Variable Volume Control. Total Harmonic Distortion < 1% Variable Phase Control S/N Ratio @ Rated Power > 90dB Auto On/Off Control. Input Sensitivity @ Low Level 210 mV/ 50Hz Provide Low Level In/Out. Variable Low Pass Frequency 40Hz ~ 200Hz With Limiter Circuit Protection Variable Phase Control 0 ~ - 180 degree LED Power Indicator. Panel Dimension (in mm) 178 * 204*2 IEC Power Socket. Operation Voltage Two types: 1.) 115Vac +-10% 2.) 230Vac +-10%

Ref:SD200