Medha D.J. Plus 500W Professional High Power PA Amplifier With Digital Media Player Aux Input. Stereo Music for DJ Program. Line input & output on each zone for connecting to a mixer and Booster Amplifier Respectively. Box Speaker / Driver unit selector switch. Zone on/off facility. Resettable circuit breaker for protection against overload and short circuit. Instant Transfer to DC power (Car Batt.) If AC power fails Built-In USB 2.0, MMC & SD Card Reader Provided Remote for all functions SPECIFICATIONS STB - 5000U POWER SUPPLY AC: 220-250V 50/60Hz DC: 24V (2x12V Car Batt.) POWER CONSUMPTION AC: 800VA DC: 9Amp. POWER OUTPUT- 600 WATT RMS AUX. 150mV / 470K STEREO L/R 200mV / 100K LINE L/R 1V / 50K DIGITAL PLAYER MP3 Player with Remote Control (USB, SD and MMC Card Reader) FREQUENCY RESPONSE 50-15,000Hz Â± 3dB SIGNAL TO NOISE RATIO 60dB TONE CONTROLS BASS : Â± 10dB at 100Hz TREBLE : Â± 10dB at 10KHz SPEAKER OUTPUTS 4 Ohm, 8 Ohm, 70V & 100V (each zone) OUTPUT Line 1V / 1K DIMENSIONS W510XD380XH175mm NET WEIGHT 22.600Kg