• KTA-650 USB is a PA amplifier with an inbuilt MP3 Digital Player, making it a versatile multi-application music center. The Digital Player accepts USB drives, and reproduces clear, high quality music. A remote control is provided for controlling the functions of the Digital Player from a distance. This, combined with 3 microphone inputs, 1 Aux input, and provision for multiple speaker connections makes this ideally suitable for a variety of music programmes and public address applications. • 3 Mic & 1 Aux Input. • Built-in MP3 player with USB reader and remote control. • Line Output for connecting to a Booster Amplifier. • Active Bass & Treble controls. • Instant transfer to DC Power (Car Battery) if AC power fails. • Monitor LED for output monitoring Power Output 75W Max., 50W RMS at 10% THD, 45W RMS at 5% THD Input Channels 3×Mic. 0.6mV/4.7k , 1×Aux 100mV/330k Frequency Response 50-15,000Hz ±3dB Signal to Noise Ratio 55dB Tone Controls Bass: ±10dB at 100Hz Treble: ±10dB at 10kHz Outputs Line: 400mV/3.5k Speaker Outputs 4 , 8 , 16 & 100V Digital Player MP3 Player with USB reader Power Supply AC: 220-240V 50/60Hz, DC: 12-14V Car Battery Dimensions W305 × H120 × D305 mm Weight 7.0kg