AHUJA AMPLIFIER DPA770 DPA-770 75 WATTS WITH BUILT-IN DIGITAL PLAYER amplifier 4 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. 5 LED array for output level monitoring. Power Output 100W Max., 75W RMS at 10% THD, 70W RMS at 5% THD Output Regulation ≤ 2 dB, no load to full load at 1kHz Input Channels 4 × Mic. 0.6mV/4.7kΩ, 1 × Aux 100mV/330kΩ Frequency Response 50-15,000Hz ±3dB Signal to Noise Ratio 55dB Tone Controls Bass: -10dB +7dB at 100Hz, Treble: -10dB +7dB at 10kHz Outputs Line: 1V/3.5kΩ Speaker Outputs 4Ω, 8Ω, 16Ω & 100V Digital Player MP3 Player with USB Reader Power Supply AC: 220-240V 50/60Hz, DC: 12-14V Car Battery Power Consumption AC: 140VA DC: 3A Dimensions W385 × H130 × D310 mm Weight 9.6kg