This amplifier has the SD/USB port, so it can play MP3. It has 3 x Mic and 3 x AUX inputs. The Mic No. 1 which is in the front can be used to autmoatically stop the music when someone is talking. The Mic2 Mic3, which are connected on the back of the amplifier can't be used to stop the music. Also, this amplifier has 4-zone control and treble and bass control switches.
Specification
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Technical data: HY8120MB
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Output Power(RMS): 120W
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Frequency response:
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Mic :-3dB (200Hz~15kHz)
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Line:-3dB(100Hz~20kHz)
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THD at 1kHz: Less than 1%
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Input sensitivity:
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3Mic input :-50dB(2.45mV)/2 k ohms, unbalanced
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3Aux input :-10dB(245mV)/5 k ohms ,unbalanced
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Output Interface: 70V and 100V Low-impedance output (4~16ohms)
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Signal-to-noise ratio:
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Power supply: 110/220V (AC 50-60Hz)
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Dimensions W*H*D: 480*90*300mm