Product Details

Product Description

Public Address System PA System PA Amplifiers

Public Address System PA System PA Amplifiers , which is short for Public Address Amplifier, is used to increase the audio signal of audio sources in public address systems. PA Amplifiers It can be used in public places like schools, hospitals, shopping malls, stadiums, etc. PA Amplifiers It works by taking energy from a power supply and modulate the input signal so as to enhance the output signal. PA Amplifiers PA Amplifiers are usually with high voltage ranging from 70v to 250v because high voltage can reduce signal loss in long-distance transmission.

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MODEL		DM-70U	DM-120U	DM-180U	DM-300U
Rated power valid values		70W	120W	180W	300W
Rated output	total output	70V,4-16Ω 100V（110V）	70V,4-16Ω 100V（110V）	70V,4-16Ω 100V（110V）	70V,4-16Ω 100V（110V）
Rated output	Five partitions output	100V（110V）	100V（110V）	100V（110V）	100V（110V）
Frequency response40Hz-16KHz		＜±2dB	＜±2dB	＜±2dB	＜±2dB
Microphone input, line input		-52dB -10dB	-52dB -10dB	-52dB -10dB	-52dB -10dB
Signal to noise ratio (SNR)		≥80dB	≥80dB	≥80dB	≥80dB
Output level		-10dB	-10dB	-10dB	-10dB
Monitor Outputs		+4dB	+4dB	+4dB	+4dB
POWER		AC220V±10％ 50Hz	AC220V±10％ 50Hz	AC220V±10％ 50Hz	AC220V±10％ 50Hz

MODEL		DM-400U	DM-500U	DM-650U	DM-750U
Rated power valid values		400W	500W	650W	750W
Rated output	total output	70V,4-16Ω 100V（110V）	70V,4-16Ω 100V（110V）	70V,4-16Ω 100V（110V）	70V,4-16Ω 100V（110V）
Rated output	Five partitions output	100V（110V）	100V（110V）	100V（110V）	100V（110V）
Frequency response40Hz-16KHz		＜±2dB	＜±2dB	＜±2dB	＜±2dB
Microphone input, line input		-52dB -10dB	-52dB -10dB	-52dB -10dB	-52dB -10dB
Signal to noise ratio (SNR)		≥80dB	≥80dB	≥80dB	≥80dB
Output level		-10dB	-10dB	-10dB	-10dB
Monitor Outputs		+4dB	+4dB	+4dB	+4dB
POWER		AC220V±10％ 50Hz	AC220V±10％ 50Hz	AC220V±10％ 50Hz	AC220V±10％ 50Hz

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