Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

MP220PII 20W Classroom Mixer Amplifier with Microphone&Lock


● With cover and lock for amplifier and microphone
● With hook on the back for on-wall installation
● 2 Mic & 2 AUX inputs with individual volume control
● Bass & treble tone adjustment for sound effect
● Support 24V EMC input and 100V line input with priority
● Power supply: AC 220-240V/50-60Hz

  • Introduction
  • Specification

This Classroom broadcasting amplifier has 100V power signal input and is equipped with priority function. It has 2 microphone inputs, and 2 aux inputs. This product has a built-in microphone, can be hung on the wall, and the flip can be locked, suitable for classroom use.

Rated output


Output mode

4-16ΩRated output

Input sensitivity

MIC 1,2:  600Ω,  ≥5mV (-50dBV ), unbalanced

AUX1,2:  10 kΩ, ≥350mV ( -10dBV ),unbalanced

LINE IN:≥30V,Rated power

Frequence response

LINE IN, MIC:  150Hz-15kHz      AUX:  20Hz-20kHz

The ratio of signal to noise

Mic 1,2 :  ≤5mV

AUX1,2 :  ≤1mV

TREBLE: ±10dB at 10kHz

Capability of use


Power requirements

AC 220-240V/50-60Hz

Power consumption




Gross weight/net weight

4.5kg /3.2kg

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  • Tel:+86 020 37166520
  • Address:Jianggao Town, Baiyun District, Guangzhou, China