PUBLIC ADDRESS
AMPLIFIER
1
INTRODUCTION
There are many models of MPA and PA series which have 120W&240W in power. They are
professionally designed for schools, department stores and shopping centres.
More kinds of protection for the new series: such as overload , short-circuits of output
overheat; and you can use it safely and freely. We also design a fan to protect the power
amplifier. The two new series have many acoustic modules, such as MP3 player and recording ,
CD-201, ECHO , telephone paging and monitor for option.
Each input volume can be controlled with the corresponding individual input volume control,
and can be adjusted by means of a master volume and individual bass and treble tone controls.
Emergency operation can be made of DC power source 24V, even when AC power fail. They
have good performance and supply the excellent quality of sound . Besides , users can operate
easily. Please refer to the following table for these models with different BGM modules.
Features:
7. 4 MIC (XLR) inputs; MIC/LINE/PHANTOM exchange SW;1 AUX (RCA) INPUT
2. 2 Tones (BASS/TREBLE);5 Input volume controls; 1 MASTER;
3. There are various modules like CD/TURNER/MP3/ECHO/TEL. for option.
4. MP3 player and recording; SD/USB interface
5. MONITOR function; Recording select function;
6. Impedance output is 4
; constant voltage output is 25V,70V, 100V; output level display
1. Output: RMS 120W;240W
8. PRE output and AMP input and Line out;
9. 4 ZONE paging with individual volume control and 1 ALL control of zone paging.
Note: The units of ECHO function have three MIC inputs.
8
Notes:
letter"M" means having built-in MP3 player; "R" means having recording function;"S"
means having zone paging. And MP3 player has USB interface&SD/MMC cards or has only USB
interface for customer to choose.
BLOCK DIAGRAM
MPA-120/240 SERIES
MPA-120/240
MPA-120R/240R
MPA-120S/240S
PA-120/240
PA-122/242
PA-122S/242S
MPA-120-ECHO/240-ECHO
MPA-120R-ECHO/240R-ECHO
MPA-120S-ECHO/240S-ECHO
MPA-120RS-ECHO/240RS-ECHO
PA-122-ECHO/242-ECHO
PA-122S-ECHO/242S-ECHO
MPA-120RS/240RS
Models
MP3 Player
V
V
V
V
MP3 Player & Recording
V
V
V
V
ZONE PAGING
V
V
V
V
V
V
ECHO
V
V
V
V
V
V
CD-201
V
V
V
V
MON / TEL
V
V
V
V
V
V
V
V
V
V
V
V
V
