Content:

public address system amplifier module,digital power mono amplifier module,650W power amplifier board,high power mono amp boards

1. Introduce

SL-A21 is the new design of digital power amplifier module, it is new product for using ISO2092, connection is very simple. It is a MAX350 W power, High  efficiency and good sound.

2. Application

·        Power speaker

·        Public Address System

·        Computer and laptop

·        Portable product

·        Wireless product

·        TV, DVD and the other product

·        Home Theater　

3. Feature

Working Voltage: Double 20V-50V
when voltage above 35V,R6,R7 change to (2kohm,3W)
our current board is R6,R7 (3.9Kohm,3W),voltage 40-45V
MAX Power:200W/8ohm double 50V ,THD<0.1%
                     350/4ohm double 50V,THD<1%
input sensitivity:1.6V
input impedance:14k ohm
Frequency response:0-50KHz ±1dB 10W/8ohm
standby by current:50MA

Output impedance: 4~8Ω