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Content：

 TDA7492P bluetooth amplifier board 2*25W

1. Introduce

SL-BD21 is the new design of digital power amplifier with bluetooth, it is new product for using TDA7492P, and  is a dual BTL class-D audio amplifier with single power supply. connection is very simple. It is a 25W continuous average per channel, it use CSR8635 bluetooth module,  power efficiency and good sound.

2. Application

·        Power speaker

·        Digital product

·        Computer and laptop

·        Portable product

·        Wireless product

·        TV, DVD and the other product

·        Home Theater　

·        LCD  TVs and Monitors

3. Feature

A.  Amplifier

·        Working Voltage:  DC 8~26V

·        Output Power: 2*25W

·        Output impedance: 4~8Ω

·        25 W + 25 W continuous output power at THD= 10% with

VCC = 20 V and RL = 8Ω

·        High Efficiency, 90%

·        Frequency Response:20Hz-20K Hz

·        Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6dB

·        Differential inputs minimize common-mode noise

·        Standby and mute features　  

·        Short-circuit protection

·        Thermal overload protection

·        PCB material is FR4, thickness 1.6MM

·        The PCB dimension is 82mm*50mm