Power Amplifier Board TDA7492P Bluetooth Receiver Audio Board 2x25W Mini Power Amplifier DIY Dual Channel Dropship

Description: Power Amplifier Board TDA7492P Bluetooth Receiver Audio Board 2x25W Mini Power Amplifier 

Power Supply: 2.1 interface (5.5-2.1 mm adapter), 10-25V DC power supply, including battery. NOTE that the chip will burned when the positive and negative reverse.

Audio Input: ①3.5mm AUX input; ②CSR8635 Bluetooth chip, Bluetooth V4.0, which can support Bluetooth stereo audio input.

Output Power: Powered 18V, 6ohm, impedance output 25W+25W. Powered 20V, 8ohm, impedance output 25W+25W.

Integrated 5532:A dual high-performance low noise operational amplifier, improved output drive capability and considerably higher small-signal and power bandwidths.

DIP Switches: It can be more easily direcly adjusted after-class amplifier gain, to better promote the impedance larger speakers.(21.6dB, 27.6dB, 31.1dB, 33.6dB), 5 buttons to select the play mode: Play, Back, Next, Vol+, Vol- 

Features:

Sound quality is very good by using this module.
Equipped with AUX interface(wired audio input).
Using TDA7492P power amplifier chip, Bluetooth V2.1.
After power on, automatically enter into pairing mode, search the name: SANWU Audio.
Applicable speaker impedance: 4/6/8/16 ohm (8 ohm is the best).

Specifications:

Power: 2.1 Interface DC 10-25V power supply (with reverse power protection)
Audio input: Bluetooth receiver
Output Impedance: 8 ohms Best (can drive 4,6,8,16ohm impedance speakers)
Amplifier chip: TDA7492P (with the letter P is a Dual-channel 25-watt 25W + 25W )
Output power: 2 x 25W
Additional features: AUX audio input interface (Wire mode audio input)
Size: 7.2×4.8cm/2.83×1.89inch
Quantity: 1 Pc

Note:

If you use external audio, you need connect 3.5mm audio line
Auto detection for AUX input, the Bluetooth will disconnect after AUX input.

Package Included:

1 x Power Amplifier Board TDA7492P Bluetooth Receiver Audio Board 2x25W Mini Power Amplifier