INSMA Amplifier Board TDA7492P Audio Receiver Amplifiers DIY Module 25W Dual Channel
<p><strong>Package Included:</strong> <br />1x INSMA TDA7492P Audio Receiver Amplifier Board<br /><br /> <strong>Parameters</strong> <br /> Amplifier IC: TDA7492P-Stmicroelcctronics<br /> Sound Source: DCM8633 Bluetooth 4.0 module<br /> Product name: Wireless Bluetooth 4.0 Audio Receiver Digital Amplifier Board.<br /> Power Supply: 12V 3A (Recommend), steady 9-20V.<br /> Output Mode: Stereo<br /> Efficiency: 90%<br /> Output Power: 25W+25W; THD=10%; Vcc=18V; RL=6Ohm<br /> Adaptive Speaker: 20W/4Ohm; 20W/6Ohm; 20W/8Ohm<br /> Control Mode: Bluetooth, Button<br /> Board Size: 82mmx51mmx20mm (L*W*H)<br /> Weight: 90g<br /> Color: Red<br /><br /> <strong>How to connect</strong> <br /> Connect to power supply, press the power switch, wait 3 seconds, until the blue and red LED <br />flashing alternately, then use phone or other Bluetooth transceiver device to find the Bluetooth <br />power amplifier, mobile phone display "INSMA Audio", click to connect. Support device memory and automatic connection.<br /><br /> <strong>Note</strong> <br /> 2. Volume as far as possible not to open to the maximum to protect the speakers.<br /> 3. It is recommended to use only Bluetooth as the audio input.<br /> 4. Gain switch: the default setting is 21.6 dB.<br /> 5. LED alternating flashing: wait matching.<br /> 6. One LED flashing: connect successfully.<br /> 7. The second function of the PLAY button: long press the button can be directly into the waiting matching mode.<br /> 8. To get high quality effect, please make sure amplifier board and speaker matching. Under <br />normal circumstances, we choose "power amplifier board power: speaker power =2:1",<br /> which means 25W amplifier board is suitable for driving 15W-25W speakers. If the matching <br />parameters are incorrect, then the effect will be all sorts of strange things.</p>