ขาย Tpa3116D2 แผ่นบอร์ดขยายเสียงดิจิตอลบลูทูธ 5.0 ระดับเสียง Xh-A305 2.1 Channel Stereo Class D 50Wx2 ลําโพง ราคาที่ดีที่สุด

TPA5532D2 with tone 2.1 bluetooth power amplifier board, the imported power amplifier chip, with hi-fi stereo sound quality;Support bluetooth,auxiliary input audio, power amplifier configuration bluetooth 5.0 high speed transmission, as long as the phone can play this bluetooth, does not affect the distance will not be stuck. The effective transmission distance of bluetooth is 20 meters, and the connection is unobstructed. However, according to the bluetooth configuration of personal mobile phone, the signal strength is different, and the transmission distance will be different. The input power of the power amplifier is dc12-24v, with dual sound channel output, and the output impedance is 4-8 ohms. The maximum power is 50w*2+100W (4 ohm).Onboard volume potentiometer, can freely adjust the stereo, bass, volume. Basic parameters: 1. Working e: class D 2. Static current: 60mA 3. Work efficiency: 90% 4. Audio input: support bluetooth, AUX analog signal 5. MAX output power : 50W*2+100W 6. Frequency response: 20Hz to 20KHz 7. Working voltage: DC12V - 24V 8. Recommended power voltage: DC19V 9. Fit speaker parameters: 4-8 ohms 10. Size: 116 x 73 x 30mm 11. Net weight: about 117g 12. Bluetooth version: 5.0 13. Chip el: TP116D2*2 14. Output channel: 2.1 channel 15. Installation size: 110 x 45mm 16. Installation aperture: 3mm Colour: as shown Material: PCB Package Contents: 1 x Digital Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.