ขาย ◆☽LQSC บอร์ดขยายเสียงดิจิทัล บลูทูธ 5.0 PAM8620 [DRT] ราคาที่ดีที่สุด

Protection function: power input reverse protection/short circuit protection/overcurrent protection overheat protection/voltage/overvoltage protection Extra function: MUTE/GND interface (short-circuit this interface can achieve mute) [HIFI sound effect] Using PAM8620 chip, the sound quality is excellent. It ensures that THD is still less than 0.1% even when running at high power for a long time. [Mini but powerful] 2-channel stereo output power 15watt * 2, working voltage range DC8-24 volt, suitable for 6-16 Ohm, [Two input methods] Support 3.5mm wired input and Bluetooth 5.0 input. The Bluetooth signal distance can be up to 49 feet, [Continuous and stable] 3300uF high-quality s bring stable output. The large-area heat dissipation system and high-quality power ules will not overheat and stop working under long-term high output. [Ensure safety] The power input of this Bluetooth power amplifier board has reverse connection protection/short circuit protection/overcurrent protection, overheat protection/voltage/overvoltage protection Product category: Class D 2.0 channel Bluetooth power amplifier Working voltage: DC8-24V Potentiometer handle opening: 7mm Mounting hole size: M3 Input e: 5.0 Bluetooth audio, 3.5mm audio input, 3P_2.54mm terminal audio input Performance: Efficiency: more than the 90% Total harmonic distortion plus noise: Less than 0.2% Gain: 32db Low quiescent current/noise suppression Bluetooth indicator status: 1. Fast flashing means no connection 2 Constant light is a successful connection status 3. Slow flashing is the state of playing music Audio source switching method: The default is AUDIO IN (or 3P terminal). Automatically switch to Bluetooth audio source when connecting to Bluetooth. Colour:black Material:ABS Size: 67 x 42 x 15mm Package Contents: 1 * Power amplifier board Only 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 alittle different from the real thing. The measurement allowed error is +/- 1-3cm.