Sell Bluetooth Amplifier Board, Digital Amplifier Wireless Audio Amp Board Headphone 2 Channel 50W+50W Small Amplifier ule best price

No any sound will happen when powering this ule, skipping song and pausing. Two kinds of audio input e: Bluetooth e and headphone (LINE IN) e. Two powering methods: it is equipped with wiring blocks and DC 2.1mm socket which is compatible with most laptop's power port. Users can power this ule by wiring blocks with DC 4.5-27V or find a power adapter with DC2.1mm socket. Wide input voltage range: this audio amplifier will be activated with power DC4.5-27V; The power input of this digital amplifier has reverse polarity protection function. Strong and qualified components: DROK select well-made to build this ule and use transparent acrylic shell to protect it from any damage. Operating Voltage: DC 4.5-27V Output Power: 50Wx2 Signal-Noise Ratio:102dB Protection Function: reverse connection protection, over-voltage, under-voltage, over-heat, short-circuit Colour:blue Material:ABS Size:8.7 x 5.3 x 2.9cm Weight: 87g Package Contents: 1 x Bluetooth 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.