TPA3116D2 50Wx2 HIFI Bluetooth 5.0 Audio Stereo Amplifier Module,$11.1
* Built-in amplifier module, can connect to loudspeaker directly.
* Dual channels audio signal output.
* Communication distance:15meters (Max)
* Recommended power supply voltage DC 9~24V.
http://www.icstation.com/hifi-bluetooth-audio-stereo-module-…
Tips: ICStation offer Free shipping for order reached $20 usd.
If the order amount is less than $20 usd, then there will be extra $5 usd for shipping fee (insurance tracking number service).
AC-DC Converter 100W Isolation Switching Power Supply, $7.5
* Input Voltage: AC100-265V
* Output Voltage:36V 2.5A
* Output Power:100W
* Over Current Protection,Short Circuit Protection,Over Load Protection
http://www.icstation.com/converter-110v-220v-isolation-switc…