Vender 2 Channel Audio Amplifier Board Suitable for Retrofit Speakers Bluetooth-compatible Speakers ZK-502B al mejor precio

Features:Two Powering Methods,the digital amplifier module is equipped with wiring blocks and DC 2.1mm socket, compatible with most laptops power port. Two Audio Input Ways : Bluetooth-compatible 3.0/4.0/4.1 or Line in High fidelity and two-channel stereo sound quality. Reverse connection protection, over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection. No P-O-P sound when powering this module, skipping song or pausing！ Specifications:Supply voltage: DC4.5-27V Output power: 50Wx2 Size: 52x86mm/2.05x3.39inches Note:Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1xBluetooth-compatible Amplifier Board