**********Besides standard 3.5 mm AUX input, it also supports Bluetooth 5.0 to achieve faster and more stable transmission. Compatible with most home audio devices such iPod, Phone, tablet PC, computers, MP3 players, TV, Echo Dot, CD players and so on. *****Adopting TPA3116 chip whose max output power can reach 50W*2 @ 4 ohm, no audible noise and pop even at high power output, default 19V power supply is enough to drive most home bookshelf/ computer/ desktop passive speakers. *****Adopting Qualcomm 3003 Bluetooth chip, and 2PCS NE5532 op-amp are used, plug-in type design makes it easy to be replaced by different op amps.

Reasonable circuit layout and compact aluminum alloy chassis to ensure better shielding performance and clearer sound. *****Simple design without any redundant functions to ensure purer and more natural sound. Mini size with exquisite appearance looks more fashionable, very suitable for home and desktop audio system use. *****Prompt and courteous customer service. 18-month