STUODIOFINIX 4 Channel Mini Bluetooth Amplifier 120w for Passive Speakers with TWS,AUX,MIC,USB,Replacement Part,Suitable Wall/Ceiling/Marine/Bookshelf

【Universal Bluetooth Amplifier】Suitable for various brands of wall mounted speakers, ceiling mounted speakers, marine speakers, bookshelf speakers, and other passive speakers 【Bluetooth 5.1】Built-in bluetooth 5.1 core,with faster transmission speed, longer transmission distance, and more stable performance, compatible with multiple new and old versions of speakers, allowing you to enjoy excellent and stable output music anytime, anywhere. 【EASY TO INSTALL】Small weight mini amplifier is easy to carry and install. The flat design makes it easy to install on flat surfaces such as walls, ceilings, cabinets and pre-cut speaker openings for any flat surface in a home, office, marine boat, professional or custom audio application. 【Multi Functional Amplifier】:Mini Control Bluetooth Receiver with Bluetooth，TWS，AUX,MIC,USB,MONO fetures，connect freely and enjoy music with ease. 【What's in the Package】: 4 channel Bluetooth amplifier box * 1, 19V3A power adapter * 1, user manual * 1, screwdriver * 1, screws * 2