WIFI:NoBluetooth:Yes Output Power:50W Built-in Battery:No Output Type:LINE OUT (AUDIO OUT) Input Type:LINE IN (AUDIO IN) Origin:Mainland China Compact Digital Amplifier : The YS-AP50L50W + 50W Mini Digital Stereo Amplifier is a compact yet powerful amplifier, perfect for portable use and ideal for enhancing your audio experience. Bluetooth 5.0 Compatibility : Equipped with Bluetooth 5.0 technology, this amplifier ensures seamless streaming and transmission of high-quality sound, enhancing your music enjoyment. 50WX2 Speaker Power Amplifier : With its 50WX2 speaker power amplifier, this device delivers robust sound output, filling any room with rich, clear, and distortion-free audio. LINE IN (AUDIO IN) Input Type : The LINE IN (AUDIO IN) input type allows for easy connection of various audio devices, making this amplifier versatile and adaptable to different listening needs. LINE OUT (AUDIO OUT) Output Type : The LINE OUT (AUDIO OUT) output type ensures high-quality sound output, enhancing your listening experience. Portable Power Amplifier : As a portable power amplifier, its designed for easy carrying and use anywhere, making it perfect for outdoor camping trips, beach parties, or any event where you need a powerful yet portable audio device. Description Report Item / Suspicious Activity Features: brand new and high quality Multiple inputmodes, blufootball-compatible 5.0 + to + USB flash disk + USB sound card. Mechanical volume knob, turn the knob to switch the machine on and off, no need to press and wait to see the indicator light. True stepless tuning. The higher the power supply voltage, the greater the output power, the smaller the speaker impedance, and the greater the output power. AUX input, easy to achieve stereo playback sound. Simple appearance without exaggeration. Specifications: Material:ABS Model: YS-AP50L Transmission distance: 15 meter Power supply: DC12-24V Number of channels: left and right dual channel (stereo) Speaker adapter: 30,000X16 Size:Apporx. 52x52x22mm/2.04x2.04x0.86 inches Package Includes: 1x Power Amplifier Board 1x Accessory Kit