ONEU Bluetooth Power Amplifier, 2 x 50W HI-Fi Class D Stereo Digtal Audio Amplifier Amp for Car Bus Home Built-in Bluetooth 4.0 for Wireless Audio Streaming, Deep Bass, Sharp and Defined trebles, Lower distortion Incredible Bluetooth Transmission Speed Largely Faster than the ordinary, Easy to set up and Simple to Use Quick Bluetooth and Speaker Connection,Bluetooth Range up to 10 feet. Pleas Note: This amplifier is only suitable for speaker with 4~8 Ohm Input Power can be DC 12V-24V Power Output: 2 x 50 Watt, Small and lightweight, Can be used at home or car Compatible with All Your Bluetooth Devices, Works with Iphone, Android, Samsung, Ipad, Tablet, PC, etc