["Description:\r\nbrand new and high quality\r\nFeature:\r\nThis is Nobsound's new power amplifier. Based on our previous product, we enhance its output power and improve its functionality, while still keep its mini size and elegant design.\r\nDespite its mini size(can be hold with one hand), the output power is improved to 100W(50Wx2) with the upgraded chip TPA3116. You will be amazed by its output power compared to its size when you see it.\r\nSupporting for AUX/USB/Bluetooth-compatible input. You can enjoy your music in different ways. The Bluetooth-compatible function is also upgraded. Now it is more stable and faster.\r\nWe need to mention that with the USB input, music can be played losslessly(Like connecting with a computer. By the way, you don'for t need to install a driver). You will be surprised by the sound quality.\r\nBluetooth-compatible Power Amplifier only, other accessories demo in the picture is not included!\r\n\r\nSpecifications:\r\nItem Type: Bluetooth-compatible Power Amplifier\r\nSize: 77x70x38mm/3x2.7x1.4in\r\nColor: As shown in the picture.\r\nPower: 50W+50W\r\nPower Supply: DC9V-24V\r\nBluetooth-compatible Connection Distance: 10 meters or less\r\nBluetooth-compatible Version: 4.0+EDR\r\nChannel: 2.0\r\nImpedance: 4-8 ohms\r\nQuantity: 1 Set\r\n\r\nNote:\r\nNo retail package.\r\nTransition: 1cm=10mm=0.39inch\r\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Includes:\r\n1 x 50Wx2 Bluetooth-compatible Power Amplifier\r\n1 x AUX Input Line\r\n1 x RCA Audio Cable\r\n1 x User Manual"]