AK380 Bluetooth-Compatible Audio Amplifier 2 Channel Digital Subwoofer Amplifiers Karaoke Home Theater HIFI Bass 40W+40W Music Player USB AUX Karaoke for Home CarFeature:1.Connect multiple devices:The power amplifier can be connected to mobile phones, computers, tablets, laptops, MP3s, televisions and projectors with A audio (lotus socket) or 3.5m headphone output holes. All kinds of mobile phones on the market can be connected via Bluetooth-compatible to realize wireless playback.TF card, AUX, U disk, MP3 format playback, support Bluetooth-compatible wireless connection.2. Compact and Portable:Mini HIFI digital Bluetooth-compatible audio power amplifier.3. Support FM stereo radio: the audio power amplifier is support FM stereo radio.And with remote control function.4. Rated power: 40W+40W. With treble, bass and volume control, it is very easy to use.5. Suitable For:DC/AC power input, suitable for home or car.Low distortion provides clearer, stronger, and more powerful sound.Specification:Origin: Mainland ChinaMaximum Power Per Channel: 40WModel Number: Audio AmplifierChannels: 2 (2.0)Name: HiFi Bluetooth-compatible power amplifierColor: blackMaterial: aluminum alloyRated voltage: 12V (not included)Rated power: 40W+40WRated frequency: 20-20KHzResolution: 47KSignal to noise ratio: 90dBImpedance: 4-16 Channel: 2.0Bluetooth-compatible protocol: 5.0Bluetooth-compatible distance: about 10m (barrier free)Receiving mode: audio inputAmplifier type: HIFI amplifierAudio input: RCA stereo audio, Secure Digital card, U disk, USB audio input can be connected to computer/mobile phone/OTG/tablet 0TGProduct size: 155x85x45mm/6.1inx3.3inx1.7inNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.1 x Bluetooth-compatible Power Amplifier1 x Remote Control1 x Instructions