Experience superior sound quality with the AV-660BT, a versatile 2.0 channel sound amplifier designed for a variety of audio setups. Whether you're enhancing your home theater, setting up audio for a meeting, or upgrading your car's sound system, this amplifier ensures powerful and clear audio reproduction. Supports multiple input sources including USB and SD Card. Equipped with two microphone inputs for karaoke or presentations. Includes built-in FM radio for audio settings. Upgrade your audio experience with AV-660BT and enjoy crisp, dynamic sound across all your entertainment platforms. Rated power: 180W+180W Rated frequency: 50 Resolution: 20-20khz Distortion rate: 0.25 Signal to noise ratio: -80dbn Impedance: 4-16 Amplifier type: AV amplifier Interface type: Cable clamp Receiving method: Bluetooth/radio Due to different batches, there may be differences in product appearance and printed text, which will not affect use Voltage: AC220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Colour:Black Material:iron Package Contents: 1 x remote control 1 x Sound Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.