1.Experience superior sound quality with the Audio, a Bluetooth Stereo Amplifier designed for audiophiles 2.Bluetooth Connectivity: Easily pair with any Bluetooth-enabled device for wireless audio streaming 3.Compact and Durable Design: Fits perfectly in any home audio setup without taking up much space 4.High-Fidelity Sound: Ensures rich, clear, and powerful sound, enhancing your listening experience 5.Easy Setup: Intuitive controls and connectivity options make setup a breeze, even for beginners Output power: 50W + 50W Frequency range: 20Hz-20kHz Input sensitivity: 280mV Speaker impedance: 2-8Ω Bluetooth distance: 15m Signal-to-noise ratio: ≥98dB Audio source input: Bluetooth+USB+AUX Distortion: Total harmonic distortion Less than 0.5% Audio output: Banana speaker jack Amplifier chip: TRA3116 Preamplifier chip: NE5532 x 2 Input power: DC12-24V Output channel: 2.0 Protection mechanism: Overvoltage, undervoltage, overheating DC detection circuit protection Due to different batches, there may be differences in product appearance and printed text, which will not affect use Voltage: AC110V/AC220V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black Material: Zinc alloy Package Contents: 1 x Stereo 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.