1、Wireless and Wired Inputs: Features Bluetooth 5.2 for wireless input and dual radio corporation of America wired input. With an automatic relay control switch, Bluetooth takes playback priority. 2、Independent Bass and Treble Control: Bluetooth 5.2 amplifier is designed with independent bass and treble control knobs, allowing you to adjust the sounds based on users preference. 3、TPA3116 Digital Amplifier IC: Uses TPA3116 digital amplifier IC for powerful output, minimal heat production and low distortion at high frequencies, providing dynamic and immersive sound experience. 4、Solid State Capacitor Advantage: Solid‑state capacitors offer high stability, long life span, low equivalent series resistance and high rated ripple current, making it ideal for high end sound equipment. 5、Mount Power Shielded Inductor: The signal can be shielded, noise can be filtered, current can be stabilized, and EMI can be suppressed, achieving a more pure and enjoyable musical performance. Item Type: Bluetooth 5.2 Amplifier Material: Aluminum Alloy Bluetooth Module: Bluetooth 5.2 Sound Input: Bluetooth 5.2 Radio Corporation of America Radio Corporation of America Input Level: ≥3vrms THD＜1% No Distortion Rated Power: 200W 4Ω, 100W 8Ω Frequency Response: 20-20kHz (±2db) Signal to Noise Ratio: 86db Distortion: ≤1% Output Impedance: 4-8Ω 1 x Bluetooth 5.2 Amplifier 1 x Supply Cord 1 x Adapter 1 x User Manual 1 x Receiver Stick