1、The power amplifier uses high-precision chip resistors to ensure a good signal-to-noise ratio of the whole machine. 2、Using aluminum alloy material, light weight, good strength, oxidation resistance to improve service life. 3、Stereo interface, make sound quality more perfect, suitable for audio system use. 4、With under-voltage, over-voltage, short-circuit, over-temperature warning and shutdown protection. 5、Perfectly suited for your desktop or a smaller space in your home or office, digital amplifier. Item Type: Audio Amplifier Material: Aluminum alloy Stereo (2 x BTL) and mono (1 x PBTL) operation Output Power When THD+N is 10%: 105W/4Ω, BTL stereo configuration 112W/3Ω, BTL stereo configuration 208W/2Ω, PBTL mono configuration Output Power When THD+N is 1%: 88W/4Ω, BTL stereo configuration 100W/3Ω, BTL stereo configuration 170W/2Ω, PBTL mono configuration Closed Loop Feedback Design: Up to 100kHz signal bandwidth for high-frequency components of high-definition sources THD+N at 1W/4Ω is 0.02% PSRR is 60dB (BTL, no input signal) Output noise (A-weighted) <75µV SNR (A-weighted)> 108dB AD or HEAD modulation scheme Low Power Operation Mode: Standby Mode: Mute, <1mA shutdown Low idle current HEAD modulation scheme Single channel BTL operation Multi-input Operation Can Simplify Preamplifier Design: Differential or single-ended analog input Integrated Protection: Undervoltage, overvoltage, cycle-by-cycle current limit, short circuit, clipping detection, overheat warning and shutdown, and DC speaker protection 90% efficient Class D operation (4Ω)How to use: 1. Accurately connect the interface according to the product identification 2. Turn on the switch to use 3. Turn off the machine after use, and then unplug the connector 1 x Antenna 1 x Amplifier 2 x Connector