S.M.S.L A50 PRO HiFi Power Amplifier, High/Low Pass F, 2.1-Channel, Infineon's MA12070P Chip, Bluetooth 5.0/USB/Optical/HDMI/AUX input Passive subwoofer with adjustable volume, with Remote Control

Getting ten crossover frequency points adjustable for High-pass and low-pass each. Subwoofer's volume can set it separetely,which perfectly can use well for different main speaker and passive subwoofer and build your real 2.1 speaker system. Passive subwoofer with adjustable volume and high power: The A50 Pro provides 100 watts of passive bass output power. lt effortlessly handles various speakers and scenarios, allowing you to adjust the subwoofer volume from S00 to S99 as desired. Multiple EQ presets：This digital amplifier features multiple EQ presets, allowing it to adapt to various music styles and provide a diverse listening experience. Additionally, it has bass and treble adjustments, with a customizable range of ±9 levels. Higher versatility Supports multiple devices：USB-Cport supports driver-free use.HDMl (ARC) is compatible with most televisions and also equipped with optical input and AUXinput. it's suitable for almost all audio connections. 12-month warranty, you can return the item or replace a new one if you have any problems.