ST-838 2.1-Channel HiFi Amplifier — 20Wx2 + 40W Subwoofer, Bass & Treble Controls, RCA/AUX, Bluetooth 5.0, Multiple Modes

ST-838 2.1-channel HiFi amplifier built to deliver clear stereo performance with a dedicated low-frequency channel. Power ratings: 20Wx2 for the left and right channels plus a 40W subwoofer output to reproduce deep, impactful bass. Tone shaping is simple thanks to independent bass and treble controls, so you can fine-tune the sound to your preference. For source flexibility the unit offers RCA and AUX inputs compatible with TVs, MP3 players and other line-level devices, while Bluetooth 5.0 provides stable wireless streaming from smart devices. Switch easily between wired and wireless inputs — multiple modes make it adaptable to desktop systems, small home theaters or compact audio setups.