ST-838 2.1 HiFi Power Amplifier — 20Wx2 + 40W Sub, Bass & Treble Controls, RCA/AUX, Bluetooth-compatible 5.0

The ST-838 is a 2.1-channel HiFi stereo amplifier engineered to reproduce balanced, high-fidelity sound with dedicated low-frequency support. Output power is rated at 20Wx2 for the stereo channels plus a 40W subwoofer output to deliver deep, impactful bass. Tone adjustment is handled by independent bass and treble controls, allowing precise customization of the audio profile. For source connectivity, the unit provides RCA and AUX inputs compatible with TVs, MP3 players and other line-level devices, and it also supports Bluetooth-compatible 5.0 for convenient wireless streaming from smartphones and tablets. ST-838 Amplifier|ST-838 Amplifier Manual