Max Output Power: 200W 2/4 Ohm. Simplified Theater System - 6 Inputs: Supports various external signal sources, USB, AUX, Optical, Coaxial, BT5.3, HDMI (ARC). Small but Powerful HiFi Amplifier: Dual-channel stereo amplifier provides you impressive 100W RMS per channel at 4 ohms, paired with the TPA3221 professional chip, allowing you to enjoy high-quality amplified audio.