S-299 4*400W 4.1CH Mini Power Amplifier for Home & Car — Bluetooth USB/SD/AUX, Remote, DC/AC

Compact S-299 4.1CH mini power amplifier delivering 4*400W output. Designed for home theater or in-car use, it accepts DC/AC power input for flexible installation. Connect up to four speakers rated at 40 watts each and add an active subwoofer (no power limit) for extended low-end. Playback from USB or memory card is noise-free, and the unit reads memory cards/USB drives directly. Inputs and controls include Bluetooth (BT), USB, SD/memory card reading, and AUX, plus a remote control for convenient operation. The front panel sports a premium blue display, presented as more upscale compared with the red-screen option.