S-299 4.1 Channel Digital Power Amplifier 4*40W — Bluetooth5.0, USB/SD, Remote | Car & Home Dual-Use (DC 12V-14V)

Compact S-299 4.1-channel digital amplifier that delivers 4*40W (40W × 4) of power for both car and home installations. Designed to run from DC 12V-14V, it provides strong, low-distortion performance for boats, RVs, golf carts and desktop systems alike. Flexible channel configuration: the 4.1 channel architecture can be split into two independent 2.0 channel groups with separate volume control for each group. A dedicated low-frequency output is provided for connecting an active subwoofer, making it simple to build 2.0, 2.1, 4.0 or 4.1 speaker setups. Speaker compatibility and sound control: this amp supports speakers with 4-8 ohm impedance and is capable of driving most home and car speakers with clear, accurate reproduction. Onboard knobs let you adjust master volume plus treble and bass to fine-tune the sound. Multiple playback and input options: connect wirelessly via Bluetooth5.0 or use wired inputs including stereo RCA and 3.5mm AUX. Local playback supports USB (U-disk), SD and M-MC cards so you can enjoy high-quality music files without an external source. Compatible with smartphones, tablets (e.g., iPad), MP3 players, CD players, computers and decoders. Convenience features: an LED display shows real-time operating status and the included remote control makes operation easy whether indoors or outdoors. Parameters: Audio input: / USB(U-disk) / Bluetooth5.0 / stereo RCA / 3.5mm AUX / SD & M-MC Card