Logitech Z407 Bluetooth computer speakers with subwoofer and wireless control 40 W Graphit 2.1IMMERSIVE AUDIO: Immerse yourself in lifelike stereo quality sound without compromise. The 2. 1 speaker system features 40 watt RMS and 80 watts of peak power for sound that's bigger than it looks 20 WATT BASS: Digital signal processing produces a deep, clear bass, for superior performance. The speakers ported, down firing subwoofer brings music, movies, and gaming to life with rich detail TOTAL WIRELESS CONTROL: Adjust your audio from across the room