Logitech Z-640

The z-560 is a 5.1 surround sound system (4 or 6 channel soundcard required) with 51W RMS total output power, 35Hz - 20kHz system frequency response, >75 dB SNR, and >5,000 ohms input impedance. Features 5 satellite speakers (27.5W RMS each), and 1 subwoofer (23.5W RMS). Comes with adapter that allows for connectivity with next-gen video game consoles (stereo RCA cables required).