It has stereo RCA, 3. 5 mm auxiliary input and 3. 5 mm headphone jack connections. With 55 Hz - 20 kHz frequency and 85 dB signal-to-noise ratio, the system has 3" convex dome driver satellite and 5. 25" front-firing dome driver subwoofer to provide incredible sound quality. It offers loud, deep, clear sound for music, as well as movies and games. Speaker system delivers incredible audio sound with rich loudness. Has deep, intense bass and adjustable bass. 80 WATTS OF BOLD SOUND - 80 Watts Peak/40 Watts RMS power delivers maximum loudness via two satellite speakers and a large subwoofer. Enjoy rich, clear, bold sound. (Small driver (tweeter) on satellite speakers is decorative and non-operational). Color: Black, Dimensions: 7. 55"H x 4. 25"W x 3. 54"D, 9. 05"H x 9. 13"W x 6. 2"D subwoofer, 2. 12"H x 2. 16"W x 2. 16"D control pod. Frequency response: 55 Hz - 20 kHz. Suitable for use with devices, computers, game consoles, music players, mobile devices and other devices with 3. 5 mm or RCA audio output. Signal-to-noise ratio: 85 dB satellite, 80 dB subwoofer, Sound pressure level: >96 dBA, Sensitivity: 200 mV subwoofer, 500 mV satellite. Output: 40 W. Driver size and type: 3" (76 mm) convex dome driver satellite, 5. 25" (133 mm) front-firing dome driver subwoofer. Connection: Stereo RCA, 3. 5 mm auxiliary input, 3. 5 mm headphone jack. The Logitech Z333 40 W 2. 1 black speaker system is ideal to use with devices, computers, game consoles, music players, mobile devices or other devices with 3. 5 mm or RCA audio output.