Speakers Logitech Z533, 2.1/60W RMSP/N 980-001202 Satellites: 2 x 8 watts (into 4 ohms, @100Hz, @10% THDSubwoofer: 24 watts (into 8 ohms, @100Hz, @10% THD)Connections:Inputs: Stereo RCA, 3.5 mm auxiliary inputHeadphone jack: 3.5mmDriver Size:Satellite: 76 mm (3.0 in) convex dome driverSubwoofer: 133 mm (5.25 in) front-firing dome driverSound Pressure Level (SPL Max): >96 dBASignal -to-Noise Ratio (SNR):Satellites: 85 dB, A-weightedSubwoofer: 80 dB, A-weightedFrequency Response: 55 Hz - 20 kHzInput Impedance: 10 KohmAudio Controls:Volumn, ON/OFF on control podBass on subwooferSensitivity:Satellite: 500mVSubwoofer: 200mVhttps://www.logitech.com/en-roeu/products/speakers/z533-multimedia-speaker-system.980-001054.html