Speakers Logitech Z333, 2.1/40W RMS P/N 980-001202 Satellites: 2 x 8 watts (into 4 ohms, @100Hz, @10% THD Subwoofer: 24 watts (into 8 ohms, @100Hz, @10% THD) Connections: Inputs: Stereo RCA, 3.5 mm auxiliary input Headphone jack: 3.5mm Driver Size: Satellite: 76 mm (3.0 in) convex dome driver Subwoofer: 133 mm (5.25 in) front-firing dome driver Sound Pressure Level (SPL Max): >96 dBA Signal -to-Noise Ratio (SNR): Satellites: 85 dB, A-weighted Subwoofer: 80 dB, A-weighted Frequency Response: 55 Hz - 20 kHz Input Impedance: 10 Kohm Audio Controls: Volumn, ON/OFF on control pod Bass on subwoofer Sensitivity: Satellite: 500mV Subwoofer: 200mV