Features: Total power output:RMS 24W ? 2 (THD+N=10%)Signal to noise ratio:85dBA Distortion:0.5% Audio input:Dual RCA input (RCA - RCA and RCA to AUX)Adjustment:Master volume control, bass adjustment controlFrequency response:70 HZ-20 KHZ +/-9dbInput sensitivity:PC:700±50mV AUX:550±50mV (THD+N=1%)Subwoofer / bass unit:4 inch (106mm) Magnetically shielded, 6ΩTweeter unit:13mm silk domed tweeter, Magnetically shielded, 4ΩLength (cm): 34,0Width (cm): 25,5Height (cm): 26,0Net Weight (kg): 4,40Gross Weight (kg): 19,00Pieces per box: 4