Output power: r/l (medium and treble): 8w+8w sw: 18w 68 watts peak power output with 5’’ woofer Signal to noise ratio: r/l: >85db(a) sw: >80db Input sensitivity: aux input r/l: 500±500mv sw: 110±20mv Bluetooth input: r/l: 500±50mffs sw: 110±20mffs Input port: aux, bluetooth Frequency response range: r/l: 210hz-20khz sw: 63hz-206hz Total harmonic distortion of sound pressure: <7%. Connectivity : Bluetooth & Wired Input Interface : 3.5mm AUX, Bluetooth