R1700BT Total power output: RMS 15W x2 (treble) + 18W x2 (bass) (DRC ON) Signal to noise ratio: 60Hz-20KHz （±6dB） Frequency response: R/L 4.0KHZ-20KHZ | SW:30Hz-3KHZ Distortion: ≤0.5% Input sensitivity: PC: 700mV±50mV | Aux: 550mV±50mV Audio input: PC, AUX, Bluetooth Adjustment (remote): Wireless remote control for audio source selection, mute and volume adjustment. Adjustment (Unit): Volume, bass and treble adjustment Treble unit: Φ19mm silk dome tweeter Bass Unit: 4 inch (116mm) Dimension each Speaker: 154 mm x 254mm x 214mm (W x H x D) Weight: 6.6kg/7.6kg (net/gross)