Woofer: 4-inch magnetically shielded polypropylene / ceramic membrane Tweeter: 1-inch silk dome tweeter Frequency response: 60Hz - 30kHz HF - Level: -6dB ~ +6 dB variable at 10KHz LF - Level: -6dB ~ +6 dB variable at 100Hz Crossover frequency: 3kHz LF - Amplifier Power: 30W HF - Amplifier Power: 20W Signal HF / LF: 88dB / 92dB THD + N @ Rated Power HF / LF: 0.06% / 0.03% Inputs: XLR/TRS - Neutrikﾮ Combo-jack, RCA input, S/PDIF - RCA input for digital signal Outputs: S / PDIF - RCA jack for digital signal thru Input Select: Analog or Digital Channel selection: Left or Right (Digital input mode only) Input Impedance: 20 kOhm balanced, 10 kOhm unbalanced Input Sensitivity: +4 dBu (Balanced), -10dBV (unbalanced) Available colors: Red, Black Gross Weight: 6 kg / 13.2lb Net weight: 4.5 kg / 9.9lb Gross Dimensions: L287 x B255 x H346 mm L11,29 x W10,03 x H13,62 in Net Dimensions: L195 x W173 x H245 mm L7,68 x W6,81 x H9,65 in