Total power output: R/L: RMS 12Wx2, SW: RMS 40Wx1 Distortion: 0.5% SNR: 85dBA Bluetooth version: 4.0 Frequency response: R/L: 300 Hz~20kHz SW: 60Hz~130Hz Subwoofer / bass unit: 5", magnetically shielded, 5Ω Midrange unit: 3" (78mm) Magnetically shielded 5Ω Tweeter unit: Φ19mm silk domed, Magnetically shielded, 4Ω Dimension: Satellites: 110mm x 247mm x 103mm Subwoofer: 283mm x 216mm x 301mm (W x H x D)