Bluetooth version : 4.2 Support : A2DP 1.3, AVRCP 1.6 Transducers : Mid-high range Rated Power : 2 x 15W RMS + 1 x 100W RMS Frequency response : 45Hz – 20KHz (-6dB) Signal to noise ratio : 80dB at 15W (Mid-high range); 80dB at 100W (Subwoofer) Power supply : 100-240V – 50/60Hz Bluetooth transmitter power : 0 – 9dBm Bluetooth transmitter frequency range : 2.402 – 2.480GHz Bluetooth transmitter modulation : GFSK, Ï€/4 DQPSK, 8DPSK Dimension (H x W x D) : 283.6 x 232 x 232 (mm) \ 11.2" x 9.1" x 9.1" Weight : 3.6kg (7.9lb)