General specifications: transducerswoofer 1 x 120mm, tweeter 2 x 20mm rated output power50w rms power supply100-240vac, 50hz/60hz frequency response50hz - 20khz (-6db) signal-to-noise ratio> 80 db dimensions dimensions (w x h x d)312 x 275.8 x 163.8 mm / 12.28 x 10.86 x 6.45 '' weight3.52 kg / 7.76 lbs control and connection specifications bluetooth version5.2 bluetooth profilea2dp 1.3, avrcp 1.6 bluetooth transmitter frequency range2400 mhz – 2483.5 mhz bluetooth transmitter power≤ 12dbm (eirp) bluetooth transmitter modulationgfsk, π/4 dqpsk, 8dpsk battery battery typeli-ion polymer 11.70 wh (equivalent to 3.6 v/ 3250 mah) battery charge time5 hours music play timeup to 8 hours (dependent on volume level and audio content) what's in the box 1 x onyx studio 8 1 x power cable 1 x printed materials free delivery city centre