Harman Kardon Aura Studio 4 Bluetooth Speaker

Bluetooth version: 4.2 Support: A2DP 1.3, AVRCP 1.6 Transducers: 40 mm x 6 pcs (Mid-high range); 130 mm x 1 pc (Subwoofer) Rated power: 2 x 15 W RMS + 1 x 100 W RMS Frequency response: 45 Hz – 20 kHz (-6 dB) Signal to noise ratio: 80 dB at 15 W (Mid-high range); 80 dB at 100 W (Subwoofer) Power supply: 100 – 240 V ~ 50/60 Hz