SPECIFICATIONS Power (R.M.S) 2x 1.2 W 2x 2.5", 4 Ω Speaker Drive Units Frequency Response Control 120 Hz – 20 kHz Power on/off, Volume Signal / Noise Power 60 dB 230 VAC, 50 Hz CAUTION 1. Don't subject this speaker system to high temperature and wet environment (E.g. rain, etc.) 2. Don't open the speaker on your own, if any maintenance is needed, please call a professional service point. 3.