ANT BBM 3 BP, Passive 2-Way Speaker, 3.5"" Woofer, 0.8"" Neodynium dome tweeter, Frequency response: 140 - 20,000 Hz, Rated power: 20 W RMS, Impedance: 8 ohms, 10 W / 20 W / 40 W / 80 W at 70 V and 100 V., IP55 certified (protected against dust and water jets), M5 / M6 mounting holes for suitable brackets, Dimensions (W x H x D): 135 x 221 x 137 mm, Weight: 2.1 kg, Colour: Black