Proel V10 Free, Battery Powered Mobile Speaker, 2-Channel Class D amplifier with SMPS for 400 W peak / 200 W RMS power, Equipped with: 10"" Woofer and 1"" tweeter, Integrated 3-channel mixer with MP3 USB and Bluetooth as well as effects, Long-lasting lithium-ion battery for up to 10 hours of operation, 2 Mic / line inputs: XLR + 6.3 mm jack, 1 Line input: RCA or mini-jack, 2 Wireless inputs: USB, 2-Band equaliser, Frequency range: 50 - 20000 Hz, Maximum level: 123 dB, Battery: 11.1 V / 8000 mAh Li-ion, Charging time: 5 hours, Dimensions (W x H x D): 330 x 514 x 286 mm, Weight: 10 kg, Suitable USB radio receiver (not included): Art.#480418# or Art.#480419#, Suitable cover: Art.#513760# (not included)