LD Systems Roadman 102 B6, Active Battery-Powered Speaker, Made from shock-resistant plastic for mobile applications, Speaker assembly: 10""/1"", Max. SPL (sound pressure level): 115 dB, Power: 100 W RMS, Frequency response: 70 - 16,000 Hz, Built-in battery (up to 5 hours runtime), CD/MP3 player with remote control, USB/SD port and volume control, 1x UHF PLL 16 CHN wireless receiver with frequency range: B6 655 - 679 MHz, Includes a handheld transmitter with dynamic capsule, 2x Mic/Line combo input, Speech/Music switch, 1x XLR input, 1x XLR line output, RCA LR input and output, Speaker jack outputs, 2-Band equalizer (bass/treble), Switchable voice priority (talkover), DC input: 24-32 V / 4 A, 100 - 240 V internal switched-mode power supply, Integrated flange mount, Output for optional slave box, Optional second wireless unit can be installed (not included), Dimensions: 355 x 610 x 315 mm, Weight: 19 kg, Suitable covers available under Article Nr #320485# and Article Nr #493423# (both are not included, must be ordered seperately)