Age is a perfect choice for those who need lots of features, all packed into robust portable chassis. With 100 watts max power and a total of 2 wireless microphones, this great system is ideal all your needs including fitness & dance classes and outdoor sporting events! Ak10-202 portable pa speaker with casters usb sd mp3 Mobile and active pa system with 10" bass driver and 100w amplifier power 18w rms speaker load (equivalent to 100w max.) Supplied with vhf wireless microphone and headset Built-in battery with long lead times Mp3-capable usb and sd input for playback of mp3 songs to portable usb and sd mass storage devices such as mp3 players and usb flash drives Weatherproof, rugged abs housing Suitable for stand mounting Stackable series Connections: 1 x usb, 1 x sd input, 2 x 6.3 mm jack, microphone input, 3.5mm aux input & output, 1 x 12v terminal connection Playable formats: mp3, wma Frequency wireless microphones: 174-270mhz Mp3-control section, with a led display and repeat function Equalizer - bass and treble adjustable Adjustable echo effect Mic section with removable telescopic antennas, separately adjustable microphone volume, master volume and microphone operation leds Adjustable master volume On and off switch on the microphone Microphone priority function Sensitivity: 97db Frequency response: 40hz to 20khz Mute Microphone power supply: 9v battery Power box: 230v, 50hz Recommended use: Fitness gym & zumba classes Mobile disco karaoke, dj & pa applications Play ipod, mp3, cd or laptop Usb & sd inputs for immediate music playback Set includes: 1 x shier ak10-202portable pa speaker with casters usb sd mp3 2 x handheld wireless microphone set Standard packing