Refer to images for more information this equipment is USED, the lights has been tested, one of them don’t light up but the power supply works it may need the lamp, the music mixer box the black one after connected all equipment inside light up. the whole equipment including speaker has some wear and tear this is a heavy duty equipment mainly use for dj and parties. There are some more equipment available that will be throw in the mix if the equipment sell, don’t know much about this equipment I’m not a DJ. But I believe there is some extra mixer and amplifyers SELL AS IS NOT MONEY BACK NOT RETURN NO EXCHANGE NOTE: REMEMBER I’M NOT A DJ, DID NOT TEST THE SPEAKER OF SUBWOOFER, BUT IT SHOULD WORK THAT IS MY GUESS. IN TOTAL THERE IS 12 ITEMS AND MORE WILL BE THROWN IN AFTER PURCHASE AT NO COST TO BUYER.