Sell your used gear here! The Pro Audio Used Gear Marketplace is the best place to buy, sell, or trade any music and audio equipment. This service is totally free, and unlike other online person-to-person marketplaces, there’s no selling or commission fee. Our motive here is clean: to provide an clear way for musicians and music enthusiasts to join and buy and sell their used gear. So go ahead — make deals and make friends. You’re in the Pro Audio Used Gear Marketplace.