The DJ Speaker 21 Inch 1999 plus 1500 Watt Model GL21X3500HD » is engineered for massive sound output and deep bass performance. Designed for large DJ setups, concerts, and outdoor events, this speaker delivers powerful low frequencies with excellent clarity. The robust build ensures durability during heavy use, while the high efficiency design supports stable performance at high volume levels. As a product of the glabs sub brand, it reflects the professional manufacturing standards of ATI Pro Technologies, making it a reliable choice for DJs and sound professionals who demand impact and consistency.