The Mackie XR624 Active Studio Monitor is a 6.5 professional studio monitor featuring a 1 black anodised aluminium tweeter and a 6.5 Kevlar woofer. The Mackie XR624 provides reference-quality audio for mixing and mastering applications with its wide frequency response (45Hz - 22kHz) ensuring you hear every nuance of your source audio. The ELP Bass Reflex System is engineered to provide greatly increased output capability as well as an extended low-frequency response. Driven by the 160W bi-amplified Class-D amplification the Mackie XR624 delivers exceptional audio performance for a range of audio applications.