The Mackie XR824 Active Studio Monitor is an 8 professional studio monitor featuring a 1 black anodized aluminium tweeter and a 8 Kevlar woofer. The Mackie XR824 provides reference-quality audio for mixing and mastering applications with its wide frequency response (36Hz - 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 XR824 delivers exceptional audio performance for a range of audio applications.