M-audio Bx6 Carbon Active Studio Monitor.

Features a 6-inch woven Kevlar low-frequency driver and a 1.25-inch silk-dome tweeter. Equipped with 130 Watt Class A/B bi-amplification for high power with less noise. Provides a flat frequency response from 45 Hz to 22 kHz. Includes Acoustic Space Control calibration switches to adapt to various mixing environments.