M-Audio BX4 Studio Monitors Features:

• Offers a studio-quality upgrade from subpar multimedia speakers
• High-quality 4.5-inch Kevlar woofer and 1-inch silk dome tweeter ably cover 69Hz–22kHz
• Computer-optimized tweeter waveguide ensures precise imaging
• Enhanced rear port delivers extended low-frequency response
• Acoustically inert MDF cabinet with a bass reflex design yields a deep, rich sound
• High- and Low-EQ controls make dialing in your sound easy
• Left/Right Active Speaker Position switch configures which side has a volume control
• 1/4-inch, 1/8-inch, and RCA inputs accommodate just about any audio source
• An 1/8-inch to 1/8-inch cable and an 1/8-inch to RCA cable are included
• Comes with Pro Tools | First M-Audio Edition and 20 Avid effect plug-ins