M-Audio BX4 4.5" Powered Studio Monitor (Pair) 4 Channels two AA batteries or the

two AA batteries or the optional 5

It owes its success to a group of dedicated designers with great vision

Jimmy's model measures in between a 5A and a 5B in the grip

Sound Isolating™ technology

and superior durability

M-Audio BX4 4.5" Powered Studio Monitor (Pair) 4 Channels two AA batteries or theFeatures 4. 5" Kevlar low frequency drivers; 1" natural silk dome tweeters New computer optimized tweeter waveguide for precise imaging High EQ and Low EQ controls for dialing in the perfect sound Enhanced rear ports for extended low frequency response Left right Active Speaker Position switch for configuring which side has volume control 1 4", 18", and RCA inputs for connecting to virtually any audio source Front 1 8" AUX input for quick connection