HERE WE HAVE AN  AWESOME SOLUTION TO THE RUN OF THE MILL SOUND BARS! THIS UNIT FEATURES FOUR 6.5 COAXIAL SPEAKERS AND IS POWERED FROM A EXTERNAL AMP WHICH GIVES YOU WAY MORE POWER AND WAY MORE PRECISE CROSSOVER CONTROL RESULTING IN A LOUDER MORE CLEAR UNIT THAT WILL SPANK ANY SOUNDBAR ON MARKET IN VOLUME AND BASS! THIS IS SOLD AS A COMPLETE PACKAGE WHICH INCLUDES AMP FIBERGLASS BAR LOADED WITH YOUR CHOICE OF SPEAKERS WITH BAR CLAMPS AVAILABLE FROM 1.50/2.0″ ALL POWER GROUND AND REMOTE WIRES NEEDED AND EVEN POWERBASS DASH MOUNT BT CONTROLLER. PACKAGE COMES WITH AMP SETTINGS SET ALL YOU HAVE TO DO IS WIRE IT UP CLAMP TO BAR AND GO! MEASUREMENTS ARE 43 WIDE 7 TALL 4 DEEP.