2013 Champion Series Subwoofer Line

Pioneer's Champion Series Subwoofers generate a louder and more defined sound for a better audio experience.

[@bigboy6048]

im about to get some of these

[@edrickmendez1729]

what is the diference with the model 309d4 with the new model 310d4 because it has the same spec's 400rms peak1400watts!!!