Pearl PCJ-633BB Boom Box Cajon, Artisan Red Mahogany. Pearl's new Boom Box Cajon is creates never-before-heard low-end frequencies from a Fiberglass Cajon! This Cajon features the high-quality construction you expect from Pearl, with a fixed snare system and a built-in bass port for subsonic frequencies you have to hear to believe! Finished in a rich Artisan Red Mahogany, this is a perfect addition to any drummer or percussionists' rig.