For years GMC/Chevy truck owners have had few options for sub bass enhancement in their pickup trucks. Now, OBCON is changing all that with the Q Series Slot Vent custom truck design sub boxes. Whether you drive a Silverado or Sierra OBCON's unique design slot vent delivers mind pounding bass tighter and clearer than ever before. And it is all credited to OBCON's unique Labyrinth design Slot Venting system. To learn more about OBCON's Labyrinth Slot Vent Design Click Here 360-425-6974 ext 202~Email:info@speakerboxesusa.com~ Instant Answers via Live Chat.
