Atrend Bbox Series Subwoofer Boxes For Gm Vehicles (10" Single Downfire, Gm Ext Cab) Pots and Pans Bandpass alignment for extra deep

Bandpass alignment for extra deep bass

Multiple settings for browning level

Includes 1 active speaker 1 passive speaker built-in 2-channel amp & spring-loaded mounting brackets

USB reader function

UHF-4 receiver with DigiTRU Diversity(TM) for maximum range & dropout protection

Atrend Bbox Series Subwoofer Boxes For Gm Vehicles (10" Single Downfire, Gm Ext Cab) Pots and Pans Bandpass alignment for extra deepFits 1999 & up GM(R) Extended Cab (ultradeep) MDF construction . 75" speaker baffles Completely carpeted enclosure with rounded edges Custom built for vehicle application Screwed down terminal cups Completely glued & braced 10" single downfire