Rockford Fosgate PPB1 Marine Subwoofer Source Units 87 inches (22 mm) of

87 inches (22 mm) of frontal clearance

Grille Customization: Multiple grille options provides a customized look by using either the stainless-steel grille or the “sport” grille inserts

Front High-Level: 4-Pin Molex

125 in / 257 mm External Depth (D) 5

Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz

Rockford Fosgate PPB1 Marine Subwoofer Source Units 87 inches (22 mm) ofReplacement wired remote bass with variable frequency and boost for select 2004 2006 amplifiers. Para Punch Bass remote EQ features a variable 35 70Hz frequency range and 0dB to +18dB bass boost. Cable and mounting hardware included. For use with 2004 2006 POWER ELITE amplifiers. Features: Includes bass knob, cable, mounting clip, mounting screws Conveniently mount under dash, inside center console or glovebox 0dB to +18dB bass boost @ 45 Hz Remote