AudioControl LC6i Black 6 Channel Line Out Converter with Internal Summing

Road Kill RKFR6 3 Piece Foam Speaker Enhancer System Kit for 6" & 6.5" Drivers

InstallGear 14 Gauge AWG 100ft Speaker Wire True Spec and Soft Touch Cable

Stinger SI4612 12-Foot 4000 Series Professional 6 Channel RCA Interconnects

Tesa Black Fuzzy Fleece Interior Wire Loom Harness Tape for VW, Audi, Mercedes, BMW 19 mm X 15 Meters (5 Rolls)

AudioControl The EPICENTER Black Bass Restoration Processor

Scosche SAGMHR634 2006-Up Chevrolet HHR/Impala 6.5" or 6.75" Speaker Adapter

AudioControl LC2i 2 Channel Line Out Converter Wwith AccuBASS and Subwoofer Control

DS18 DB1034 Distribution Ground Block - 1 x 0GA In/ 3 x 4GA Out, Nickle Plated Internal Material, High-Strength Heat Resistant Plastic Housing, Oversized Set Screws for Secure Connections (1 In 3 Out)