Filter Filters Wire Reducer Remove All Filters Price Under $50 (5) Condition New (5) Brand Harmony Audio (2) Stinger (2) Install Bay (1) Wire Gauge 1/0 Gauge,4 Gauge (3) 4 Gauge,8 Gauge (2) Qty Package 1 (1) InstallBay IBCPLR1 0 Input to 4 Awg Output Wire Gauge Reducer in Nickel Finish $8.63 Harmony Audio HA-WR04 Car Stereo Power or Ground 1/0 to 4 Gauge Wire Reducer... $6.95 Harmony Audio HA-WR48 Car Stereo Power or Ground 4 to 8 Gauge Wire Reducer -... $6.95 (1) Stinger SPT522 4 Gauge to 8 Gauge Power Wire Reducer $12.95 Stinger SPT521 1/0 Gauge to 4 Gauge Power Wire Reducer $12.95