Filter Filters Wire Reducer Remove All Filters Price Under $50 (7) Condition New (7) Brand Harmony Audio (3) Install Bay (2) Stinger (2) Wire Gauge 1/0 Gauge (1) 1/0 Gauge,4 Gauge (3) 4 Gauge (1) 4 Gauge,8 Gauge (2) Qty Package 1 (2) InstallBay IBCPLR2 4 to 8 Gauge Wire Reducer Accessory - Made of Nickel $8.63 Stinger SPT521 1/0 Gauge to 4 Gauge Power Wire Reducer $12.95 Stinger SPT522 4 Gauge to 8 Gauge Power Wire Reducer $12.95 InstallBay IBCPLR1 0 Input to 4 Awg Output Wire Gauge Reducer in Nickel Finish $8.63 Harmony Audio HA-WC4 Car Stereo Power or Ground 4 Gauge Wire Splice Coupler -... $5.95 Harmony Audio HA-WC0 Car Stereo Power or Ground 1/0 Gauge Wire Splice Coupler... $6.95 (1) Harmony Audio HA-WR48 Car Stereo Power or Ground 4 to 8 Gauge Wire Reducer -... $6.95 (1)