Kicker DB4 Distribution Block with 1/0-8 Gauge Inputs and 4-8 Gauge Outputs Distribution Block with (2) 1/0-8 Gauge Inputs and (4) 4-8 Gauge Outputs Brass construction Small and more Functional Versa-Gauge Connection Points Wire Receptacles work with most size wire (1/0-8 Gauge or 4-8 Gauge)