For multiple amplifier systems, the V-DIST-GND 2-to-1 grounding block will ensure solid power transfer to all components with a discrete footprint. (2) 4 AWG - 10 AWG Out, (1) 1/0 AWG - 8 AWG In. Compact design for simpler installation. Solid brass construction for maximum conductivity. Nickel finish for durability. Cover included.;