T-Spec V10-D108K 8 Gauge Add-A-Amp Kit f/4 Gauge Wire [V10-D108K]V10 D108K 8 Gauge Add A Amp Kit for 4 Gauge Wire If you've already installed a 4 AWG amplifier wiring kit in your boat, the T Spec V10 D108K 8 AWG wiring kit will let you add another amplifier to your system. This water resistant kit includes everything you need to send power to your new marine amplifier. With 8 AWG wire, you'll get long life and maximum power transfer. This kit includes two brass distribution blocks, 10' power and ground wires, a 20'