JL Audio Amplifier Stacking Hardware Kit f/HD MHD Amplifiers (HD STACK KIT) [010-13542-00] Brand_Cannon HALO 3000 with Bird +

HALO 3000 with Bird + Mode

Prestolite 7013

Materials: Marine-grade aluminum/High strength composite

durable powder-coated steel is corrosion-resistant and built to last

Box Dimensions: 4"H x 9"W x 20"L WT: 1

JL Audio Amplifier Stacking Hardware Kit f/HD MHD Amplifiers (HD STACK KIT) [010-13542-00] Brand_Cannon HALO 3000 with Bird +Amplifier Stacking Hardware Kit for HD & MHD Amplifiers (HD STACK KIT) This hardware kit allows you to stack one HD or MHD amplifier onto another. By using multiple kits, it is possible to stack multiple HD and MHD amps. The kit includes four specifically engineered mating bolts and four threaded, alloy stacking caps.