JL Audio STACK_KIT-3 Motorcycle Speakers the XDM500/3 is built with

the XDM500/3 is built with marine-grade materials and features an exclusive

External Width (W) 36

which can be installed in one of the three wire connections to accept power rings and most factory harness battery terminations

the JD400/4 amplifier is engineered to deliver loads of clean power

25 in / 108 mm Driver Displacement 0

JL Audio STACK_KIT-3 Motorcycle Speakers the XDM500/3 is built withAmplifier Stacking Hardware Kit for three (3) Slash v2 Amplifiers This hardware kit allows you to stack three like sized Slash v2 Amplifiers. It includes four long bolts, eight aluminum spacer tubes and four replacement rubber caps to cover the bolt heads. This kit is not designed to work with the original Slash amplifiers. Support: Download STACK_KIT 3 Product Manual