Car Audio - Power Connections - Amplifier Connection Kits JL Audio Premium Power Connection Systems include everything you need to create secure power connections to one or two JL Audio amplifiers: Real copper power and ground wire built to True AWG specification, a master fuse block with fuse and a well-engineered grounding solution. The 2-amplifier Systems also include a fused distribution block for maximum system protection. Amazon: jl wiring kit Amazon: jl wiring kit. JL Audio Core Single Amplifier Connection System 60-AMP Capacity / Mono Subwoofer Amplifier - 500 Watts RMS X 1 At 2 Ohms W/ Remote Bass Control Amp Kit. by CACHE, JL AUDIO. 5.0 out of 5 stars 1. $234 $ 234. 99. FREE Shipping.