Stinger 4000 series the perfect choice for more sophisticated car audio systems. POWER AND SPEAKER 10 GAUGE WIRING KIT Kit includes: - (1) 17Ft. 4000 Series 2 channel audio interconnect (si4217) - 3Ft. Matte black hyper-twist 10ga ground wire - 18Ft. Matte red hyper-twist 10ga power wire - Tinned