The AKXP4-1 is an XS Power amplifier wiring kit. XS Power lists it as: Amp Kit, XP Flex 4 AWG, Power Cable, Speaker Cable, Signal and Remote. The specifications below come directly from XS Power's June 2026 distributor data. Verify voltage, group size, polarity, dimensions, and application requirements before ordering.This Listing Includes: (1) XS Power AKXP4-1 Amp Kit, XP Flex 4 AWG, Power Cable, Speaker Cable, Signal…Specifications Model AKXP4-1 Product Type Amp Kits Package Length 11 in. Package Width 9.75 in. Package Height 2.5 in. Package Weight 3.25 lbs. UPC 692209052142 Warranty 1 year — view warranty (PDF) Available from JS Alternators.PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling.For more information, visit www.P65Warnings.ca.gov.