
XS Power XSP313 Power Module
Many in-stock orders ship within 1-2 business days, but timing varies by item. Custom, built-to-order, oversized, special-order and supplier-direct products may need extra processing time. Free shipping applies to qualifying orders over $99 in the contiguous US. Approved returns may be subject to a restocking fee.
Most products are covered by the manufacturer's warranty against defects. Damage from over-powering or improper installation isn't covered — we'll help coordinate any valid claim.
Tell us your vehicle, subwoofers and electrical setup and our team will help you match the right gear. Reach out before you buy.
The XS Power XSP313 is a purpose-built car audio power module designed to manage and isolate power in multi-battery vehicle electrical systems. When your build demands a clean separation between the starting battery and the audio bank — whether for a daily-driver with a demanding stereo or a competition rig — the XSP313 delivers the intelligent control that a simple relay cannot match.
Functioning as a dual battery isolator, the XSP313 ensures your cranking battery stays protected while your audio system draws from a dedicated reserve. It integrates cleanly into existing wiring and is equally at home in street builds and show vehicles that need dependable voltage control across multiple power sources.
Specifications
| Type | Harness for XSP 310/320 Digital Voltage Controllers |
| Compatibility | GM “D” & “AD” 4-Pin Alternators – 1995 to 2008 |
Authorized XS Power dealer at JS Ultimate Sounds. Free shipping on orders $99+.
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.


