XS Power XSP310-311 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 XSP310-311 power module delivers coordinated control for dual-battery car audio systems built around 16V power. By combining the functions of an XSP310 and XSP311 in one integrated unit, it streamlines installation and ensures both batteries operate as a properly managed pair rather than two independent cells fighting each other.
Competition builders and serious daily-driver enthusiasts alike benefit from this voltage control module approach — your starting battery stays protected, your audio reserve stays charged, and the dual battery isolator logic keeps everything balanced no matter how hard the amplifiers are working. It is a straightforward way to add professional-grade power management to a high-output car audio system.
Specifications
| Type | Dash-Mounted Voltage Controller |
| LED Readout | Red |
| Alternator Compatibility | GM “SI” Alternators – 1969-1988 |
| Wiring Harness | Custom Harness Included |
| System Voltage | 12, 14, or 16-Volt Systems |
| Alternator Type | Stock & Aftermarket Alternators |
| Warranty | 1 Year Warranty |
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.
