SALE: XS POWER 1208 CHARGERS AND SUPERBANKS

GP Car Audio Is Your #1 Source for Sundown Audio, Deaf Bonce, XS Power & Much More!


15% OFF All Sundown Audio: Sale Ends July 6th 2026

Serving The Car Audio Community Since 2014

GPcarAudio.com

CALL US: 417-765-0080

WHAT CAN WE HELP YOU FIND?

BUILD YOUR ELECTRICAL RIGHT

HOW MUCH POWER ARE YOU RUNNING?

Slide the meter and get an instant starting-point estimate for wire size, battery reserve, alternator output, fuse capacity, and cable runs.

500 W 5K 10K 20K 30K+
GP ELECTRICAL ESTIMATE

Your system may need:

STRONG DAILY BUILD
⚡
Recommended wire
1 run of 2/0 OFC
Or 2 runs of 1/0 OFC
🔋
Battery capacity
40–80 Ah lithium
XS Power lithium recommendation
⟳
Alternator output
320–400 A
Recommended charging setup
▰
Main fuse target
350–450 A
Suggested total system fusing at 100 amps per 1,000 watts
≡
Cable runs
2 positive + 2 negative runs
Shows both 2/0 and equivalent 1/0 power-and-ground run options
Estimated current demand 483 A Calculated at 13.8 V and approximately 75% amplifier efficiency.
SHOP ELECTRICAL UPGRADES

Planning estimate only. Always follow your amplifier manufacturer's fuse recommendation, confirm cable ampacity for the installed length, verify each amplifier's manufacturer fuse recommendation, and confirm the vehicle charging system can safely support the load.

Featured collection

View all

MARTS DIGITAL AMPLIFIERS

View all

Sundown Audio

View all

NOW AVAILABLE

BUY NOW!

FEATURED PRODUCTS

View all

Team GP Undertaker v.2

View all

5,000 Watts RMS

The Team GP Undertaker v2:

NOW AVAILABLE!

Sub & Box Combo Specials

View All

SAVE

$389.99

COMBO DEAL: SUNDOWN NSv6 12" + SIA3500.1 + TRU SPEC ELITE XXL BOX

Shop Now

Save

$319.99

Zv6 12" + Tru Spec Elite Box

Shop Now

SAVE

$49.99

Sundown SAv2 12" + Tru Spec Box

Shop Now

SAVE

$67.98

2x Sundown SA 8 v.3 + Tru Spec Box

Shop Now
Standard shipping is FREE for all orders to the 48 contiguous states FASTER SHIPPING OPTIONS AVAILABLE
View all

TOP SELLING PRODUCTS

GP's Ultra Pure OFHC Copper Wiring for the best. Tru Spec Pure Copper Wiring for the budget. Both SAE Certified, Made In The USA.

Shop Products

DEAF BONCE FEATURED PRODUCTS

View all

DEAF BONCE

AMAZING MIDS & HIGHS, SUBS, AND AMPS

SHOP NOW

Team GP Undertaker v2 12" Subwoofer UT12 5,000 RMS

Key Features

● 93 lbs (1,488oz) motor weight

● 5,000 Watts RMS

● 4" thick round wire coil x 100mm (3.93") Winding Height (this is HUGE)

● Novel heat-extraction through the pole to the back plate

● High velocity pole vent and gap vents

● Extremely high motor force factor

● Full magnet ID shorting ring (pole cap doubles as a 2nd shorting ring)

● Special back-plate feature; allows you to add an additional heat-sink (expandable heat sink currently in R&D) OR use it to bolt the motor to a support inside the enclosure

● Fully custom tooled triple stack 270mm magnets (10.63" Diameter)

● Fully bolted motor / interlocked

Shop Now

Featured Product

An In-Depth Look at GP Car Audio's Featured Product of the Week.

  • Free shipping

    for all orders to the 48 contiguous states.

  • Guaranteed Lowest Prices

    All items are priced at MAP Pricing. If you find something for less on a legit site, show us and we will match it!

  • Want it now?

    Multiple Financing Options Available

  • Chat facility

    Talk to a real person

You Need It, We Got It

From amps to speakers, GP Car Audio has everything you need to elevate your ride’s sound system.

Shop Subs Shop Amps
✕ Thank You! Your submission has been received.
Back to top