Stage 2 • Loaded Package
Dual 12" Stage 2 Package for GM Trucks (Everything Included)
This is a complete bolt-in bass package for 2019–2026 GMC Sierra and Chevrolet Silverado Crew Cab trucks: CB Customs Stage 2 under-seat enclosure loaded with (2) Wāvtech Thin Pro 12’s, powered by a Wāvtech link1500.1, plus the wiring, OEM integration, harnesses, and a bolt-in amp rack. It gives you a premium OEM-plus look with custom acrylic and lighting without stepping all the way into a full Stage 5 show enclosure.
Fitment: 2019–2026 GMC Sierra & Chevrolet Silverado Crew Cab
Seat function: No seat lift required • Rear seat works normally
Install: Ship-to-you OR add install in Weatherford, TX
What you’re buying:
A fully matched sub + amp package built around our Stage 2 enclosure — designed to look clean, premium, and OEM-plus while still delivering strong daily bass.
What’s Included
Included in this package
- CB Customs Stage 2 enclosure (sealed, under-seat, premium finish)
- (2) Wāvtech Thin Pro 12" subwoofers (installed + wired in-house)
- Wāvtech link1500.1 mono amplifier
- Premium OFC 0 gauge wiring kit (power/ground + hardware)
- Kicker KEYLOC + plug-and-play harness (OEM bass roll-off correction)
- Bolt-in amp rack (mounts using factory locations behind the rear seat)
- Plug-and-play terminal cup + enclosure wiring
Look: Front + side acrylic panels with custom engraving and addressable RGB lighting
Goal: Premium OEM-plus styling with real output and full rear seat usability
Why Stage 2
Premium looks without going over the top
The Stage 2 enclosure is built for customers who want more than a basic box. It features custom acrylic on the front and sides that can be engraved and lit any color, giving the enclosure a premium custom appearance while still keeping the overall look clean and factory-inspired.
How It Sounds
Daily-driven bass that still hits
This setup is built for strong low-end with control. The KEYLOC keeps bass consistent by correcting factory roll-off, the link1500.1 gives the system authority, and the Thin Pro 12’s play low while staying tight and musical.
Before You Buy
Important info (quick answers)
- Fitment: Built for 2019–2026 GMC Sierra and Chevrolet Silverado Crew Cab trucks. If you’re unsure, contact us with your year and trim.
- Lead time: Built to order. Lead time is confirmed after purchase.
- Shipping: Ships to your door ready to install (or choose install in Weatherford, TX).
- Support: Real help before and after ordering.
- Warranty: Lifetime craftsmanship warranty on the enclosure.
Tip: When you message us, include your truck year + model + trim and whether you want “clean sound” or “max output.”
Stage 2 Package • In-Truck Video
See the stage 2 package Installed in a 2026 GMC AT4 2500
Quick walk-through showing the real fitment and details under the rear seat — clean install, premium finish, and it doesn’t interfere with rear seat function. If you want to see how this actually looks installed in the truck, hit play.
Want the full build breakdown (photos + details)? Click View Full Build below.
Fitment note:
This system is designed around the factory floor and rear seat geometry for a clean OEM-plus fit.
If you want us to confirm compatibility with your exact truck (year / trim / subwoofer option),
contact us and we’ll make sure everything is dialed in.
Questions?
Still not sure which stage or setup to go with?
Shoot us a text or call at (682) 516-3358, email sales@cbcustoms.net, or reach out below with your truck year and goals.