RTB80A + RWK81 Amp Kit Bundle
1
/
of
7
Rockville
RTB80A + RWK81 Amp Kit Bundle
RTB80A + RWK81 Amp Kit Bundle
8" 400W Powered Bass Tube with MP3 Input, 8 Ga Amp Kit
Free Shipping
Regular price
$104.95
Sale price
$104.95
Regular price
$0.00
Unit price
/
per
Features
- 400W peak, 200W RMS powered tube
- Adjustable low‑pass crossover
- Includes 8 ga OFC amp kit
- Parallel 100% copper RCA
- Velcro straps and steel brackets
Couldn't load pickup availability
30-Day Money-Back Guarantee
Fast & Free Shipping
Buy Now, Pay Later
1-Year Warranty
What's Included in the box
- Rockville RTB80A 8" Powered Subwoofer Tube
- Rockville RWK81 8 Ga Amp Wiring Kit + RCA
SKU: SKU: RTB80A+RWK81 WRANGLER
View full details






Product Description
Achieve refined, modern bass in compact spaces. The RTB80A blends smoothly via speaker‑level or RCA inputs, while the included OFC wiring kit maintains current and clarity. With secure mounting hardware and a rugged finish, this tasteful upgrade is ideal for SUVs, hatchbacks, and weekend builds seeking a clean, resonant low‑end foundation.
This Bundle Includes

RTB80A
The Rockville RTB80A powered bass tube delivers focused, punch-forward low frequencies from a compact cylindrical design. Featuring an 8" woofer, 400W amplifier, and onboard tuning controls, it offers an all-in-one bass system built for clean integration and commanding in-car sound.
Learn More

RWK81
The Rockville RWK81 8 AWG Kit powers your car audio system with true-gauge wiring and 100% copper RCA cables. Flexible, durable, and engineered for clean signal transfer, it’s perfect for custom installs or upgrades, ensuring your amplifier runs cooler and delivers pure, powerful sound in any setup.
Learn More
Features
Controlled Depth
Ported tube enclosure emphasizes musical bass lines and kick drum punch with minimal footprint.
Integrated Headroom
Built‑in amplifier and variable crossover allow seamless alignment with door and deck speakers.
Reliable Power Path
8 ga OFC cabling and shielded RCAs minimize voltage drop and noise for consistent performance.
OEM‑Friendly
Accepts speaker‑level sources, simplifying upgrades to factory head units without adapters.
Secure Mounting
Steel brackets and straps keep the enclosure stable through daily driving.

Technical Specifications
- Type Powered Subwoofer Tube + Wiring Kit
- Sub Dimensions 8.75 x 19 in
- Wire Kit Fuse 60 A AGU