Support
Rockville
K5 W12K5S4 12" Subwoofer + RXA‑T1 Amplifier Bundle
K5 W12K5S4 12" Subwoofer + RXA‑T1 Amplifier Bundle
12" Car Subwoofer 350W RMS, 1.22 cu.ft Vented Box, RXA‑T1 370W RMS Bridged, 8 AWG Kit
Free Shipping
Regular price
$230.85
Sale price
$230.85
Regular price
$0.00
Unit price
per
Features
- 12" sub in tuned vented MDF box
- RXA‑T1 bridges to 370W RMS @ 4Ω
- Ported design boosts output and punch
- 8 AWG copper wiring kit included
- Speaker wire and hardware included
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
- (1) W12K5S4 12" 4Ω Subwoofer
- RSV12 Single 12" Vented Enclosure (1.22 cu.ft)
- RXA‑T1 2‑Channel Amplifier
- RWK81 8 AWG Amp Wiring Kit
- 10 Screws, 12' 14 AWG Wire, 2 Spades
SKU: SKU: W12K5S4+RXA-T1+RWK81+RSV12+K1
View full details
This Bundle Includes
W12K5S4
The Rockville W12K5S4 12" 4-Ohm Car Subwoofer delivers powerful, clear bass with a 1400-watt peak and advanced voice coil. Its efficient cone and premium components suit custom builds and diverse enclosures, offering deep lows and lasting reliability for those seeking a refined, high-performance car audio experience.
Learn More
RXA-T1
The RXA-T1 2-channel amplifier delivers 1,500 watts of peak power and 370 watts RMS, engineered for superior sound in any car audio system. With advanced MOSFET technology, audiophile-grade components, and flexible installation, it’s the perfect upgrade for those who demand clarity, power, and premium performance on the road.
Learn More
RSV12
The RSV12 single 12" vented enclosure is engineered in the USA from robust 3/4" MDF for uncompromising sound quality and durability. Its precision design, gold terminals, and triple-sealed seams make it perfect for car audio, home studios, or custom installs, delivering powerful, distortion-free bass in any environment.
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
K1
The K1 Single Subwoofer Enclosure Kit brings together premium 14 AWG speaker wire, expertly selected screws, and secure spade terminals for a flawless installation. Designed for home, studio, or car audio, this kit guarantees a clean, powerful connection and a sophisticated setup for true audio enthusiasts.
Learn More
Features
Tuned Output
1.22 cu.ft vented enclosure increases efficiency and impact for lively, room‑filling bass in the cabin.
Refined Power
RXA‑T1 delivers 370W RMS bridged with low THD for clean transients and sustained control.
Acoustic Control
Adjustable HP/LP crossovers and 12dB EQ match system voicing to music and enclosure.
Quality Build
3/4" MDF construction with gold terminals resists flex for tighter response and durability.
Complete Hardware
8 AWG copper wiring and accessories support reliable, tidy installation and long-term performance.
