Alpine PWE-S8-WRA 8" Compact Powered Subwoofer System with Built-In 240W Max Power, Class-D Amplifier for 2011 and Up 4-Door Jeep Wrangler JK Unlimited Models
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What's Inside?
- • Amplified enclosure with one 8" subwoofer installed
- • 80" Wiring harness (Power/Ground/Speaker level input)
- • Wrangler radio T-Harness (with in-line fuseholder)
- • (2) 15 amp ATO fuses (one installed in the power wire fuse holder / 1 spare)
- • Remote level control with 15' cable attached (3.5mm mini-plug on the end)
- • Adhesive backed hook and loop mounting fasteners (to mount the remote)
- • (2) Wrangler mounting brackets
- • (8) M4x10mm Machine screws (each with a flat washer and split lock washer)
- • (4) M6x10mm Machine screws
- • (15) 7" Zip ties
- • Installation instructions
- • Warranty information
- • On-line product registration information
- • System installation notice
- • Owner's Manual
Why Choose Alpine PWE-S8-WRA Powered Subwoofer?
120W Jeep Wrangler Bass Upgrade
Add deep, powerful bass to your 2011–Up 4-door Jeep Wrangler with this compact 120W system. Designed for under-seat plug-and-play installation, it fits neatly under the driver’s seat for a clean, hidden setup without compromising cabin space.*
Complete Jeep Bass Solution
Enjoy versatile compatibility with Alpine, aftermarket, or factory Jeep radios for seamless integration. This all-in-one kit includes a powered 8" subwoofer, remote bass knob, wiring harnesses, and mounting brackets for easy, hassle-free installation.
Frequently Asked Questions (FAQ)
- • How long does it take for the subwoofer to sound its best?
Many users notice the bass becomes smoother after several hours of normal listening. This break-in period allows the suspension to loosen slightly and perform more naturally.
- • Can I keep my factory radio when installing this subwoofer?
Yes, the system is designed to integrate with compatible factory audio systems without requiring a new head unit. This makes it an excellent upgrade for owners who want more bass while retaining factory features.
- • Why isn't the subwoofer producing any sound after installation?
Check the power cable, ground connection, fuse, and signal wiring to make sure everything is connected properly. A missing remote turn-on signal or loose harness connection is one of the most common installation issues.
- • Is the bass strong enough when driving with the roof or doors removed?
Yes, it is engineered to improve low-frequency output even during open-air driving conditions. Proper tuning of the bass level and crossover will help maintain balanced performance at highway speeds.
- • Why does the bass sound distorted when I increase the volume?
Distortion is usually caused by excessive gain, incorrect crossover settings, or an overloaded input signal. Taking the time to properly tune the amplifier will produce cleaner and tighter bass.
- • Does the powered subwoofer require an external amplifier?
No, the enclosure includes a built-in amplifier that is matched to the subwoofer for reliable performance. This simplifies installation and eliminates the need to purchase a separate mono amplifier.
- • Will adding this subwoofer improve the overall sound quality of my factory speakers?
Yes, dedicated bass allows your door speakers to focus more on midrange and high-frequency sounds. The result is a cleaner, fuller, and more balanced listening experience throughout the vehicle.
- • Why does the powered subwoofer shut off after playing music for a long time?
This can happen if the built-in amplifier overheats or the vehicle experiences a voltage drop under heavy load. Ensuring adequate airflow and checking all power connections usually prevents this issue.
- • Can I adjust the bass level without changing the radio's settings?
Yes, a compatible remote bass level control allows you to increase or decrease the bass output while driving. This makes it easy to fine-tune the sound for different music styles and listening preferences.
- • Will using this powered subwoofer affect my vehicle's battery or charging system?
Under normal daily use, most factory electrical systems can easily support the powered subwoofer. If you plan to add additional amplifiers later, you may want to evaluate your vehicle's overall electrical capacity.
- Diameter : 8 Inch
- Maximum Power : 240 Watts
- Frequency Response : 32-150 Hz
Features:
- 120W Bass Upgrade: Adds deep, powerful bass to your 2011-2018 4-door Jeep Wrangler.*
- Under-Seat Plug & Play Installation: Fits neatly under the driver’s seat for a clean, hidden setup.
- Versatile Compatibility: Works with Alpine, aftermarket, or factory Jeep radios for flexible integration.
- Complete Kit Included: Features a powered 8" subwoofer, remote bass knob, wiring harnesses, and mounting brackets for easy setup.
*Not compatible with the factory-equipped subwoofer system.
- UPC: 793276040244
- Weight: 15
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.