15" Die-Cast Single Voice Coil Subwoofer engineered to put you in the front row at your next concert. They deliver deep solid, tight Bass that can only be delivered by JBL, the leader in concert Sound.
For over 60 years JBL has been delivering products that embody the technology gained through its leadership role in the professional arena: recording studios and movie theaters as well as live-music reinforcement ranging from dance clubs to Woodstock. Our mission continues to be to transform this expertise into products that provide the impact and excitement of a live music performance. JBL is for customers who won’t settle for less than live at home or on the road. JBL’s GTO Series Subwoofers have been engineered to put you in the front row at your next concert. They deliver deep solid, tight bass that can only be delivered by JBL, the leader in concert sound.
Car audio subwoofers take more abuse than any other car audio component, making thundering bass for hours on end. For a car audio enthusiast, there’s nothing worse than a broken sub. At JBL, we thoroughly test our designs before we deliver them. JBL woofers have to pass a 100-hour power test, where the RMS and peak power levels are tested simultaneously. When you see ‘300 watts RMS’ and ‘1200 watts peak’ in our ratings, you can be sure that those numbers are tested and verified. Additionally, to be sure the moving parts are robust; we subject every design to a proprietary mechanical power handling test at up to 17 times the RMS power handling rating. That means these woofers have to survive test signals as high as 6000 watts. We’re fanatics about product quality.
JBL GTO subwoofers include die-cast aluminum baskets, polypropylene cones, rubber surrounds and a unique tinsel wire protector that also strengthens joint between the cone, the voice coil and the spider. That joint is the most critical of all and must withstand more stress than any other point in the moving assembly. Great performance and superior reliability have been JBL’s hallmark for over 60 years and the new JBL GTO subwoofers offer both at affordable prices. The JBL Grand Touring Die-Cast Subwoofers are designed to be used in sealed, vented and bandpass enclosures.
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15" 1400W peak subwoofer
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Power Handling, RMS 350W
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Power Handling, Peak 1400W
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Frequency Response 23Hz - 400Hz
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Impedance 4 Ohms
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Selectivity 93dB
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Mounting Depth 6-13/16"
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Cut-Out Diameter 13-5/16"
Here are some of the reasons why UK internet shoppers trust Car Audio Plus to supply and deliver their car audio and in-car entertainment products to their home or workplace in 1-2 days.
30 Day money-back guarantee
Try the gear in your car Risk-Free for a full 30 days. If you find the product does not deliver everything that you want or expect, simply return your purchase in new condition for a replacement or full refund.
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Express Delivery: Receive your order in 1-2 Business Days
All products are dispatched the same day your order is placed, providing it is ordered by 2pm, to UK mainland addresses using an Express 1-2 business day service. Fact - 97% of orders are received by our customers within 24 hours!
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SAVE up to 57% off the high street!
Specialising in specific leading brand products results in larger discounts for Car Audio Plus. This ultimately means you will find products on this website aggressively discounted when compared to car dealers.
FREE technical support for life
Car Audio Plus provides you with technical support for life on all products and our team converse on a daily basis with technical departments from leading brands & manufacturers. This means you can contact us via live support, support ticket or phone to resolve issues with your product fast.

Car Audio Plus is certified Internet Shopping Safe by IMRG, the UK's leading industry body for safe shopping on the internet. Formed in 1990, IMRG is a membership organisation that works hard to advance the online retail industry for the benefit of all.
Expert sales advisors
Standing by to help make in-car entertainment shopping easy. With unrivalled experience in the area of car audio and in-car entertainment products our Sales Advisors are ready to answer your questions and offer no nonsense practical advice.
Unrivalled customer support
Low business costs in conjunction with a network of efficient supplier's allows us to offer competitive pricing and a very efficient Customer Support Operation operated by InCar-Support.com where all support queries are resolved fast.
You can contact us via Live Support Chat or Support Ticket eliminating lost emails.
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Ready to ship products
In stock & ready to ship! We re able to ship most products the day you order with 97% being delivered in 24 hours using discrete and secure packaging.
Factory authorised dealer
Being authorised dealers with the worlds leading brands guarantees that all Car Audio Plus products are full UK specification backed by full manufacturer's warranties. Why would Visteon one of the worlds largest OE car electronics manufacturer's choose Car Audio Plus to exclusively handle its UK online sales?
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