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JBL GTO428 10cm 4 Inches Car Audio Speakers

Product Code: GTO428
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Next Day Delivery £9.99 available on all stock items if ordered by 2pm
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JBL GTO428 100mm (4") 2-Way Coaxial Car Speaker

A perfect speaker for upgrading stock dash and door locations.
This speaker includes some of JBL’s top tech. Its Plus One® cone has more surface area than that found on competing models of the same size. Its My-Ti™ (Mylar®/titanium composite) tweeters offer increased power handling reduced distortion and increased efficiency. And it can be driven by any head unit.

JBL GTO428 Specifications:

  • Grand Touring Series
  • Power handling: RMS 35W
  • Power handling: peak 90W
  • Frequency Response: 90Hz – 20kHz
  • Sensitivity: 90dB
  • Impedance: 2 ohms
  • Cone Plus One® (patent pending) woofer cone
  • Tweeter 3/4" My-TiTM tweeter
  • Mounting Depth 51mm (2")



Returns / Warranty

Return Policy

All products come with a manufacturer’s one year warranty.

  • Goods are not supplied on a trial basis.
  • Check compatibility prior to purchase.

This does not affect your statutory rights as a consumer.

  • All Returned items will incur 25% restocking fee plus applicable delivery charges.
  • Special Order items cannot be returned.
  • It is your responsibility to return any such items in a pristine saleable condition in their original box and new packaging.
  • You will be responsible for the return of the goods and any costs incurred for the return. 


  • All products supplied carries a 12 months Manufacturer's Warranty.
  • Warranty shall only be accepted for with proof of purchased (receipts). We cannot accept credit card receipts or statements as proof of purchase.
  • Should the product develop a fault within 12 months of your date of purchase please return the goods to us (at your own expense) for repair by an authorized repair centre appointed by the manufacturer.
  • Guarantee does not cover faults caused by accident, neglect, and misuse.
  • Should your product develop a fault within a first seven days of purchase you may return your goods for an exchange providing you return the unit in the same condition as supplied. (We are not liable for the cost of carriage)
  • Speakers & Subwoofers: Burnt Voicecoils on all speakers/subwoofers are not covered under warranty.
  • This does not affect any statutory rights that you may have. Please note that credit card receipt or statement cannot be used as proof of purchase. This does not affect any statutory rights that you may have.
  • We shall not be held responsible for third party and labour charges incurred, if installation service is not carried by In Car Music.

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