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GT Audio GT-SPL6.2B 4Ohm Waterproof Coaxial Speaker Pair 150w RMS Black

World RRP: £30.95

Category: Waterproof Speakers

Product code: GT-SPL6.2B

This Marine Ready speaker kit is an all round top performer featuring one piece waterproof dual concentric cones to cover the full frequency spectrum from sparkling highs to rounded mids – while staying lightweight and water proof using its rustproof ABS Basket design. Perfect for in wall cabin fitment on boats or in ceiling fitment in high moisture environments such as bathrooms and kitchens. Simple and attractive lines in the aesthetics make these easy to match to almost all interiors. Shallow mounting depth gives the flexibility for installation in tight spaces. Waterproof, durable, slim fit full range speakers. Perfect for boats, yachts, bathrooms and hot tubs!

Version History

This product is a re-launch of the original and successful Bassface SPL Marine range that was discontinued in 2020. Detail changes have been made to optimise the performance.


GT Audio

Key Facts

Product Category Waterproof Speakers
Version 1
Series GT Audio
Date Added 12/06/2023
Date Modified 16/11/2023
Barcode 5060905111473
Production Status Current
Product Net Weight (g) (For Pairs/Sets/Major Parts) 1350
Product Height (mm) 85
Product Length (mm) 180
Product Width (mm) 180
Complete Product Pack Weight (g) 1600
Retail Carton L (mm) 186
Retail Carton W (mm) 184
Retail Carton H (mm) 188
Operating Temperature (Degrees Celsius) 0-50
Weatherproof Rating IP65
Warranty (Months) - Private Enjoyment Use Only 12
Sold As Pair

Speaker Data

Speaker Maximum Burst Power (Watts) (One Speaker, Using Appropriate Crossover) 300
Speaker Power Handling RMS (Watts) (One Speaker, Using Appropriate Crossover) 150
Continuous RMS Power (Watts) (One Speaker, Using Appropriate Crossover & 0%THD) 120
Overall Diameter With Grilles (mm) 180
Overall Diameter (mm) 180
Magnet Diameter (mm) (Including Magnet Protector Where Applicable) 90
Installation Cut-Out Diameter (mm) 128
Overall Depth (mm) 86
Mounting Depth (mm) 63
Front Protrusion From Mounting Plane (mm) 23
System Frequency Response (Hz) 35-18000
Optimum Frequency Range (Hz) 50-15000
Impedance (Ohm) (Nominal) 4
Sensitivity (db/1Wm) 96
Total Magnet Weight (Oz) 7.8
Magnet Size (mm) 80x12
Magnet Type Y30
Voice Coil External Diameter (mm) 26.97
Voice Coil Internal Diameter (mm) 25.9
Voice Coil Winding (Layers) 2
Cone Type pp
Tinsel Wire Single
Terminal Quick Release

System Power

Full System Power Handling RMS (Watts) (Using Pair/Full Set Of Speakers Not Necessarily Included & Appropriate Crossover) 150

Technical Highlights

  • Completely Waterproof Twin Cone Design
  • For Marine, Domestic and Specialist Automotive Applications IP65 Rated
  • Rigid & Durable Cast ABS Basket
  • Slim Mount Integrated Grill
  • Lightweight Polypropylene Cone
  • Specially Treated Cloth Edge Surround
  • Mounting screw hole diameter 5mm. Countersink depth minimum 3mm. Countersink head diameter 8mm

What's In The Box?

  • 2 x Marine Speakers
  • 1 x Comprehensive Datasheet
  • 1 x GT AUDIO Sticker