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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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Description
Massive Audio GTR64 6.5” GTR Series 400W RMS | 600W Max Car Subwoofer Dual 4-Ohm w/ GrillMassive Audio GTR64 6. 5 GTR Series Subwoofer 400 W RMS 600 W Peak Dual 4 (1. 5 Hi Temp Voice Coil) Compact yet powerful, the GTR64 delivers clean, impactful bass in tight spaces. Built with a dual 4 high temp coil, strong motor assembly, and reinforced cone and basket, it's engineered for durable, punchy performance. Key Features Power Handling (RMS): 400 W Peak Power: 600 W 1. 5 dual 4 high temperature voice coils (Made in the USA) Heavy gauge steel
Massive Audio GTR64 – 6.5″ GTR Series Subwoofer – 400 W RMS / 600 W Peak – Dual 4 Ω (1.5″ Hi-Temp Voice Coil)Compact yet powerful, the GTR64 delivers clean, impactful bass in tight spaces. Built with a dual 4 Ω high-temp coil, strong motor assembly, and reinforced cone and basket, it's engineered for durable, punchy performance.
Key Features
- Power Handling (RMS): 400 W
- Peak Power: 600 W
- 1.5″ dual 4 Ω high-temperature voice coils (Made in the USA)
- Heavy-gauge steel basket with industrial-textured finish
- Dual-stacked Y30 65 oz strontium ferrite magnet
- Textured pulp cone with resin reinforcement and red-stitch surround
- Custom high-roll foam surround with MASSIVE logo
- Reinforced terminal case with copper wiring and woven tinsel leads
- X-Max: ~10 mm; Sensitivity: ~79.5 dB; Fs: ~55.8 Hz
- Enclosure recommendations: sealed ~0.35 ft³; ported 7.9″H × 15″D × 8.7″W (1.5″ × 8″ port)
- Mounting depth: ~5.43″; Cutout: ~5.79″; Weight: ~11 lb
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Chuck it!
Style: Recharges, Size: Medium
My Golden Doodle absolutely loves this ball. His new favorite!
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Reviewed in the United States on April 17, 2026
★★★★★ 4
The glow doesn’t last long, not super bright.
Style: Recharges, Size: Medium
I charge my glow in the dark balls with a black light flashlight, this one was not very bright, and it did not hold the charge very long. Also, with it being green, it was hard for my dog to find in the grass.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Squeaks and glows
Style: Recharges, Size: Medium
Squeaks. Glows, and labs love them.
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Reviewed in the United States on January 19, 2026
★★★★★ 3
good but no glow
Style: Recharges, Size: Medium
good ball but as others say, the glow in the dark really isn't there.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Good grip glow ball
Style: Recharges, Size: Medium
Love this glow in the dark Chuck IT. Get a black light flashlight to charge the neon instantly. Good texture gives the dog better grip than the smooth all white glow in the dark chuck it balls.
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Reviewed in the United States on January 9, 2026