massive audio

Massive Audio GTR64 6.5 Inch Dual Voice Coil Subwoofer

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SKU:
21311531
MPN:
gtr64
Availability:
Usually ships the same or next business day. In stock at our NJ warehouse.
Shipping:
Calculated at Checkout
Stock Update:
03/16/2026 09:40:30 PM PST
$109.99
Stock Update:
03/16/2026 09:40:30 PM PST

Description

This item is brand-new, factory sealed.

Massive Audio GTR64 | 6.5" 400 Watts RMS / 800w MAX Dual 4 Ohm Subwoofer with Grill
  • Rugged Steel Basket & Premium Finish: Crafted with a heavy-gauge steel basket and finished in industrial-grade textured paint, the GTR64 is built to last. Its robust structure ensures minimal resonance and maximum durability, even under extreme audio conditions.
  • Build Details: High Flux Magnet & USA-Made Voice Coil are powered by dual stacked high-flux Y30 65oz Strontium Ferrite magnets and a 1.5" high-temp voice coil made in the USA, this subwoofer delivers deep, controlled bass with exceptional thermal stability and power handling.
  • Design: The Custom Surround & Cone features a custom high-roll foam surround embossed with the MASSIVE logo and a textured non-pressed pulp cone infused with resin. This combination enhances excursion, responsiveness, and long-term reliability.
  • Precision Suspension & Signal Flow: Equipped with high-grade woven round tinsel leads and a precision spider suspension system, the GTR62 ensures accurate cone movement and efficient signal transfer for clean, distortion-free audio.
  • Optimized Specs for Performance: With an X-Max of 10mm, FS of 55.8Hz, and a terminal case using flexible pure copper wire, this subwoofer is engineered for high-output setups that need punchy bass. Dual impedance options offer versatile wiring for custom installations.
  • Model Name: GTR64
  • Speaker Type: Subwoofer
  • Special Feature: Dual Stacked High Flux Y30 120oz Strontium Ferrite Magnets
  • Recommended Uses For Product: Indoor
  • Unit Count: 1.0 Count
  • Included Components: 1* Subwoofer
  • Product Dimensions: 9"D x 9"W x 9"H
  • Is Waterproof: FALSE
  • Number of Items: 1
  • Speaker Size: 6.5 Inches
  • Power Source: Corded Electric
  • Woofer Diameter: 6.5 Inches
  • Audio Driver Size: 6.5 Inches
  • UPC: 623169612015
  • Manufacturer: Massive Audio
  • Item Weight: 11 pounds

SOLD AS EACH All GTR Series subwoofers use dual tight red stitching thats sewn through a Textured Non-Pressed Pulp cone onto a Custom High Roll Foam surround. Then its bonded to a heavy gauge steel basket thats bolted to double stacked high flux Y30 65oz Strontium ferrite magnets. Then everything dances on a springy high-quality spider with high-grade woven tinsel leads that connect to a custom terminal case with flexible pure copper wire. These woofers scream sound quality and truly represent Massive Audio's commitment to value and performance.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Massive Audio GTR64 6.5 Inch Dual Voice Coil Subwoofer
$109.99