Massive Audio GTR64 6.5” GTR Series 400W RMS | 600W Max Car Subwoofer Dual 4-Ohm w/ Grill

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