Massive Audio GTR84 8-inch 600 Watts RMS Dual 4 Ohm Subwoofer 2" Hi-Temp Voice Coil Heavy Gauge Steel Basket with Industrial Texture Painting || FEATURES || Heavy gauge Steel Basket with Industrial Texture Painting || Dual Stacked High Flux Y30 120oz Strontium Ferrite Magnets || Dual Impedance / 2" Hi-Temp Voice Coil - Made in the USA || Custom High Roll Foam with MASSIVE Logo || Textured Non-Pressed Pulpe with Resin || || SPECIFICATIONS (1) || Size : 8-inch || RMS Range : 300w-600w (500w RMS Ideal) || Peak Power : 800w || Cone : Textured Non-Pressed Pulpe with Resin || Voice Coil : 1.5" Dual 4 Ohm || Surround : Custom High Roll Foam with MASSIVE Logo || Magnet : 120oz || || SPECIFICATIONS (2) || Terminals : Terminal Case with Flexible Pure Copper Wire || Basket : Heavy Gauge Steel || Tinsel Leads : High-Grade Woven Round || X-Max : 12.5mm || SPL : 82.5dB || FS : 39.9Hz || Ported Box : 9.6"H x 15"D x 10.8"W || Sealed Box : 0.5 ft3 || || All GTR Series subwoofers use dual tight red stitching that's sewn through a Textured Non-Pressed Pulpe cone onto a Custom High Roll Foam surround. Then it's bonded to a heavy gauge steel basket that's bolted to double stacked high flux Y30 120oz 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.