Massive Audio GTR Series 8" Subwoofer X-over Filter Range

X-over Filter Range

or channels 3&4

What that means is your front 4 channels and the subwoofer signal are separated and individually controllable

these speakers are designed to fit behind factory grilles or panels in most applications

Make and receive calls

Massive Audio GTR Series 8" Subwoofer X-over Filter RangeAll 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 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