Precisely machined massive aluminum mounting ring
High-gloss polished surface
GZ-design hexagon style NRG (Non-resonant grill) protection grill
Compatible with many GROUND ZERO midrange speakers*
*e.g. GZ ULTRA M-80, GZPM 80SQ-C, GZNM 80SQ-K, GZUM 80SQ, GZHM 80
Type aluminum mounting ring
Outer Ø 105 mm / 4.13”
Mounting Ø 100 mm / 3.94”
Mounting depth 7 mm / 0.28”
Bolt circle Ø 86 mm / 3.39” (4x)
