Speaker Accessories

This category includes some optionally available products to be used additionally at the installation of loudspeakers.

Ultra Series

REFERENCE ULTRA SERIES – Ultra-High-End

After collecting detailed experience in SQ performance and general in-car audio reproduction for more than 25 years during the development of loudspeakers, subwoofers and amplifiers for highly demanding customers and having launched a wide range of car audio products used for sound quality competitions all over the world, GROUND ZERO had started to take advantage of all these gathered skills devising a very new and super high-end product line. For the most sophisticated demands, GROUND ZERO introduces an extraordinary two-channel amplifier and matching loudspeakers now! REFERENCE ULTRA series products are developed by highly attentive engineers from England, Sweden and Germany creating products for the most demanding customers without accepting any compromise in overall quality and SQ performance.

GZ ULTRA 165-GRILL

32010010:

Precisely machined massive aluminum mounting ring

Accessories Series

This category includes some optionally available products to be used additionally at the installation of loudspeakers.

GZCG 20SC

31028000: 20 cm / 8″ Protection grill

GZSP 28TW

31080010: Aluminum surface mounting tweeter housing

GZSP 80MID

31080020: Aluminum surface mounting midrange housing

GZ ULTRA 165-GRILL

32010010:

Precisely machined massive aluminum mounting ring

GZBRK 290

51080200: 25 cm / 10″ Protection bar

GZBRK 425

51080201: 38 cm / 15″ Protection bar

GZMG 38/15

51080202: 38 cm / 15″ Protection grill

GZMG 165/6.5

51080203: 16.5 cm / 6.5″ Protection grill

GZ PROTECT

81080010: High power speaker protection

GZPG 250B

81621010: 25 cm / 10″ subwoofer grill