| 類型 | Manufacturer |
|---|---|
| 網站 | https://www.grommesprecision.com/ |
| 電話號碼 | 1-800-746-2346 |
| 地址 | 1331 Estes Avenue Gurnee, IL 60031 USA |
Grommes~Precision has been designing engineering and manufacturing quality sound equipment in the United States since it started operation in March of 1946.