- 1" Low-noise Level Microphone System - Type 40HF
- ½" Low-noise Level Microphone System - Type 40HH
- ½" Low-noise Level Microphone System - Type 40HT
- ½" Low-noise Microphone System Type 40HL
| US Office · 2285 East Enterprise Parkway · Twinsburg OH 44087 · Tel. 330 425 1201 · Fax 330 425 1235 · E-mail gras@gras.us |