COMPRESSION DRIVERS-DIAPHRAGM
| NEO-30 | 25.4 mm |
| DJP-26D | 25.4 mm |
| HF-D250 | 28 mm |
| HF-D350 | 34.4 mm |
| HF-D450 | 44.4 mm |
| BM-D500 | 44.4 mm |
| HF-D550 | 51.6 mm |
| HF-D1000 | 72.2 mm |
COMPRESSION DRIVERS-DIAPHRAGM
| NEO-30 | 25.4 mm |
| DJP-26D | 25.4 mm |
| HF-D250 | 28 mm |
| HF-D350 | 34.4 mm |
| HF-D450 | 44.4 mm |
| BM-D500 | 44.4 mm |
| HF-D550 | 51.6 mm |
| HF-D1000 | 72.2 mm |