| Key Features | New more durable Clip microphone/earpiece unit with stronger cables | |
| Gold-plated twin-jack plug | ||
| Accessory Features | Maximum Input | 200 mW at 1kHz |
| Microphone Impedance | 1500 Ohms | |
| Microphone Sensitivity | -42dB | |
| Sound Pressure Level | Earpiece - 105 dB | |
| Speaker Impedance | 72 Ohms | |
| Dimensions W x H x D - without projections | Cable length plug-to-microphone - 750mm, microphone-to-earpiece - 500mm. Earpiece diameter - 16 mm. | |
| Weight | 27 g |