| Attribute name | Attribute value |
|---|---|
| Compatible products | SIP-T41S/T42S/T46S/T48S/T53/T53W/T54W/T57W/T58A/VP59 |
| Impedance | 90 Ω |
| Headphone frequency | 112 - 8500 Hz |
| Microphone frequency | 100 - 6300 Hz |
| Headphone sensitivity | 96 dB |
| Audio adapters included | 3.5 mm, USB |