This article applies to: VoiceMaster Pro
The optional card gives the VoiceMaster Pro a 24-bit S/PDIF digital output capable of up to 96KHz sample rate on an RCA phono connector. It has a word clock-in connector for syncing to external devices too.
Unless your computer has a S/PDIF input built-in (some cheaper internal sound cards do) it does not allow you to connect the unit directly to your computer for recording into your DAW - you will need an audio interface with an RCA S/PDIF input for this.
Please note that the VoiceMaster Pro is a discontinued product and, as such, it may now be difficult to source digital cards.
The part is 'MH444 Platinum ADC R2' (some stores may refer to it as just Voicemaster Pro digital card or similar).
For price information and to find out where you can purchase one, please contact the distributor for your country (contact details can be found in the distributor section).