In most cases, and if not a Prisma model, simply connect the headphone amp to the LINE outputs of the integrated amp or preamp.
LINE connection means that the output is fixed and that volume will be controlled with the headphone amps volume control, while first making sure that the volume of the integrated amp or preamp being used is turned down to 0.
However, we have designed the Prisma range to allow for more convenient control of headphone volume with a feature called Speaker Mute.
With a Prisma model you can connect to the PRE output and use the Speaker Mute function to control volume from the C25 IR remote, front volume knob while automatically muting the speaker outputs.
To select Speaker mute off or on, you can go into the Settings menu using the C25 remote and OLED display as described below:
MENU > AUDIO > SPEAKER MUTE > OFF or ON
When speaker mute is ON, “SM” (Speaker Mute) will show in front of volume value to indicate that speaker output is muted.
When Speaker mute is turned ‘OFF’, the volume will return to ‘Startup Volume’ value (Menu > AUDIO > STARTUP VOLUME).
Speaker mute ‘OFF’ (default) can be changed to ‘ON’ for muting speaker output on device. PRE-OUT will still be active, and volume can be adjusted.
A button on C25 remote has been implemented for easier toggle between ON and OFF setting. Press and hold MUTE button to toggle this setting.
- For SC15 and PRE35 when Speaker Mute is ‘ON’, the WiSA menu is locked and cannot be entered.
- The Speaker Mute function is currently available only when using C25 and OLED display menu. This function will be available in the Prisma application in a future app update.
- Similarly, Speaker Mute is not available on analog and DAC versions of Prisma models, but will be made available by future product update.
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