Mixer with a built-in USB output
Use when the mixer is class-compliant and the computer can select its USB send.
- 1Speech mic
- 2Mixer channel
- 3USB send
- 4Voco laptop
- 5Phones / display
Original signal-flow library · reviewed 22 August 2026
Church audio wiring diagrams volunteers can follow
Four common routes from the preacher's microphone to translation or captions. Use them to choose the signal path, then confirm connector type, level, grounding, and monitoring for the exact hardware.
Safety boundary: these are signal-flow diagrams, not electrical wiring instructions. Never connect speaker-level outputs to laptop or line inputs, and ask a competent audio technician when connector level or phantom-power behaviour is uncertain.
Analogue mixer output through a USB interface
Use when the mixer has a spare aux, matrix, record, or line output but no suitable USB route.
- 1Speech mic
- 2Mixer aux out
- 3Isolation / correct cable
- 4USB interface
- 5Voco laptop
One mixer feeding Voco and a livestream
Use separate outputs when the translation feed needs speech clarity and the livestream needs a complete programme mix.
- 1Stage inputs
- 2Main mixer
- 3Speech aux → Voco
- 4Stream mix → encoder
- 5Audience outputs
Portable speech setup without a house mixer
Use for a small rented room after confirming that a close microphone and interface are adequate for the event.
- 1Close speech mic
- 2USB interface
- 3Voco laptop
- 4Venue Wi-Fi
- 5Attendee phones
Use the diagrams in this order
- 1. Trace
Point to every physical device and cable in the proposed route. - 2. Label
Record the exact mixer bus, socket, adapter, and computer input name. - 3. Monitor
Listen at the destination, not only through the room loudspeakers. - 4. Recover
Document the fallback and let a second volunteer repeat it.