jamulussoftware / jamulussoftware/jamulus
ipad version only sees inputs 1/2 on a 4 port interface
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Description
### Discussed in https://github.com/orgs/jamulussoftware/discussions/3726
Originally posted by **rdica** June 5, 2026
Hi, I'm not sure this is specific to Jamulus on iPad...
iPad Pro 11" MTXP2LL/A iPadOS 26.5
Behringer UMC404HD USB interface
Jamulus 3.12.1 for iPad
Mic in port 1, instrument in 2, I can hear both in Jamulus. I plug an external src stereo output into 3/4 and nothing. The interface is receiving as I can see the input level LEDs light up, and I can hear it if I turn the mix knob to direct monitoring.
Garage Band receives input from 3/4 and is audible when monitoring is enabled so it appears the interface is in working order.
Jamulus seems to provide a limited inputs option.
iPad sound setting:
Jamulus audio setting:
There are only those two options.
In the past I'd thought I'd seen a screenshot of Jamulus audio inputs on a Mac that showed more input options for interfaces with more than two hardware inputs, so I'm wondering whats different between Mac version of Jamulus and iPadOS version?
Thanks!
Contributor guide
Research direction
Start by reproducing the issue from the Jamulus 3.12.1 for iPad settings and the Behringer UMC404HD setup described here, then read the related discussion at #3726. Trace how Jamulus discovers and presents audio inputs on iPadOS versus macOS. Done means inputs 3/4 are available and usable when the interface exposes four inputs.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- ios
- Domain
- audio-video-rtc, mobile-dev
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100