AUv3Synth Standalone Plugin example crashes (asserts) on iOS iphone, not on ipad

MacOSX and iOS
1

Hello,

i get a JUCE Assertion failure in juce_AudioProcessor.cpp:353 when running on my iphone 6s, but not on my ipad air.

Oli

2

My bad I think. With headphones it’s ok. Guess iPhone is mono when jack not connected