The AKG Lyra is a USB condenser microphone that plugs straight into a computer. It can also be used on most modern mobile phones using an adapter.
USB condenser microphones can't normally handle the volume of a brass instrument, but the AKG Lyra has a maximum sound pressure level of 129 dB (at 0.5% Total Harmonic Distortion).
I tested it out to see how to optimally use it for trumpet recording.
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https://www.youtube.com/watch?v=qIrc24uXhlg