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The Energy Transformation Systems PA921 Smartphone Audio Balun for iPhone is an 18" XLR female to 3.5mm TRRS male cable that enables professional microphones to be connected to your iPhone's audio input jack. This allows for high-quality digital audio recording straight on your phone. The PA921 works with condenser microphones equipped with separate power supplies or batteries.
Please note that the microphone plug must be removed from your phone to hear playback.
In the Box
Energy Transformation Systems PA921 Smartphone Audio Balun for iPhone
Limited 1-Year Warranty
Table of Contents
10 Hz to 20 KHz
3.5mm TRRS male mini-plug XLR female
3.5mm mini-plug: 600 ohm XLR: 100 ohm
Common Mode Rejection
60 dB minimum at 1 kHz (per channel) 40 dB minimum over the frequency range