Audio Test Tones - Professional app for iPhone and iPad


4.3 ( 593 ratings )
Business Utilities
Developer: N9 Technologies LLC
1.99 USD
Current version: 1.0, last update: 7 years ago
First release : 18 Feb 2010
App size: 7.02 Mb

Professional Audio Test Tones for testing your Audio Systems Equipment. Test speaker frequency ranges to specifications.

All Tones are Lossless WAV Format, 1 semitone files.

Tones include:
Sine Waves: 50Hz, 100Hz, 200Hz, 440Hz, 800Hz, 1kHz, 2kHz, 4kHz, 8kHz, 10kHz, 15kHz, 20kHz.

Square Waves: 50Hz, 100Hz, 200Hz, 440Hz, 800Hz, 1kHz, 2kHz, 4kHz, 8kHz, 10kHz, 15kHz, 20kHz.

Sweeps: (Loopable)
20Hz-10kHz, 20Hz-20kHz
50Hz-10kHz, 50Hz-20kHz
80Hz-10kHz, 80Hz-20kHz

Noise Generators:
White Noise
Pink Noise
Brown Noise

These are Professional Audio Test Tones to be used with a connected Audio System. These test tones are NOT intended to be used through the devices internal speakers nor through headphones. Use only with your iPhone or iTouch when connected via the speaker connection jack or an authorized dock. Some of these tones may not be audible to each individuals hearing range."

2010 N9 Technologies LLC