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SDC – Sub Delay Checker

stop guessing-start measuring
frank Barsch · Music
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App info

Developer
frank Barsch
Category
Music, Utilities
Released
Sep 13, 2026
Version
1.1.1 (Oct 14, 2026)
Price
$3.99
Size
3.9 MB
Requires
iOS 16.0
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.

About SDC – Sub Delay Checker

stop guessing - start measuring. you are a touring dj or a sound engineer on a tight schedule and a tighter budget. sdc gets your subs and tops aligned with the gear you already carry. WHAT YOU NEED - iPhone, iPad or Mac - an audio interface, or the usb card already in your mixer - a measurement microphone run the output and the microphone through the same interface. that shared sample clock is what makes the timing trustworthy, and sdc warns you when the two don't match. a built-in phone mic is fine for a rough look - a measurement mic on one shared clock is what you want when it counts. HOW IT GOES 1. hook it up and pick your input and output channels 2. hit start - a level check runs first so you can set your gain 3. the app walks you through it: mute the sub and it measures the top, mute the top and it measures the sub 4. read the answer WHAT YOU GET not a chart to interpret. a…
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