Qudelix, Inc. - The initial version of the iOS app is now available in the app store. https://apps.apple.com/us/app/qudelix/id1515641059?l=en | Facebook
Qudelix for Android - APK Download
Qudelix 5K Review and Comparison to ES100, BTR-5 : headphones
Qudelix-5K Bluetooth DAC & Headphone Amp | Page 17 | Audio Science Review (ASR) Forum
Qudelix-5K Reference DAC AMP – Qudelix, Inc.
Amazon] Qudelix-5K Bluetooth DAC/AMP ($87.99 / 현대카드 $76.99) : 클리앙