Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
by Appchi LLC★ 4.637,325 ratingsMusicFreeData updated 2026-11-12
Convert documents to PDF files. Choose .docx or .doc files. Convert and save as PDF. Share or resave converted files. Support batch conversion of multiple documents. Some advanced features require a purchase.
Boost device beyond default limits for audio. Enhance bass for richer sound. Adjust audio settings for music, videos, and games. Support for headphones and speakers.