Polarity pulses vs Audio Toolbox

Reversed speaker phase kills your sound: weak bass, floating soundstage, lost stereo imaging—even golden ears struggle to spot it. Speaker Phase Polarity Check is the essential tool for audio installation & tuning. No expensive gear needed—use your phone’s mic to quickly verify speaker polarity & phase alignment for car, home, stage, line array & studio monitors. Key Features • Audio Capture: Record test tones via your phone microphone • Local Analysis: Offline processing, clear in-phase/reversed result • Adjustable Parameters: Adapt to different drivers, enclosures & setups • All Scenes: Car audio, home theater, stage PA, studio monitors Privacy & Permissions Only Microphone access required for audio sampling. All data processed locally—no uploads to servers. Your privacy is protected. Who It’s For Car audio installers, sound engineers, live sound technicians, audiophiles & shop pros. Eliminate wiring mistakes & cut troubleshooting time.

Audio Toolbox brings practical audio workflows together in one private, easy-to-use app. Convert compatible audio to M4A/AAC, WAV, AIFF, CAF, or ALAC. Extract sound from MOV and MP4 videos. Make an audio file smaller with quality presets or fit it under a specific file-size limit. Trim with a real waveform, combine tracks in the order you choose, and process batches without uploading your recordings. Everything happens on your iPhone: - No account - No uploads - No advertising - No tracking - Originals are never modified Free tools include conversion, basic video-to-audio, trim, compression, and batches of up to five files. Audio Toolbox Pro is a single lifetime purchase that unlocks target-size compression, merge, unlimited batch processing, advanced controls, and advanced output formats. Supported input includes compatible AAC, M4A, MP3, WAV, AIFF, CAF, ALAC, FLAC, MOV, and MP4 files. Output includes M4A/AAC, WAV, AIFF, CAF, and ALAC. Compatibility depends on the actual media track, not only the file extension. Protected media cannot be processed.