NCH WavePad 17.92 macOS

This audio editor includes great features, like:
+ Effects like echo, amplification, reverb, equalizer and noise reduction.
+ Sound editing functions, like insert, silence, autotrim and more.
+ Audio Units give producers access to thousands of additional tools and effects
+ Convert hundreds of files with one process
+ Support for many file formats, such as: aac, aif, amr, au, gsm, wav, vox, wma, flac, real audio, ogg,, m4a, mp3, mid, and much more.
+ Bookmarks that allow for easy searching and assembling of clips into long audio files
+ Supports sample rates from 6 to 192kHz, stereo or mono, 8, 16, 24 or 32 bits
+ And much more!
Typical applications include trimming down long sound clips, reduce vocals from music, create ringtones, record voiceovers, and more!
Compatibility: macOS 10.10 or later
Homepage:

https://www.nchsoftware.com/