Everything you might want to know about 174 Player Plus

174 Hz is a low-frequency tone used in sound healing traditions as a foundation or grounding note. It's the lowest frequency in the modern extended solfeggio set, which builds on the medieval six-tone hexachord by adding three additional tones. Practitioners use 174 Hz for body-focused work — pain relief sessions, body-scan meditations, sleep practices, and any listening where the goal is to settle physically rather than activate mentally.

In the solfeggio tradition, 174 Hz is associated with the body — grounding, pain relief, the slow physical settling that happens when you stop interrupting it. Sound healers reach for 174 Hz during tuning-fork work, body-scan meditations, and sleep arcs. Many everyday listeners use it for end-of-day wind-down playlists, deep ambient music, and as a gentle accompaniment to physical recovery.

432 Hz is an alternative tuning standard for the entire musical scale — a small shift downward from the modern 440 Hz reference, used as a general-purpose alternative tuning. 174 Hz is a much deeper retune, anchored at F3 with A4 landing around 438.40 Hz. Most listeners describe music at 432 Hz as slightly warmer than the original; music at 174 Hz sounds noticeably deeper, slower, more "horizontal." Many people use 432 Hz for everyday listening and reach for 174 Hz when they want something distinctly more grounded.

We support MP3, FLAC, WAV, and other common audio formats. The app retunes in real time without re-encoding the file.

Yes — try it free for 20 retunes, then $19.99 unlocks this frequency permanently. Want all 10? $99.99 one-time. No subscriptions, no ads, no tracking.

174 Player Plus only works with audio files you own — streaming-service files are encrypted so only the host app can decode them. If you want to retune streamed music from Spotify, Apple Music, YouTube Music, or anything else playing on your device, take a look at retunerpro.com. ReTuner Pro retunes everything coming out of your device system-wide, including streaming apps.