Low-frequency-2.7z Apr 2026

Using this mode for daily listening is not recommended as it can damage your speaker over time, or in some cases, rapidly, due to overdriving the components. Activation (Generally)

It disables the standard Digital Signal Processing (DSP), meaning the speaker skips default sound optimizations to create a raw, loud, low-end sound. low-frequency-2.7z

On many portable speakers like the JBL Flip 4, this is activated by pressing and holding the and Volume Down (-) button simultaneously for about 10 seconds. Using this mode for daily listening is not