
The bass-heavy sound is intentional and commonly noted by reviewers—but it's easily corrected.
Bose uses "consumer-friendly" tuning designed for retail demos:
| Frequency Range | Tuning | |-----------------|--------| | Bass | +3-6dB emphasis (the issue) | | Mids | Recessed | | Treble | Bright |
This impresses during brief store demos but causes muddy, congested sound with vocal-heavy music, podcasts, and acoustic content.
Bose Music app → Settings → Sound → Equalizer
| Adjustment | Setting | |------------|---------| | Bass | -2 to -3 dB | | Mids | 0 or +1 dB | | Treble | Neutral |
This simple change transforms the sound from boomy to clear. Multiple reviewers describe it as "night and day."
Seal Quality: Gaps between earcups and your head (common with glasses) affect bass response. Ensure full, even contact.
CustomTune Calibration: Remove and replace headphones to trigger fresh calibration—suboptimal calibration affects frequency balance.
Immersive Audio: Toggle off temporarily. Spatial processing can affect perceived bass on some content.
The 2nd Gen has better tuning than the original:
However, the bass emphasis remains. Most users still benefit from EQ adjustment regardless of generation.
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