Atmos Bubble and boom! Index measured, not opinion

Keeper (2025)

BOOM 5.5 (with BEQ 7.5). Bass measured on the disc, DD+. Directed by Oz Perkins. Horror, Mystery.

--BUBBLE
no data
5.5BOOM
BEQ 7.5

Keeper ()99 min · R

HorrorMysteryDisc · DD+IMDb ↗
no channel
graph published
No channel-activity graph is published for this film,
so it carries a bass score only.
DEMO
needs both scores measured
Bubble
no channel graph published
Boom, as released
5.5 / 10
Boom with BEQ
7.5 / 10
Measured release
Disc · DD+ · chart by remixmark
Also in the catalogue
Disc · DTS-HD MA 5.1 — not measured here
Deep bass peak, 10–30 Hz
-26.7 dBFS · with BEQ -20.0
Depth, 10–20 vs 30–60 Hz
-8.0 dB · with BEQ +2.8
Average level, 10–30 Hz
-54.9 dBFS · with BEQ -48.2
Minutes of deep bass
18 min · with BEQ 25 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 15.2 dB at 10–20 Hz
Chart scale read
-10 to -60.1 dBFS
Genres
Horror, Mystery
Tags
horror
Audio
DD+, DTS-HD MA 5.1
Released
13 Nov 2025
First listed
3 Jan 2026
Sources
BEQ

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