Atmos Bubble and boom! Index measured, not opinion

Roald Dahl's The Witches (2020)

BOOM 5.4 (with BEQ 7.3). Bass measured on the streaming release (HBO Max), DD+. Directed by Robert Zemeckis. Family, Comedy, Fantasy, Adventure, Horror.

--BUBBLE
no data
5.4BOOM
BEQ 7.3

Roald Dahl's The Witches ()106 min · PG

FamilyComedyFantasyAdventureHorrorStream · HBO Max · DD+IMDb ↗TomatometerRT 50%MetascoreMC 47
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
5.4 / 10
Boom with BEQ
7.3 / 10
Measured release
Streaming (HBO Max) · DD+ · +7dB dialnorm compensation · chart by aron7awol
Deep bass peak, 10–30 Hz
-27.4 dBFS · with BEQ -20.5
Depth, 10–20 vs 30–60 Hz
-7.5 dB · with BEQ +4.3
Average level, 10–30 Hz
-54.5 dBFS · with BEQ -47.6
Minutes of deep bass
13 min · with BEQ 16 min at ≥ −30 dBFS
Filtered release
its BEQ restores up to 18.2 dB at 10–20 Hz
Tomatometer
50% · as of 23 Aug 2026
Metascore
47 / 100 · as of 11 Oct 2025
Chart scale read
-10 to -70.3 dBFS
Genres
Family, Comedy, Fantasy, Adventure, Horror
Tags
comedy, fantasy
Audio
DD+, DTS-HD MA 5.1
Released
22 Oct 2020
First listed
4 Dec 2018
Sources
BEQ

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