Extension Tracker

Amp & Speaker Calculator

7 users Rated 5.00 from 2 ratings Last updated 19 Oct 2026

By Unnamed developer Live in the Chrome Web Store dcckpfcpjjpmcoojclkmhckjifgpllfo Search Google ↗ Last checked 20 Oct 2026, 05:36 UTC

The listing

What the Chrome Web Store shows, as of the last check

Free amp & speaker calculator: match amplifier watts, impedance (ohms), headroom & real SPL. Car audio, PA, home & studio.Summary from the listing
Developer
Not named in the listing
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Education
First published
14 Feb 2026
Last updated
19 Oct 2026
Version
1.0.11
Size
176 KiB
Minimum Chrome
88
Languages
1 language

English

Website
https://soundsystemcalc.com/
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
567Tracking began 26 Sep 202626 Sep3 Oct10 Oct17 Oct2026-09-26: 5 users2026-10-20: 7 users2026-10-20: new version7567Tracking began26 Sep10 Oct2026-09-26: 5 users2026-10-20: 7 users2026-10-20: new version7
Average rating
4.804.905.0026 Sep3 Oct10 Oct17 Oct5.004.804.905.0026 Sep10 Oct5.00
Number of ratings
1226 Sep3 Oct10 Oct17 Oct21226 Sep10 Oct2
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-10-2075.002
2026-10-18–5.002
2026-09-2655.001
Users, 7 days
No change
since a week ago
Users, 30 days
+2
+40.0%
Rank
#180,079
by users, of 292,131 extensions
In its category
#7,316
of 12,901 in Education

What changed

Every change found on a check, newest first

  1. New version 1.0.11, replacing 1.0.10.

    Renamed from “Amp & Speaker Calculator — Watts, Impedance, Ohms & SPL” to “Amp & Speaker Calculator”.

    The developer's website link changed.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 26 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

It asks for no permissions.

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About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 20 Oct 2026, 05:36 UTC; next check around 18 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Amp & Speaker Calculator” (dcckpfcpjjpmcoojclkmhckjifgpllfo). Chrome Web Store data, last checked 2026-10-20. https://extensiontracker.com/extension/dcckpfcpjjpmcoojclkmhckjifgpllfo. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_dcckpfcpjjpmcoojclkmhckjifgpllfo,
  title   = {Amp & Speaker Calculator (dcckpfcpjjpmcoojclkmhckjifgpllfo)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-20},
  url     = {https://extensiontracker.com/extension/dcckpfcpjjpmcoojclkmhckjifgpllfo},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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