---
title: "Amp & Speaker Calculator — Watts, Impedance, Ohms & SPL – Chrome extension stats, history and permissions"
description: "5 users, rated 5.00 by 1 person. Version 1.0.10, updated 2026-09-06. Requests 0 permissions."
url: "https://extensiontracker.com/extension/dcckpfcpjjpmcoojclkmhckjifgpllfo"
---

# Amp & Speaker Calculator — Watts, Impedance, Ohms & SPL

Live in the Chrome Web Store.

- Users: 5
- Rating: 5.00 from 1 rating
- Last checked: 2026-09-26 23:37 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #197,656 of 264,703 live extensions
- Rank in Education: #7,833 of 11,063

## The listing

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

Summary from the listing:

> Free amp & speaker calculator: match amplifier watts, impedance (ohms), headroom & real SPL. Car audio, PA, home & studio.

- Extension ID: `dcckpfcpjjpmcoojclkmhckjifgpllfo`
- Developer: [None](https://extensiontracker.com/developer/u2573b3a2a50e62af045cdd7d3389a28e)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2026-02-14
- Last updated: 2026-09-06
- Version: `1.0.10`
- Size: 176 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `https://electronicszone.pro/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/amp-speaker-calculator-%E2%80%94/dcckpfcpjjpmcoojclkmhckjifgpllfo>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fdcckpfcpjjpmcoojclkmhckjifgpllfo>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 5 | 5.00 | 1 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

It asks for no permissions.

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Gambling Site Blocker](https://extensiontracker.com/extension/micpomplbfkedepjdbllhnlgapellfpi) | 280 | 5.00 | 2 | Well-being |
| [Microphone Selector & Recommendation Tool](https://extensiontracker.com/extension/hejogbaiadbgigdojpmlcppaflajodkh) | 50 | 5.00 | 1 | Tools |
| [Solar Panel + Battery Storage Simulator](https://extensiontracker.com/extension/fipablofiofpagnoaidllpldimjakmji) | 11 | 5.00 | 1 | Tools |
| [Privacy Shield: Blur & Redact](https://extensiontracker.com/extension/lfkhimhoppmfhahgmbffflohmacfoifg) | 4 | – | – | Workflow & Planning |
| [FocusTab Manager](https://extensiontracker.com/extension/lnidfhnkgcmdmbbpbfinafkeacnfdjec) | – | – | – | Tools |

All 6 extensions by [None](https://extensiontracker.com/developer/u2573b3a2a50e62af045cdd7d3389a28e).

## 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 2026-09-26 23:37 UTC; next check around 2026-10-18.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Amp & Speaker Calculator — Watts, Impedance, Ohms & SPL” (dcckpfcpjjpmcoojclkmhckjifgpllfo). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/dcckpfcpjjpmcoojclkmhckjifgpllfo. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_dcckpfcpjjpmcoojclkmhckjifgpllfo,
  title   = {Amp & Speaker Calculator — Watts, Impedance, Ohms & SPL (dcckpfcpjjpmcoojclkmhckjifgpllfo)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/dcckpfcpjjpmcoojclkmhckjifgpllfo},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/dcckpfcpjjpmcoojclkmhckjifgpllfo>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.