# Sonexos

> Plasma-based active noise control for appliances, ventilation and industrial cooling.

## Why it is interesting

A compact active acoustic module could reduce reliance on bulky passive silencers, subject to product qualification and cost.

## Profile

- **Latest funding:** Pre-Series A — About $6.1M (CHF5M; issuer-reported USD equivalent) (October 21, 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $6.1M
- **Stage:** other
- **Status:** private
- **Industries:** deep-tech
- **Coverage:** full
- **Last updated:** 2026-10-27
- **Latest funding investors:** Valquest Partners, Bosch Ventures, Industry angels and private investors

## Funding history

- Pre-Series A · About $6.1M (CHF5M; issuer-reported USD equivalent) · October 21, 2026
  Source: https://sonexos.com/pre-series-a/

## Investors in our directory

- https://venturecapitaltracker.com/fund/valquest-partners
- https://venturecapitaltracker.com/fund/bosch-ventures

## Related articles

- https://venturecapitaltracker.com/sonexos-6-1m-plasma-noise-control-funding

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 27, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/sonexos