# Campfire Audio Relay review: a worthwhile portable USB headphone amp/DAC you should try before buying

> Campfire Audio Relay: Two-minute review Campfire Audio of Portland, Oregon is not, on the face of it, the most likely company to start competing in the portable USB headphone amp/DAC market.

- **Source:** [TechRadar](https://www.techradar.com/audio/dacs/campfire-audio-relay-review?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=68a0a4f3fe1087077586e144)
- **Published:** 2025-08-16
- **Category:** Audio & Video
- **Tags:** #audio #campfire #relay #company #headphone #portable #before #buying
- **Canonical:** http://localhost:4321/a/68a0a4f3fe1087077586e144

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._