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Campfire Audio Relay Portable USB DAC

Campfire Audio Relay Portable USB DAC

When it comes to portable listening, true quality lies not just in convenience, but in power and purity of sound. Born from Campfire Audio’s signature tuning philosophy, the Relay is a compact USB DAC/amp that brings high-end audio refinement to your mobile devices.

HK$1,780.00
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Description

Detail, Depth, Dynamics

Unlike typical USB dongle DACs, the Relay is equipped with the AKM 4493SEQ DAC chip, developed in Japan and renowned for its wide frequency response and 32-bit resolution decoding capabilities. Enhanced with VELVET SOUND™ technology, the Relay delivers an immersive, natural soundstage with rich musical nuance — the perfect foundation for high-resolution streaming on the go.



Power to Push Boundaries

The Relay doesn’t just decode — it drives. With dual op-amps, users can switch between Low Gain and High Gain modes to match the needs of any IEM or headphone:

  • Low Gain:
    • 1.35 Vrms (Single-Ended) / 2.7 Vrms (Balanced)

  • High Gain:
    • 2 Vrms (Single-Ended) / 4 Vrms (Balanced)

Even high-impedance headphones find their voice — clean, controlled, and fully powered.


Six Digital Filters – Tune It Your Way

Because no two listeners are the same, Relay features six digital filter profiles, switchable via a simple + and - button combo. Whether you're chasing warmth, precision, or a spacious stage, these filters let you tailor the tonality to your taste:

  1. Short Delay Sharp Roll-off
    • Enhanced vocal articulation & instrument separation
  2. Sharp Roll-off
    • Crisp highs and accurate transient detail
  3. Short Delay Slow Roll-off
    • Warm and immersive — ideal for ambient and chill
  4. Slow Roll-off
    • Smooth, emotive, with wide staging
  5. Super Slow Roll-off
    • Analog-like depth and width, perfect for emotional expression
  6. Low Dispersion Short Delay
    • Balanced detail and space — versatile for all genres

Product Specifications

Body

CNC-machined aluminum chassis

DAC Chip

AKM 4493SEQ

High Gain

2 Vrms / 4 Vrms

Low Gain

1.35 Vrms / 2.7 Vrms

Supported Formats

DSD
PCM: 32-bit / 384kHz 

Compatibility

Windows 7/8/10/11、Mac OS、Android、iOS

Customer Reviews

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