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Experience superior portable sound with the Campfire Audio Relay DAC/AMP, featuring the AKM SEQ 4493 DAC chip and dual ultra-low-noise amplifiers. This premium mobile DAC supports DSD and PCM playback with 3.5mm and 4.4mm outputs, making it perfect for IEMs and high-impedance headphones alike. Enjoy six digital filter options, high/low gain modes, and responsive volume control in a beautifully crafted, pocket-sized design. Built for audiophiles who demand clarity, power, and flexibility on the move.
Get the Details
Features & Specs
OUTPUTS
3.5mm single-ended and 4.4mm balanced headphone outputs
3.5mm single-ended and 4.4mm balanced headphone outputs
DIGITAL FILTERS
Six user-selectable filter modes
DIGITAL TO ANALOGUE CONVERTER
AKM SEQ 4493
AUDIO FORMATS SUPPORTED
DSD and PCM
GAIN MODES
High and Low selectable gain
DESIGN ORIGIN
Designed by Campfire Audio, USA
Expert Insight
The Relay DAC/AMP punches well above its size — crisp, dynamic, and detailed across all my headphones. The adjustable gain and filter options are a huge plus, letting me fine-tune my sound whether I’m using IEMs or full-size cans. It’s beautifully built, easy to carry, and delivers a premium listening experience every time.
Dylan Crane
Brand Manager
Details
Relay DAC/AMP
Unlock audiophile-grade performance on the go with the Campfire Audio Relay DAC/AMP — a compact powerhouse built for clarity, musicality, and versatility. Featuring the acclaimed AKM SEQ 4493 DAC chip and dual ultra-low-noise amplifiers, this portable DAC/AMP supports both single-ended and balanced outputs for compatibility with a wide range of headphones and IEMs. With high/low gain modes, six selectable digital filters, media playback buttons, and 60-step volume control, it gives users granular command over their listening experience. Durable, travel-friendly, and optimized for DSD and PCM playback, Relay is your high-performance audio companion wherever you go.
Specifications
DAC Chip: AKM SEQ 4493
Amplifiers: Two ultra-low-noise, high-output drivers
Gain Modes: High and Low selectable gain
Digital Filters: Six user-selectable filter modes
Volume Control: 60-step built-in digital volume adjustment
Playback Controls: Media playback buttons integrated
Outputs: 3.5mm single-ended and 4.4mm balanced headphone outputs
Audio Formats Supported: DSD and PCM
Construction: Compact, durable housing for portable use
Design Origin: Designed by Campfire Audio, USA
Expanded Key Features List
AKM SEQ 4493 DAC Chip: Delivers refined audio performance with high-resolution clarity and musical warmth.
Dual Ultra-Low-Noise Amps: Drive both sensitive IEMs and power-hungry headphones with minimal distortion.
Six Filter Modes: Choose from a variety of digital filters to tailor sound signature to your preference.
High/Low Gain Switch: Optimize output for different headphone impedances and listening environments.
60-Step Volume Control: Allows precise volume adjustments with smooth responsiveness across devices.
Balanced and Single-Ended Outputs: Features both 3.5mm and 4.4mm jacks for versatile connectivity.
Q&A Section
Q: What DAC chip is used in the Relay DAC/AMP? A: It uses the highly regarded AKM SEQ 4493 DAC chip for exceptional sound quality and detail.
Q: Can it power high-impedance headphones? A: Yes, with its high-gain mode and powerful dual amps, it can drive even demanding headphones like the Sennheiser HD600 series.
Q: Does it support both balanced and unbalanced outputs? A: Yes, it includes 3.5mm single-ended and 4.4mm balanced outputs.
Q: Are the digital filters just gimmicks? A: No — the six selectable filters each offer unique tuning characteristics to match your personal sound preferences.
Q: Is the volume control responsive and precise? A: Absolutely. The 60-step volume control offers smooth, accurate adjustments without sudden jumps in loudness.
Q: Does it support DSD playback? A: Yes, the Relay DAC/AMP supports both DSD and PCM high-resolution formats.
Q: Can I control media playback with it? A: Yes, it includes integrated media playback buttons for added convenience.
Q: Is it portable and durable enough for travel? A: Definitely. It’s lightweight, compact, and made for on-the-go audiophiles who need high performance in a small package.
Reviews
Product Description
Product Description
Experience superior portable sound with the Campfire Audio Relay DAC/AMP, featuring the AKM SEQ 4493 DAC chip and dual ultra-low-noise amplifiers. This premium mobile DAC supports DSD and PCM playback with 3.5mm and 4.4mm outputs, making it perfect for IEMs and high-impedance headphones alike. Enjoy six digital filter options, high/low gain modes, and responsive volume control in a beautifully crafted, pocket-sized design. Built for audiophiles who demand clarity, power, and flexibility on the move.
Get the Details
Features & Specs
Features & Specs
OUTPUTS
3.5mm single-ended and 4.4mm balanced headphone outputs
3.5mm single-ended and 4.4mm balanced headphone outputs
DIGITAL FILTERS
Six user-selectable filter modes
DIGITAL TO ANALOGUE CONVERTER
AKM SEQ 4493
AUDIO FORMATS SUPPORTED
DSD and PCM
GAIN MODES
High and Low selectable gain
DESIGN ORIGIN
Designed by Campfire Audio, USA
Expert Insight
Expert Insight
The Relay DAC/AMP punches well above its size — crisp, dynamic, and detailed across all my headphones. The adjustable gain and filter options are a huge plus, letting me fine-tune my sound whether I’m using IEMs or full-size cans. It’s beautifully built, easy to carry, and delivers a premium listening experience every time.
Dylan Crane
Brand Manager
Details
Details
Relay DAC/AMP
Unlock audiophile-grade performance on the go with the Campfire Audio Relay DAC/AMP — a compact powerhouse built for clarity, musicality, and versatility. Featuring the acclaimed AKM SEQ 4493 DAC chip and dual ultra-low-noise amplifiers, this portable DAC/AMP supports both single-ended and balanced outputs for compatibility with a wide range of headphones and IEMs. With high/low gain modes, six selectable digital filters, media playback buttons, and 60-step volume control, it gives users granular command over their listening experience. Durable, travel-friendly, and optimized for DSD and PCM playback, Relay is your high-performance audio companion wherever you go.
Specifications
DAC Chip: AKM SEQ 4493
Amplifiers: Two ultra-low-noise, high-output drivers
Gain Modes: High and Low selectable gain
Digital Filters: Six user-selectable filter modes
Volume Control: 60-step built-in digital volume adjustment
Playback Controls: Media playback buttons integrated
Outputs: 3.5mm single-ended and 4.4mm balanced headphone outputs
Audio Formats Supported: DSD and PCM
Construction: Compact, durable housing for portable use
Design Origin: Designed by Campfire Audio, USA
Expanded Key Features List
AKM SEQ 4493 DAC Chip: Delivers refined audio performance with high-resolution clarity and musical warmth.
Dual Ultra-Low-Noise Amps: Drive both sensitive IEMs and power-hungry headphones with minimal distortion.
Six Filter Modes: Choose from a variety of digital filters to tailor sound signature to your preference.
High/Low Gain Switch: Optimize output for different headphone impedances and listening environments.
60-Step Volume Control: Allows precise volume adjustments with smooth responsiveness across devices.
Balanced and Single-Ended Outputs: Features both 3.5mm and 4.4mm jacks for versatile connectivity.
Q&A Section
Q: What DAC chip is used in the Relay DAC/AMP? A: It uses the highly regarded AKM SEQ 4493 DAC chip for exceptional sound quality and detail.
Q: Can it power high-impedance headphones? A: Yes, with its high-gain mode and powerful dual amps, it can drive even demanding headphones like the Sennheiser HD600 series.
Q: Does it support both balanced and unbalanced outputs? A: Yes, it includes 3.5mm single-ended and 4.4mm balanced outputs.
Q: Are the digital filters just gimmicks? A: No — the six selectable filters each offer unique tuning characteristics to match your personal sound preferences.
Q: Is the volume control responsive and precise? A: Absolutely. The 60-step volume control offers smooth, accurate adjustments without sudden jumps in loudness.
Q: Does it support DSD playback? A: Yes, the Relay DAC/AMP supports both DSD and PCM high-resolution formats.
Q: Can I control media playback with it? A: Yes, it includes integrated media playback buttons for added convenience.
Q: Is it portable and durable enough for travel? A: Definitely. It’s lightweight, compact, and made for on-the-go audiophiles who need high performance in a small package.
