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. Read our Best of Campfire Audio 2026 Blog 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.
