Proton streamers

High quality Music Streamers and Digital transports built around serious listening.

Browse transport-only and DAC-equipped builds, compare SKUs side by side, and review platform and music service support before you choose the right unit.

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Built for audiophile systems

Proton Streamers are built using high-quality components and designed for optimal performance in dedicated audio setups. Whether you're looking for a transport to pair with your existing DAC or a streamer with an integrated DAC, we have options to suit your needs.

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Digital Transport product image

1GB-Digi

$249

Digital Transport

1GB Digital Transport. S/PDIF(IEC60958-3) interface with 32 to 192kHz sampling rate. Optical TOSLINK and Coaxial RCA bitperfect output. With two low jitter external crystal oscillator clocks and I2S master mode design, the transport achieves more accurate audio clocking across different frequency ranges. The board adopts a 150M industrial-grade digital signal isolator and a automotive-grade 1W power isolator, providing complete galvanic isolation of power and digital signals from the Raspberry Pi, thereby ensuring better output signal quality.

  • Outputs: Coaxial, Optical
  • OS: Volumio, Moode, Kalinka
  • Services: DLNAUPnPFLACDSDMP3Spotify Connect 320kbpsTidal (UPNP)Qobuz (UPNP)Qobuz Connect (bit perfect)RoonAirPlay
Digital Transport with NVME support product image

1GB-Digi-NVME

$249

Digital Transport with NVME support

1GB Digital Transport with NVME support (optional NVME SSD drive not included)

  • Outputs: Coaxial, Optical
  • OS: Volumio, Moode, Kalinka
  • Services: DLNAUPnPFLACDSDMP3Spotify Connect 320kbpsTidal (UPNP)Qobuz (UPNP)Qobuz Connect (bit perfect)RoonAirPlay
Streamer with PCM5122 DAC product image

1GB-PCM5122

$249

Streamer with PCM5122 DAC

PCM5122 384kHz/32bit DAC Audio Card Expansion Board | Dual Oscillators & DOP | RCA/3.5mm Output, 112dB SNR

  • Outputs: RCA, 3.5mm
  • OS: Volumio, Moode, Kalinka
  • Services: DLNAUPnPFLACDSDMP3Spotify Connect 320kbpsTidal (UPNP)Qobuz (UPNP)Qobuz Connect (bit perfect)RoonAirPlay
Streamer with ES9038Q2M DAC product image

1GB-ES9038Q2M

$299

Streamer with ES9038Q2M DAC

High-Resolution 384KHz/32bit & DSD512 Audio Card, DAC Converter, Headphone & Balanced Output

  • Outputs: 3.5mm Balanced, 3.5mm unbalanced
  • OS: Volumio, Moode, Kalinka
  • Services: DLNAUPnPFLACDSDMP3Spotify Connect 320kbpsTidal (UPNP)Qobuz (UPNP)Qobuz Connect (bit perfect)RoonAirPlay

Operating systems supported by our models

Music services supported by our models