Orchard Audio

500W GaN Stereo Streaming Amplifier

Starkrimson® Streamer Ultra

Just add speakers! This amplifier provides a one-box solution for all of your streaming audio needs.

This streaming stereo amplifier combines our award-winning PecanPi® Streamer and Starkrimson® Stereo Ultra amplifier into a single easy-to-use enclosure.

Starkrimson Ultra amps utilize gallium nitride (GaN) technology to achieve ultra-high performance. Learn more about the technology, at this link


  • Controlled with any smartphone/tablet/pc
  • Fully balanced output 
  • Extremely low noise and distortion
  • Completely flat frequency response 
  • Ultra-low jitter
  • Output Power: 125/250/500W into 16/8/4Ω
  • 2-ohm capable
  • Size: 45cm (17.72″) x 36cm (14.17″) x 11cm (4.33″) – w/o binding posts
  • DAC outputs on rear panel (Optional)
  • S/PDIF (coax) Input (Optional)

Available with the following software options:

  • Roon end-point — https://roonlabs.com/
    • PecanPi DAC is Roon Tested
  • Volumio — https://volumio.org/
    • UPnP/DLNA renderer
      • Jriver, Plex, foobar2000, BubbleUPnP
      • Other DLNA/UPnP media servers/players
    • AirPlay renderer 
    • My Volumio*
      • Native TIDAL, Qobuz, Amazon Alexa, and Highresaudio.com integration
      • TIDAL Connect
Connecting streamer to your Wi-Fi network:

If you don’t have an ethernet connection next to the streamer adding one is easy with either of these Wi-Fi to Ethernet bridges that many of my customers use:
TP-Link AC750 Wi-Fi Bridge and Extender – For 5G
TP-Link 300Mbps Wi-Fi Bridge and Extender – For 2.4G

Specifications / Test Results


  • Signal-to-Noise Ratio (SNR): 120dB (A-weighted)
  • THD* @ 0.25W: <-90dB for 20Hz – 20kHz into 8Ω
  • THD @ 10W: <-100dB for 20Hz – 20kHz into 8Ω
  • THD @ 62.5W: <-90dB for 20Hz – 20kHz into 8Ω
  • THD @ 250W: <-66dB for 20Hz – 20kHz into 8Ω
  • THD @ 0.25W: <-85dB for 20Hz – 20kHz into 4Ω
  • THD @ 10W: <-85dB for 20Hz – 20kHz into 4Ω
  • THD @ 125W: <-81dB for 20Hz – 20kHz into 4Ω
  • THD @ 500W: <-40dB for 20Hz – 20kHz into 4Ω
  • SINAD** @ 5W 1kHz: 100dB into 8Ω
  • SINAD @ 5W 1kHz: 97dB into 4Ω
  • Crosstalk @ 20W <-95dB for 100Hz to 20kHz
  • Freq. Response: DC (0Hz) to 22kHz @ 48kHz SR
  • Freq. Response: DC (0Hz) to 44kHz @ 96kHz SR
  • Freq. Response: DC (0Hz) to 88kHz @ 192kHz SR
  • Gain 44.72V/FS
  • Output Power:  125/250/500W into 16/8/4Ω 
  • Power: IEC Connector
    • Input AC Vol. (115V): min 90V, max 132V
    • Input AC Vol. (230V): min 180V, max 264V
    • Input AC Frequency: min 47Hz, max 63Hz
  • Inputs: 
    • RJ-45 Ethernet Port
      • 100Base-T
    • USB 2.0 Port (Optional)
      • For media storage devices (Volumio only)
    • S/PDIF Input (Optional)
      • Supports up to 24/192
  • Output: 2 x Insulated Gold Plated Binding Posts
  • Size:  45cm (17.72″) x 36cm (14.17″) x 11cm (4.33″)
  • Weight: 18lbs (8.16kg)

*THD – Total Harmonic Distortion
**SINAD – Signal-To-Noise And Distortion Ratio

8Ω Tests Results


4Ω Tests Results


Shopping Cart