USBridge Sig Ultra low noise RPI


1 Year

Best: Shanti LPS Dual
Great: Nirvana SMPS
Regular: PSU Cheap 5V SMPS (made in China)

*We recommend Shanti Ultra low noise dual linear PSU for your USBridge Signature, and above you get it at a discount.



USBridge Sig was build using RPI compute module so from a software point of view, this will give you access to the latest kernels (way ahead of any competitor). The focus of the device is to lower the noise on USB bus. We chose an excellent USB hub IC (TI) and a separated Ethernet to USB Ic (Axis).

To lower the noise of the USB, we had to lower noise on EACH rail. In total, USBridge Sig uses more than 30 LDOs. Even the SD card power rail has a dedicated LDO. There are zero switching elements on board.

Of course, since this is based on RPI compute, we decided to include the standard RPI connector. Anything that works on an RPI will work on the USBridge Sig. For example, you can use a DigiOne / DigiOne Sig to make a full fledge streamer that outputs USB, BNC and coaxial.

  • ● Audio output on USB is full 512 DSD / PCM 768Khz (DSD 1024 theoretically possible)
  • ● 10 layers PCB
  • ● 30+ LDOs on board
  • ● RPI connector compatible with any HAT PCB
  • ● 3 USB ports, 1 reserved for DAC, 2 for WIFI/BT dongles
  • ● Ethernet Speed tested at 330Mbs


FCC Certified CE Certified


  • 3 x USB 2.0 Host: 1 on rear side marked as USB CLEAN, 2 on front side marked as Wi-Fi/BT
  • (USB 2.0 ports capable of delivering up to 900mA)
  • 1 x HDMI (Rear side)
  • 1 x Gigabit Ethernet Port (AX88179 chipset)
  • MicroSD card slot for OS (8GB or above)
  • Power: 5V/3A through USB-C connector
  • DigiOne Signature Clean Power: 5V/1A adaptor source or battery pack power 5v to 9v range
  • LED Status: power (PWR) green led shows the power status and ACT red led shows the SD card activity

Note: All USB host ports are with over current protection circuit.

(You will be directed to ComputerAudiophile where we have centralized our support center)

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