Firmware will be provided for the hardware specified by the manufacturer or the retailer.
Products related to Diretta such as Target USB Bridge and Target DAC can be designed, developed and sold to end-users.
A permanent update of the support system as well as required software and firmware is provided.
audio equipment Manufacturers and Retailers : contact


Diretta Target USB Bridge for USB boot

Provided in a USB memory stick
Works with x64 AMD or Intel CPU and RaspberryPi4/3(B)/CM4
USB Bridge supports only USB-DACs. No support for I2S.
USB-DACs that work on Linux can be used
Requires minimum of 2 or 1 core CPU, recommended of 4 core CPU
499.00 Euro (tax included)

Order and Trial here : contact
* Support by E-mail only.
* Customers will be responsible for the cost of returning the product in case of failure.
* License is managed by individual E-mail address.
* A duplication of the attached USB memory is not allowed.
* This product is provided only for regions where support is difficult due to lack of the retailer.
* checked DAC

Japan:Kenrick Sound
OLIO SPEC


other country:


Diretta Target USB Bridge for Embedded

Only provide to manufacturers.
Support with RaspberryPi4 ModelB/CM4
Boot form eMMC or microSD,