Fix USB Audio Noise, Hum and Ground Loops

Remove hum, buzzing, whining and computer noise from USB DACs, audio interfaces, USB microphones and [read more]

UR27 and UR23 Windows guide with Wiim Ultra as source

First thing is to plug the UR27 USB output into your PC/Laptop and make the [read more]

Send and receive 5.1 DTS/AC3 signal via Optical SPDIF

The UT23 USB to optical converter and DACs with an optical out (UAE23, UAE23HD, UH1) [read more]

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Record SPDIF optical audio with UR23/S2 Digi optical to USB converters

UR23 is an optical to USB converter (32kHz-96kHz) while the S2 Digi does both optical [read more]

22 Comments

Choosing the right USB Isolator

There are several different types and models of USB isolators, understanding which one you need [read more]

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DAC Comparison

We have updated the DAC comparison, buyers guide and added recent models. Have a look [read more]

New Fully digital DDX amplifier, the UDP320

We have received a lot of enquiries on when our UDP80 fully digital amplifier will [read more]

183 Comments

The ES9038PRO DAC

edit: For sale now here The ESS Sabre ES9038PRO chip has received a lot of [read more]

211 Comments