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インターフェイス株式会社 INTERFACE CO., LTD.
Bulk Pet (Bulk Pure Enhanced Technology)

USB Transfer with Better Sound Quality (Compatible w/ SWD-DA20)

FREE Download

Bulk Pet is able to control the transmission data volume and transmission frequency. Ensure both host and device CPU can process steadily.

Isochronous transfer of audio data via USB in a constant time period causes huge loading on host and device CPU. In return, it causes the sound quality changes slightly. Bulk Pet is a solution to this problem.

There are 4 Bulk Pet Modes depending on the balance of the processing loading of host CPU and device CPU. Users can choose anyone they like.

In order to use Bulk Pet, Windows users is required to update the firmware of SWD-HA20 and install the Bulk Pet driver on PC. For MAC users, you are only required to install the driver on MAC.

Users can playback music with Bulk Pet in popular APIs such as ASIO, WASAPI and CoreAudio. They can also use any music player app with Bulk Pet.

Supported OS: Windows 7 (Please update OS to the latest version.)/8/8.1/10; Mac OS X 10.9 / OS X 10.10 / OS X 10.11 / macOS 10.12

Download Firmware Update of SWD-DA20 for using Bulk Pet on Windows (241KB):

Download Bulk Pet driver for Windows (11.5MB) (32bit/64bit):

For more information about Bulk Pet, please visit:

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