Expansion Boards
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Up2Stream DAC Board: Upgrade the sound quality of your Up2Stream board with the famous ESS 9023 Sabre chip found in the Up2Stream DAC Board.
Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3 -
Up2Stream Button Board: This Button board is an external board that contains multiple control buttons including play/pause, volume up, volume down, previous song, next song, standby and switch mode, plus an on board IR receiver, connector for IR Extension Board and 4 mode indicator LED including WiFi, BT, AUX and USB. It is perfect to use as the control panel for your DIY device.
Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono, Up2Stream Amp 2.1 -
Up2Stream S/PDIF In Board: Lacking a digital input for your DIY board but want an easy solution? The S/PDIF input board lets you easily add S/PDIF input to your device. It contains both an Optical input and Coaxial input jack. With this board, you can connect any device with S/PDIF output as a digital audio input source.
Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono, Up2Stream Amp 2.1 -
Up2Stream SPDIF Out Board: This SPDIF output board can add digital output to your device, which contains an optical output and coaxial output jack. With this board, you can output digital audio data to other devices like a DAC or digital amplifier.
*Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono, Up2Stream Amp 2.1 -
Up2Stream IR Extension Board: Does the onboard IR receiver not fit your DIY case? Do you need to position it somewhere else? This IR extension board lets you connect an external IR receiver and position it to fit your DIY needs.
Requires Up2Stream Button Board.
*Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono
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Up2Stream DAC Board
Upgrade the sound quality of your Up2Stream board with the famous ESS 9023 Sabre chip found in the Up2Stream DAC Board.
Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3

Up2Stream Button Board
This Button board is an external board that contains multiple control buttons including play/pause, volume up, volume down, previous song, next song, standby and switch mode, plus an on board IR receiver, connector for IR Extension Board and 4 mode indicator LED including WiFi, BT, AUX and USB.
It is perfect to use as the control panel for your DIY device.
Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono, Up2Stream Amp 2.1

Up2Stream S/PDIF In Board
Lacking a digital input for your DIY board but want an easy solution? The S/PDIF input board lets you easily add S/PDIF input to your device. It contains both an Optical input and Coaxial input jack. With this board, you can connect any device with S/PDIF output as a digital audio input source.
Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono, Up2Stream Amp 2.1

Up2Stream S/PDIF Out Board
This SPDIF output board can add digital output to your device, which contains an optical output and coaxial output jack. With this board, you can output digital audio data to other devices like a DAC or digital amplifier.
*Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono, Up2Stream Amp 2.1

Up2Stream IR Extension Board
Does the onboard IR receiver not fit your DIY case? Do you need to position it somewhere else? This IR extension board lets you connect an external IR receiver and position it to fit your DIY needs.
Requires Up2Stream Button Board.

Volume Knob Board
Need a volume knob on your DIY project? Then this is perfect for you! Use this Volume Knob Board to add a volume knob to your device.
It is a combined rotary encoder and momentary switch you can use it to turn volume up or down, and for Mini v3, switch input mode with a press.
*Compatible Products: Up2Stream Mini V3, Up2Stream Pro V3, Up2Stream Amp V4, Up2Stream Amp Mono