KHADAS Tone2, Quick Start Manual

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* For the latest FAQ, visit khadas.com/tone2-faq
What is the voltage level of the Balanced RCA connection?
4.0Vrms for balanced RCA mode, and 2.0Vrms for standard RCA mode (single-ended).
How do I use my existing XLR-3 equipment with Balanced RCA?
Purchase the Khadas Balanced-RCA to XLR-3 adapter; it is a male Balanced-RCA plug
connected to a male XLR-3 plug.
How do I use ‘S/PDIF’ input?
Attach a standard RCA cable to the orange-coloured RCA jack, and set the input mode
to ‘S/PDIF’. Alternatively, set the input mode to ‘AUTO’ and stop music playback from
other sources.
How do I connect my smartphone to Tone2 via Bluetooth?
Attach a Khadas bluetooth module to the USB-C (I2S) port, and set input mode to ‘I2S’.
Can the USB-C input be used with the USB-C output of Android phone?
Yes, Tone2 can be powered by most Android smartphones via USB-C.
What are the input priorities of the ‘Auto’ input mode?
When connecting both USB-C (USB) and S/PDIF interface in ‘Auto’ input mode, “USB”
input has the highest priority.
When music playback over USB is stopped (you do not need to remove the USB cable),
input will switch to the ‘S/PDIF’.
Refer to
docs.khadas.com /tone2 for the priority of audio input to each I/O interface.
Can I connect Tone2 to my iPhone or iPad?
Apple’s iPhone does not support the Tone2. You can still connect Tone2 to your iPad using
a USB-C to C cable, but the Tone2 device information will not appear on your iPad.
Does the Tone2 support native DSD decoding?
Yes, DSD512 native decoding can be enabled by installing the Khadas USB driver.