The Khadas Tone Board was one of the most pleasent surprises for us this year. In a nutshell it is a little USB and SPDIF DAC board, with an excellent price\performance ratio.
We consider it as the ideal successor of the legendary ODAC.
- Powered by ESS9038Q2M DAC
- USB AND SPDIF Input
- Analog and SPDIF Output
- Max Resolution 32bit 768 KHz and DSD 256
Why we like it
- You can’t get a better sound for such price!
- It’s DIY friendly: embed it in your custom streamer or make a box for it
- It has hardware volume control (make sure you use the latest firmware)
PLEASE NOTE: The Khadas Tone Board on sale here is the “Generic edition”, it means that it does not have the PIN connectors for Khadas Vim. It comes without an enclosure.
The Khadas team integrated XMOS advanced multi-core RISC architecture microcontroller and ESS flagship 32-Bit stereo mobile audio DAC ES9038Q2M in such a small PCB. And, Khadas choose 3 independent high performance OPA and 4 ultra-low phase jitter oscillator for best noise reduction. The same as you think, each power supply path is powered by an independent, ultra-low noise power supply and the OPA is powered up to ±5.5V. There are a lot of examples of such designs, but in general, the Khadas team try our best to get better performance through optimal design.
Key Performance Parameters:
THD+N ≤ 0.000337%
>SNR ≥ 120dB
DNR ≥ 120dB
Crosstalk (Channel Separation) ≥ 127dB
Frequency Response ± 0.08dB
Sample Rate and Compatibility.
Ultra-low Phase Noise Clock Jitter
The SiTime ultra performance oscillator SiT820&8209 series with just 0.5ps phase jitter and output frequency stability as low as ± 10PPM. Khadas chose it as a reference clock in our audio system so that the data clock jitter < 30ps.
Khadas Tone Board Specifications
8 xCores, Core Share up to 500 MIPS
32-Bit Stereo Mobile Audio DAC
|THD+N||≤ 0.000337% @1KHz|
|SNR||≥ 120dB @ 10Hz~20KHz|
|DNR||≥ 120dB @ 10Hz~20KHz|
|Crosstalk||≥ 127dB @ 10Hz~20KHz|
|Frequency Response||±0.08 dB @ 10Hz~20KHz|
|Sample Rate|| PCM: Up to 768KHz @ 32bit
DSD: Up to DSD256 @ 1bit
|Clock Jitter|| Reference Clock Jitter < 3ps
Data Clock Jitter < 30 ps
|Line Out||1x Red RCA for Right Channel, 1 x White RCA for Left Channel|
|Indicator||White LED x1|
|Mounting Holes||Size M2 x 5|
|FPC Connector||30-Pin 0.5mm Pitch: for 8 Channels Extension|
|S/PDIF IN||Up to 192KHz|
|S/PDIF OUT||Not Support|
|USB-C Port||Power Supply(5V/500mA) & USB 2.0 Data|
|40-PIN Header||Not Soldered|
|20-PIN Header||Not Soldered|
|Dimensions||82.0 x 74.5 x 17.0 mm|
|In the Box||Tone Board Generic Edition
Header: 40 PIN Female
Header: 20 PIN
IMPORTANT NOTICE FOR ALL CUSTOMERS
This product is shipped from China. International customers are responsible for any VAT and/or customs fees. These are beyond our control and will be based on declared value which is the board cost plus any options.
|Dimensions||82 x 74.5 x 24 cm|