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All devices use a modified Hiface which has USB input capable of 24bit 192KHz. This is an asynchronous USB device which means that it doesn't use the computers clock for its timing but rather has 3 discrete on-board clocks. One to time the USB connection & the other two clocks to time the audio output. I use LiFePO4 batteries (very low noise) to power all the circuits instead of USB power which is used in the stock Hiface. This means it is immune to the bad power supplies typically found in computers. It delivers some of the highest sound quality you are likely to encounter.
JKSPDIF MK3
The JKSPDIF MK3 outputs SPDIF via a 75 ohm BNC socket. A BNC/RCA adapter is provided if requested. The MK3 is bundeled with a RF attenuator - see here
JKDAC32
The JKDAC32 outputs a stereo analogue signal via RCA connectors. It handles 32/192 signals natively - no upsampling! See here
JKDAC
The JKDAC outputs a stereo analogue signal via RCA connectors. It handles 24/192 signals natively - no upsampling! See here
(includes RF Attenuator) -