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Products & Details

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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









  • it is completely off-grid, powered from 2 internal batteries (these will last about 24 hours between charges)
  • it is portable - no need for external power supply when listening to audio
  • the SPDIF output stage is now based on the Wolfson WM8804 chip
  • It comes bundled with a RF attenuator
  • it comes in an aluminium enclosure
  • it now uses a USB type B socket
  • internal battery charger simply requires a 5v to 12V external PS which plugs into box


 (includes RF Attenuator) -
JKDAC32
The JKDAC32 outputs a stereo analogue signal via RCA connectors. It handles 32/192 signals natively - no upsampling!  See here






            • It's a modified I2S Hiface capable of 32/192
            • integrated with a 32/384 BB PCM5102 DAC
            • operates exclusively from 2 internal batteries
            • completely portable - will run for about 20 hours from fully charged batteries
            • Only USB input - USB type B input socket
            • Only RCA analogue outs
            • Outputs at 2V line level for driving preamplifier or amplifier
            • internal battery charger simply requires a 5v to 12V external PS which plugs into box



            JKDAC
            The JKDAC outputs a stereo analogue signal via RCA connectors. It handles 24/192 signals natively - no upsampling! See here






                    • It's a modified I2S Hiface capable of 24/192
                    • integrated with a 24/192 Sabre ES9022 DAC
                    • operates exclusively from 2 internal batteries
                    • completely portable - will run for >8 hours from fully charged batteries
                    • Only USB input - USB type B input socket
                    • Only RCA analogue outs
                    • Outputs at 2V line level for driving preamplifier or amplifier
                    • RCA outputs will also drive headphones
                    • internal battery charger simply requires a 5v to 12V external PS which plugs into box