The NiceHCK NK1 Ultra is a Type-C DAC/amp cable and the step-up model of NiceHCK's NK1 family, above the NK1 and NK1 Max. It suits wired IEM users who want dedicated conversion and amplification from a USB-C phone or laptop without carrying more than a slim cable.
Who the NiceHCK NK1 Ultra is for
Wired IEM users: It is for listeners who want more from a dongle than a bare-bones adapter provides.
USB-C phones and laptops: Plugged into the USB-C port, it takes on both digital-to-analog conversion and amplification for your earphones.
Minimal pocket rigs: The slim cable format keeps the whole setup small enough to live in a pocket.
NK1 and NK1 Max owners: It is the step-up option above the standard NK1 and NK1 Max in the same family.
NiceHCK NK1 Ultra key specs
Type: DAC/amp cable (DAC + headphone amplifier)
Connection: USB Type-C
Form factor: Slim cable
Works with: Wired IEMs and earphones on USB-C phones and laptops
Order from TonePier for brand-new, genuine NiceHCK stock. US shipping is free on every order, and if the NK1 Ultra doesn't fit your needs, our 45-day return policy makes it easy to send back.
NiceHCK NK1 Ultra vs similar options
vs SMSL D10: Pick the D10 if you want a 17.5-gram stick with a detachable USB-C cable that can be swapped when it wears; the NK1 Ultra keeps its DAC/amp inside one slim cable.
Yes. Every unit we sell is genuine and brand-new, shipped in its original packaging with a valid serial number, and backed by our 1-year warranty and 45-day returns.
How long does shipping take?
Orders ship within 3 business days, with full tracking. Shipping to the US is free on every order, and most US orders arrive within 7–15 business days — see our shipping policy for details.
What if it isn't for me?
You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.
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