Mil-spec U-94 push-to-talk for Kenwood K1 2-pin radios and K1-compatible handhelds (Baofeng, Wouxun, Retevis, and more).
This is a mil-spec U-94/A for this radio jack. Select Dynamic or Electret at checkout to match the headset microphone — they are not interchangeable. Headset side is U-174; red-ring U-384 downleads take the TP-105 o-ring. If you need one PTT that auto-senses both mic types, that path is Constant Able.
U-174 Headset
Radio Interface: Kenwood 2-Pin (K1)
Connector: K1 — 2.5 mm / 3.5 mm dual-prong
Verify your radio connector visually before ordering. Headset side is standard NATO U-174/U (TP-101). U-384/U (TP-105 / red rings) needs the TP-105 O-Ring adapter.
K1 is the standard commercial 2-pin. If your Kenwood has a multi-pin side connector (NX-5000 / X11 family), you need the K2 / X11 U-94 — not this K1.
Compatible Radios
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TK-2170 / TK-3170 (Kenwood 2-pin). Not TK-2180 / TK-3180 (those are Kenwood universal connector — use K2)
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Baofeng: UV-5R, UV-82, BF-888S, BF-F8HP (K1-pinout compatible)
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Wouxun: KG-UV6D, KG-UV8D, KG-UV9D
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Retevis: RT1, RT21, RT22, RT81
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Hytera: TC-265, TC-620
Headset & Microphone
Select the correct impedance variant for your headset microphone:
Dynamic (Low Impedance)
Military headsets — Ops-Core AMP, Peltor ComTac, MSA Sordin, OTTO dynamic.
Electret (High Impedance)
Civilian headsets, many earpieces, Earmor / Howard Leight style mics.
Not sure? Constant Able auto-detects impedance. Or use the PTT selector.
Mil-Spec Build
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Genuine mil-spec U-94/A assembly
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IP67 sealed (waterproof / dustproof)
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Rotating blackened stainless clip
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Assembled in USA · BAA compliant
Warranty
DISCO32 limited warranty — 1 year from original purchase for defects in materials and workmanship under normal use. Support starts with a troubleshooting ticket at help@disco32.com. Valid claims are repaired or replaced per store policy. Same terms for Constant Able, U-94, and MSM sold by DISCO32.
Full store policy.
