Kenwood KHS-9BL Three-Wire Lapel Mic

Kenwood KHS-9BL: discreet three-wire lapel mic for covert radio comms

Three-wire surveillance kit · lapel mic + inline PTT + clear acoustic tube earphone · listed for Kenwood TK-3400 / TK-3402.

The Kenwood KHS-9BL is a three-wire lapel microphone kit built for discreet, hands-on radio communication. It separates the lapel mic, the push-to-talk (PTT) wire, and a clear acoustic tube earphone into three independent wires, so you can route each component exactly where you want it. Browse more Kenwood Accessories.

Who it's for

The split-wire design keeps your profile low, making the KHS-9BL a practical choice for plainclothes and covert security, undercover work, loss prevention officers monitoring a sales floor, and VIP or event protection teams. If you need a simpler single-ear listen-only option, see the Kenwood KEP-2 Earphone Kit.

Key features

• Three-wire configuration: separate runs for mic, PTT, and earphone give you maximum placement flexibility — hide the mic under a lapel, clip the PTT to a sleeve, and run the tube under your collar.
• Clear acoustic tube earphone: a clear tube routes audio to your ear for discreet, private listening.
• Clip-on lapel mic: a small mic clips behind a jacket or shirt so you can talk naturally without drawing attention.
• Inline PTT button: a separate push-to-talk wire lets you key the radio covertly — clip it to a cuff, sleeve, or inside pocket.

How to wear a three-wire surveillance lapel mic

Each wire is positioned independently. Clip the lapel mic behind a jacket or shirt so you can speak naturally, route the inline PTT button to your cuff, sleeve, or an inside pocket so you can key the radio without drawing attention, and run the clear acoustic tube up under your collar to the earphone for discreet listening.

Specifications

What's in the box

• 1 x Kenwood KHS-9BL three-wire lapel mic kit
• Clear acoustic tube with earbud
• Lapel mic with clip
• Separate inline PTT wire with clip

Frequently Asked Questions

What radios is the Kenwood KHS-9BL compatible with?

The KHS-9BL is listed as an accessory for the Kenwood TK-3400 and TK-3402. Connector and model fit can vary, so contact us to confirm compatibility with your specific Kenwood radio before ordering.

What is a three-wire lapel mic?

A three-wire lapel mic splits the accessory into three separate wires: a clip-on lapel microphone, an inline push-to-talk (PTT) button, and a clear acoustic tube earphone. The split design lets you place and conceal each part independently.

How do you wear a three-wire surveillance lapel mic?

Position each wire on its own. Clip the lapel mic behind a jacket or shirt to talk naturally, route the inline PTT button to a cuff, sleeve, or inside pocket to key the radio covertly, and run the clear acoustic tube under your collar to the earphone.

Does the KHS-9BL work with the Kenwood TK-3402?

Yes, the KHS-9BL is listed for the Kenwood TK-3402, as well as the TK-3400. To be certain it matches your radio, contact us to confirm compatibility before you order.

What comes with the Kenwood KHS-9BL lapel mic?

The kit includes the Kenwood KHS-9BL three-wire lapel mic with a clip, a clear acoustic tube with earbud for discreet listening, and a separate inline PTT wire with clip.