HamiltonBuhl Noise-Cancelling Mic Cord – Turns Headphones into a Headset

HamiltonBuhl® Deluxe Active Noise-Cancelling Cord — Convert Any 3.5 mm Headphone into a Headset

Add clear voice capture to your favorite classroom headphones. This noise-canceling microphone cord converts a standard 3.5 mm headphone into a TRRS headset for Chromebooks, laptops, and tablets with a combo jack. It’s a budget-smart way to enable speaking tasks, language labs, and remote learning without replacing your entire fleet.

Key Features

• Turns headphones into a headset: Inline mic adds voice input while keeping your existing over-ear or on-ear headphones.
• Noise-canceling mic: Designed to reduce ambient classroom noise for clearer speech on calls and recordings.
• TRRS single-plug device end: Works with most combo-jack Chromebooks, laptops, and tablets.
• Quick setup: Plug your headphone’s 3.5 mm plug into the cord’s female jack, then plug the cord’s male TRRS into the device—done.
• Fleet-friendly: Save budget by upgrading audio capability without buying new headsets.

Compatibility

• Headphones: Any model with a standard 3.5 mm stereo (TRS) plug.
• Devices: Combo-jack (headphone+mic) ports using CTIA wiring (most Chromebooks, many laptops/tablets).
• USB-C only? Use a USB-C to 3.5 mm headset adapter that supports mic.
• USB-A only? Use a USB sound adapter or choose a native USB headset.

How to Use (30 seconds)

1. Unplug your headphone from the device.
2. Insert the headphone’s 3.5 mm plug into the cord’s female 3.5 mm jack.
3. Insert the cord’s male 3.5 mm TRRS plug into the device’s combo jack.
4. Select “Headset” (or similar) as Input/Output in device/app audio settings and test the mic.

Typical Specs

• Connections: 3.5 mm female (headphone in) → 3.5 mm TRRS male (to device)
• Microphone: Inline, noise-canceling
• Use case: Language labs, speech assessments, video calls, remote learning
• Cable: Classroom-length with strain relief (varies by batch)

Note: Exact cable length and control layout may vary by production batch. Refer to product packaging for any model-specific details.

Classroom Tips

• Label cords and headphones with matching numbers (1–30) to speed handouts/returns.
• Keep device-safe wipes and spare earpads to extend fleet life.
• Store sets in racks or bins to avoid cable damage.

Compare Your Options

Buying for a class or district? We accept POs and offer volume pricing. Request a quote.