From the manufacturer

HP Poly Mission 425 Stereo USB Wired Headset Classic

Easy connectivity

Plug-and-play USB Type-C^® and USB Type-A compatibility, intuitive inline controls, and easy device management via HP Poly Studio App keeps you connected and productive.

Lightweight comfortable fit

Lightweight design and soft-cushioned earcups deliver a perfect fit and professional clarity — ideal for long days of focused communication.

Built for focused conversations

Stay productive with the HP Poly Mission 425 Classic headset — noise-canceling mic and super wideband audio keep conversations efficient and clear.

HP Poly Mission 425 Stereo USB Wired Headset Classic

AI noise reduction¹

AI noise reduction¹ blocks background noise and keeps voices clear for focused conversations.

SoundGuard Digital²

SoundGuard Digital² limits loud bursts and keeps listening levels safe for longer calls.

Super wideband audio

Super wideband audio delivers clearer, more natural speech for clearer calls.

32 mm speaker drivers

Large 32 mm drivers produce clear, balanced sound for more natural communication.

Rotatable microphone boom

A 285-degree rotating microphone lets users wear the boom on either side for comfort and control.

TCO Certified, generation 10

HP Poly Mission 425 USB headset is certified according to TCO Certified³.

Connection type

Wired: USB Type-C^®, USB Type-C^®/A adapter

Audio

AI enhanced transmit noise reduction; Super wideband audio

Headphone type

On-ear (stereo)

Color	Black
Charging	Cable
Connection type	USB Type-C^®/A Wired: USB Type-C^®, USB Type-C^®/A adapter
Button user controls	Mute/unmute Volume +/- Microsoft Teams Call answer/ignore/end
Tone controls	Volume maximum Volume minimum Mute on Mute off Muted
Wearing style	Stereo
Audio	AI enhanced transmit noise reduction Super wideband audio
Microphone bandwidth	50 Hz to 16 kHz
Cable length (imperial)	6.5 ft
Ear cushions	Foam (surface material)
Headphone type	On-ear (stereo)
Indicator light	On call On muted call Incoming call On hold call
Boom mic length (ft)	0.43 ft
Number of microphones	1
Microphone type	AI noise cancelling
Boom mic rotation	285°
Sensitivity (microphone)	-35 ±3 dB
Sensitivity (speaker)	116 dB
Signal-to-noise ratio	>55 dB
Speaker bandwidth	20 Hz to 20 kHZ (multimedia mode)
Speaker size	32 mm
UC compatibility	Universal
Certified collaboration software	Microsoft Teams certified Google Meet certified Works With Chromebook certified Zoom Workplace Headset certified Zoom Workplace Contact Center certified
Management Software	HP Poly Studio App
Compatible Operating Systems	Windows 11 macOS Chrome OS^™ Android^™ iOS
Country of origin	Vietnam
What's in the box	Headset USB Type-C^® to USB Type-A adapter Quick start guide Warranty card Product notice
Acoustic protection technology	SoundGuard Digital⁴
Manufacturer Warranty	Poly standard two-year limited warranty
Documents	HP Poly Mission 425 Stereo USB Wired Headset Classic

¹ On-device AI reduces typical background noises, allowing the user to be heard clearly improving the overall user experience.

² HP Poly SoundGuard Digital includes G616 anti-startle protection which limits the noise level to below 102 dB SPL and is compliant to the Australian Communications Industry Forum (ACIF) G616 recommendation; HP Poly owned proprietary Advanced Audio Limiter, compliant to ACIF G616; and Average Daily Noise Exposure that measures and controls sound to prevent the Average Daily Noise Exposure from exceeding 80 dBA or 85 dBA time-weighted average (TWA). HP Poly Studio App is required to enable SoundGuard Digital features. HP Poly SoundGuard protects against Acoustic Shock by limiting sounds to below 118 dBA. This feature is enabled by default and is not a user configurable feature.

³ TCO Certified is a ISO 14024 Type 1 sustainability label for IT products. Compliance with all criteria is independently verified.

⁴ HP Poly SoundGuard Digital includes G616 anti-startle protection which limits the noise level to below 102 dB SPL and is compliant to the Australian Communications Industry Forum (ACIF) G616 recommendation; HP Poly owned proprietary Advanced Audio Limiter, compliant to ACIF G616; and Average Daily Noise Exposure that measures and controls sound to prevent the Average Daily Noise Exposure from exceeding 80 dBA or 85 dBA time-weighted average (TWA). HP Poly Studio App is required to enable SoundGuard Digital features. HP Poly SoundGuard protects against Acoustic Shock by limiting sounds to below 118 dBA. This feature is enabled by default and is not a user configurable feature.