What is the HP Poly Mission 400 Series headset?

The HP Poly Mission 400 Series is a corded USB wired headset designed for focused workplace communication, featuring a noise-canceling microphone, super wideband audio, and on-device AI noise reduction. It connects via USB-C (with a USB-C to USB-A adapter included) and is available in monaural and stereo configurations.

What models are included in the Mission 400 Series?

The Mission 400 Series includes four variants: Mission 410/415 (monaural with leather ear cushions), Mission 410/415 Classic (monaural with foam ear cushions), Mission 420/425 (stereo with leather ear cushions), and Mission 420/425 Classic (stereo with foam ear cushions).

What is the difference between the 410/415 and 420/425 models?

The 410/415 models are monaural (single-ear) headsets, while the 420/425 models are stereo (dual-ear) headsets. Both are otherwise identical in features and specifications.

What is the difference between the standard and Classic variants?

Standard variants (410/415 and 420/425) include PU leather ear cushions with memory foam padding. Classic variants (410/415 Classic and 420/425 Classic) use foam ear cushions and are slightly lighter.

What color options are available?

The Mission 400 Series is available in Black only.

What certifications does the Mission 400 Series carry?

The Mission 400 Series is certified for Microsoft Teams, Zoom, Google Meet, and Works With Chromebook. It also carries the TCO-10 sustainability certification.

Is the Mission 400 Series Microsoft Teams Open Office certified?

No. The Mission 400 Series is Microsoft Teams certified but does not carry the Microsoft Teams Open Office certification. The Mission 600 Series carries that designation.

What sustainability features does the Mission 400 Series have?

The headset is made with at least 25% post-consumer recycled plastics and shipped in paper-based packaging.

What acoustic protection technology is included?

The Mission 400 Series includes HP Poly SoundGuard Digital, which provides G616 anti-startle protection limiting noise to below 102 dB SPL, an Advanced Audio Limiter, and Average Daily Noise Exposure monitoring. SoundGuard also protects against acoustic shock by limiting sounds to below 118 dBA by default.

Does the Mission 400 Series have noise cancellation?

Yes. The Mission 400 Series includes an AI noise reduction microphone that uses on-device AI to reduce typical background noises, allowing the user to be heard clearly. It does not have Active Noise Cancellation (ANC) for the listener.

Does the Mission 400 Series support super wideband audio?

Yes. The Mission 400 Series supports super wideband audio for rich, high-clarity call quality.

How many microphones does the Mission 400 Series have?

The Mission 400 Series has one microphone.

Does the Mission 400 Series have Active Noise Cancellation (ANC)?

No. The Mission 400 Series does not include Active Noise Cancellation for the listener.

What hearing protection does the Mission 400 have?

SoundGuard Digital is included, which limits anti-startle noise to below 102 dB SPL and protects against acoustic shock by capping sounds at 118 dBA. The HP Poly Studio app is required to enable the full SoundGuard Digital feature set.

How does the Mission 400 Series connect to a computer?

The Mission 400 Series connects via a corded USB-C cable. A USB-C to USB-A adapter is included in the box, allowing connection to computers with either port type.

How long is the cable?

The cable is 6.5 ft (2 m) long.

Can I use the Mission 400 Series with a USB-A port?

Yes. A USB-C to USB-A adapter is included in the box. Connect the USB-C cable to the adapter, then plug into a USB-A port. A lanyard is included to keep the adapter attached to the cable.

Is the Mission 400 Series wireless?

No. The Mission 400 Series is a corded wired headset only.

What is included in the box?

The Mission 400 Series includes the USB headset with inline call controller, a USB-C to USB-A adapter with lanyard, a carrying pouch, and a quick start guide.

Do I need to install software to use the Mission 400?

The headset works plug-and-play without software for basic use. However, downloading the HP Poly Studio Desktop app (available at hp.com/studio) is recommended to configure call controls for softphones, update firmware, manage notifications, enable SoundGuard Digital features, and change headset settings. Administrative privileges may be required to install the app.

Where can I download the HP Poly Studio app?

Download the HP Poly Studio Desktop app at hp.com/studio.

How do I update the firmware on my Mission 400 headset?

Firmware updates are performed through the HP Poly Studio Desktop app. Download the app at hp.com/studio and follow the update prompts.

How do I answer an incoming call?

Press the Call button on the inline controller to answer an incoming call.

Press the Call button on the inline controller to end an active call.

How do I reject an incoming call?

Press and hold the Call button for 2 seconds until you hear a tone to reject an incoming call.

How do I mute my microphone during a call?

Press the Mute button on the inline controller to mute or unmute your microphone during an active call.

How do I place a call on hold?

Press and hold the Mute button for 2 seconds to place an active call on hold. The Call LED will pulse orange. Press and hold the Mute button again for 2 seconds to resume the call.

How do I adjust the listening volume?

Press the Volume Up (+) or Volume Down (-) button on the inline controller to adjust listening volume.

How do I switch between two active calls?

Press the Mute button for 2 seconds to switch between calls. The active call is placed on hold and the second call is routed to the headset.

How do I answer a second incoming call while already on a call?

Press and hold the Mute button for 2 seconds to hold the current call, then press the Call button to answer the new call.

What does the Microsoft Teams / Custom button do?

The Teams/Custom button can be configured in HP Poly Studio. By default it is set to Microsoft Teams mode, allowing you to launch Teams, raise your hand in a Teams call (press and hold 2 seconds), or view a Teams message. If Microsoft Teams is not connected, it can be reconfigured for other providers to hold/resume a call, pause/resume media, or do nothing.

How do I configure the Teams/Custom button for a different softphone?

Open HP Poly Studio, go to Settings > Custom Button, and select Other Providers. Then choose from Hold/Resume call, Pause/Resume media, or Do nothing. Note: Other Providers is not available when Microsoft Teams is connected.

Does the Mission 400 support boom rotation mute?

No. The Mission 400 Series does not support boom rotation mute. This feature is exclusive to the Mission 600 Series.

How much does the Mission 400 Series weigh?

The monaural (410/415) model weighs 0.21 lb (99 g), the monaural Classic weighs 0.21 lb (97 g), the stereo (420/425) model weighs 0.29 lb (132 g), and the stereo Classic weighs 0.28 lb (126 g).

What material are the ear cushions made of?

Standard models (410/415 and 420/425) use PU leather as the surface material with memory foam padding. Classic models use foam ear cushions.

Can the boom microphone be worn on either side?

Yes. The microphone boom can be rotated and worn on the left or right side.

How far does the boom microphone rotate?

The boom microphone rotates 290°.

How should I position the boom microphone for best audio?

Gently bend the boom in or out so it sits approximately two finger widths from the corner of your mouth.

How do I adjust the headband?

Lengthen or shorten the headband until the ear cushions sit comfortably over the center of your ears. If the fit is too tight or loose, gently bend the headband outward to loosen or inward to tighten.

Does the Mission 400 Series have a busy light?

No. The Mission 400 Series does not have a busy light. This feature is available on the Mission 600 Series.

Does the Mission 400 have headset LEDs visible to others?

No. The Mission 400 Series does not have headset LEDs. Only the Mission 600 Series has headset LEDs that flash red to indicate an active call to nearby colleagues.

What do the inline controller LEDs indicate?

The inline controller has two LEDs: a Call status LED and a Teams/Custom button LED. The Call LED shows call state; the Teams LED shows Microsoft Teams connection status.

What do the different Call LED colors mean?

Off means the headset is idle or streaming media. Flashing green means there is an incoming call. Solid green means there is an active call. Solid red means the microphone is muted. Pulsing orange means the call is on hold. Pulsing red means the call is on hold and the microphone is muted.

What do the Teams LED colors mean?

Flashing white means Teams is connecting. Solid white means Teams is connected. Pulsing white means there is a Teams event or notification. Off means Teams is not connected. Note: The Teams LED does not display status when Other Providers is selected as the Custom Button setting.

What features does the HP Poly Studio app unlock for the Mission 400?

HP Poly Studio enables configuring call controls for softphones, changing headset language, enabling features, updating device firmware, managing notifications and alerts, and viewing the user guide. Features such as battery meter, equalizer settings, wellbeing reminders, and FindMyHeadset are not supported on this wired headset.

Do I need the HP Poly Studio app for SoundGuard Digital to work?

Yes. HP Poly Studio Desktop app is required to enable the full SoundGuard Digital feature set including G616 anti-startle protection and Average Daily Noise Exposure controls. The basic acoustic shock protection (118 dBA limit) is enabled by default without the app.

Can I configure mute reminders on the Mission 400?

Yes. When the mute reminder feature is enabled in HP Poly Studio Desktop, an alert plays when you speak while muted to remind you that your microphone is off.

Can I set a hold reminder on the Mission 400?

Yes. When the hold reminder feature is enabled in HP Poly Studio Desktop, an alert repeats to remind you that you have a call on hold.

How do I replace the ear cushions on a Classic (foam) model?

Gently pull the foam cushion away from the lip around the ear cup to remove it. Fit the new foam ear cushion over the lip of the ear cup until it is secured. Left and right ear cushions are interchangeable.

How do I replace the ear cushions on a standard (leather) model?

Gently grasp the ear cushion and pull it away from the headset to remove it. Align the new ear cushion with the ear cup and press together until you hear it click into place. Ensure the cushion's small red print is oriented to the bottom of the headset. Left and right ear cushions are interchangeable.

Where is the serial number located on the Mission 400?

The serial number (SN: XXXXXX, typically 6 digits) is located on the back of the inline controller. HP recommends taking a photo with your smartphone for a better view.

Poly Mission 425 Stereo USB Headset | USB-C | USB-A Adapter | Bulk Packaging – C01B6A6#AC3

Name: Poly Mission 425 Stereo USB Headset | USB-C | USB-A Adapter | Bulk Packaging – C01B6A6#AC3
Brand: Poly
SKU: C01B6A6#AC3
Price: 67.95 USD
Availability: InStock

Poly Mission 425 Classic Stereo USB Headset | USB-C | USB-A Adapter | Bulk Packaging – C01B6A6#AC3

Mission 425 USB (Bulk Packaging)

USB stereo headset · AI noise reduction · Super wideband audio · Lightweight

MPN: C01B6A6#AC3 | UPC: 0199251820366 | Condition: New

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$67.95

MSRP: $79.95

Your Savings

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15.0% off MSRP

QTY:

Certified Women-Owned

Same Day Shipping By 2pm EST

Free Shipping Over $500

Free Support

Trusted Since 2016

AI Noise Reduction · Clear Voice Transmission
Super Wideband Audio · 32mm Drivers
USB-C · USB-A · Plug-and-Play
Lightweight Stereo Design · 132g
290° Rotating Boom · Inline Controls
SoundGuard Digital · Hearing Protection

Will this work for me?

View Requirements

Mission 425 USB (Bulk Packaging)

USB stereo headset · AI noise reduction · Super wideband audio · Lightweight

MPN: C01B6A6#AC3 | UPC: 0199251820366 | Condition: New

Checking...

Your Price

$67.95

MSRP: $79.95

Your Savings

$12.00

15.0% off MSRP

QTY:

Certified Women-Owned

Same Day Shipping By 2pm EST

Free Shipping Over $500

Free Support

Trusted Since 2016

AI Noise Reduction · Clear Voice Transmission
Super Wideband Audio · 32mm Drivers
USB-C · USB-A · Plug-and-Play
Lightweight Stereo Design · 132g
290° Rotating Boom · Inline Controls
SoundGuard Digital · Hearing Protection

See Features & Details

Will this work for me?

View Requirements

Product Overview

The HP Poly Mission 425 (C01B6A6#AC3) is a stereo USB wired headset designed for call-intensive environments, delivering dependable audio and consistent performance for productive workdays. This bulk packaging variant is ideal for enterprise deployments, providing the same quality headset in streamlined packaging for IT teams managing large-scale rollouts.

Featuring AI noise reduction technology that detects and filters ambient sounds, the Mission 425 ensures only your voice is heard during digital meetings—eliminating the need for manual muting. Super wideband audio captures a broader frequency range to reproduce voice detail and tone more naturally, making remote calls feel closer to in-person conversations. The 32mm speaker drivers deliver richer audio and sharper clarity, reducing listening fatigue during extended sessions.

Built for all-day comfort, the Mission 425 features a lightweight design and a 290-degree rotating microphone boom that allows users to wear the headset on either side. The USB-C cable with tethered USB-A adapter provides plug-and-play connectivity with virtually any PC or Mac. Inline controls for mute, volume, and answer/end functions keep calls managed, while the Microsoft Teams icon illuminates to indicate call status. This headset is certified for Microsoft Teams, Zoom, and Google Meet, and is TCO 10 Certified for sustainability.

AI Noise Reduction · Clear Voice Transmission

Benefits

Sound professional in any environment without manual muting. On-device AI intelligently detects and filters ambient sounds so only your voice comes through during calls and meetings.

Key Specs

• AI-powered transmit noise reduction
• Automatic background noise filtering
• No manual muting required

Super Wideband Audio · 32mm Drivers

Benefits

Hear every word clearly with natural-sounding voice reproduction. Large drivers deliver richer audio and sharper clarity, reducing listening fatigue during long call sessions.

Key Specs

• 32mm speaker drivers
• Super wideband audio frequency range
• Enhanced voice detail and tone

USB-C · USB-A · Plug-and-Play

Benefits

Connect instantly to any computer without driver installation. The tethered USB-A adapter ensures compatibility with both modern USB-C laptops and legacy USB-A workstations.

Key Specs

• Native USB-C connection
• Tethered USB-C to USB-A adapter included
• 2m cable length

Lightweight Stereo Design · 132g

Benefits

Stay comfortable through demanding workdays with a headset that disappears on your head. Dual-ear coverage blocks surrounding noise while keeping weight minimal.

Key Specs

• 132g lightweight construction
• Stereo (dual-ear) coverage
• Leatherette ear cushions

290° Rotating Boom · Inline Controls

Benefits

Wear the microphone on either side for personalized comfort. Intuitive inline controls put mute, volume, and call management at your fingertips.

Key Specs

• 290-degree rotating microphone boom
• Inline mute, volume, answer/end controls
• Microsoft Teams icon illumination

SoundGuard Digital · Hearing Protection

Benefits

Protect your hearing during extended use with technology that controls sudden audio spikes and manages daily noise exposure to safe levels.

Key Specs

• G616 anti-startle protection (below 102 dB SPL)
• Average daily noise exposure limiting (80/85 dBA)
• Acoustic shock protection (below 118 dBA)

Who Should Use This Product?

Contact Center Agents

Built for all-day call handling with lightweight comfort, AI noise reduction for clear voice transmission, and SoundGuard hearing protection for extended use in high-volume call environments.

Enterprise IT Deployments

Bulk packaging variant designed for large-scale rollouts with streamlined packaging, HP Poly Lens Admin Cloud management for thousands of endpoints, and TCO 10 certification for sustainability compliance.

Hybrid Office Workers

Ideal for professionals splitting time between office and home who need reliable audio quality, universal USB connectivity, and certification for Microsoft Teams, Zoom, and Google Meet.

Why Choose This Product

The HP Poly Mission 425 delivers enterprise-grade audio quality at an accessible price point, making it ideal for organizations deploying headsets at scale. AI noise reduction ensures professional call quality without requiring users to manually mute, while super wideband audio makes remote conversations feel more natural and reduces listener fatigue during back-to-back meetings.

For IT teams, the bulk packaging variant simplifies large deployments with streamlined packaging and centralized management through HP Poly Lens Admin Cloud. Deploy, configure, and update thousands of headsets from a single platform while users customize their experience via the HP Poly Studio App. The TCO 10 certification demonstrates commitment to sustainability with at least 30% post-consumer recycled plastic construction and paper-based packaging.

Will This Work for Me?

Works With

• Windows, macOS, iOS, Android, Chrome OS
• Microsoft Teams, Zoom, Google Meet, and other UC platforms

Requirements

• USB-C or USB-A port (adapter included)

Software

• HP Poly Studio App (optional, for SoundGuard Digital features and customization)
• HP Poly Lens Admin Cloud (optional, for enterprise device management)

Note

Bulk packaging variant for enterprise deployments—same headset as retail SKU with streamlined packaging. For retail packaging with leatherette cushions, see C01B6AA#AC3.

Downloads & Documentation

Datasheet - Mission 425 Bulk

PDF • 1.01 MB

Product Sheet - Poly Mission 400

PDF • 445.79 KB

User Guide - Poly Mission 400 / 600

PDF • 344.6 KB

Quick Start Guide - Poly Mission 400 / 600

PDF • 536.67 KB

What's in the Box

Headset
USB-C cable with tethered USB-A adapter

Frequently Asked Questions 53

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Technical Specifications

Audio Certifications Connectivity General Microphone Physical Traits Software

Primary Attributes

Active Noise Cancellation (ANC): No

Certifications: Microsoft Teams, Zoom, Google Meet

Connectivity: USB-C, USB-A

Corded / Wireless: Corded

Headset Speakers: Stereo (Two Ear)

Warranty: 24 months

Wearing Style: Over the Head, On the Ear

Wideband Audio: Yes

Audio

Active Noise Cancellation (ANC): No

Headset Speakers: Stereo (Two Ear)

Wideband Audio: Yes

Acoustic Shock Protection: Yes

Hearing Protection: SoundGuard DIGITAL

Speaker Size: 32 mm

Certifications

Certifications: Microsoft Teams, Zoom, Google Meet

TCO Certified: TCO 10 Certified

Works With Chromebook: Yes

Connectivity

Corded / Wireless: Corded

Connectivity: USB-C, USB-A

Device Controls: Volume Up / Down, Mute, Call Answer / End, MS Teams Button

General

Warranty: 24 months

Packaging Type: Bulk Packaging

Product Variant: Classic (Foam Cushions)

Microphone

Microphone Count: 1 microphones

Microphone Noise Reduction: AI-based noise reduction, Noise-canceling

Physical Traits

Wearing Style: Over the Head, On the Ear

Busylight: No

Ear Cushion Material: Foam

Ear Cushion Replaceable: Yes

Item Weight: 126 g

Microphone Boom Rotation: 285-290 degrees

Software

Companion App: HP Poly Studio App, HP Poly Lens

Firmware Updateable: Yes

Mission 400 Models (7)

Poly Mission 415 Mono USB Headset | USB-C | USB-A Adapter - C01B2AA#AC3

Mission 415 USB

SKU: C01B2AA#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$54.95

$69.95

Save $15.00

(21% off)

Poly Mission 425 Stereo USB Headset | USB-C | USB-A Adapter | Bulk Packaging – C01B3A6#AC3

Mission 425 Classic USB (Bulk Packaging)

SKU: C01B3A6#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$57.95

$67.95

Save $10.00

(15% off)

Poly Mission 425 Stereo USB Headset | USB-C | USB-A Adapter – C01B6AA#AC3

Mission 425 USB

SKU: C01B6AA#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$67.95

$79.95

Save $12.00

(15% off)

Poly Mission 415 Mono USB Headset | USB-C | USB-A Adapter | Bulk Packaging – C01A9A6#AC3

Mission 415 Classic USB (Bulk Packaging)

SKU: C01A9A6#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$44.95

$57.95

Save $13.00

(22% off)

Poly Mission 415 Mono USB Headset | USB-C | USB-A Adapter | Bulk Packaging - C01B2A6#AC3

Mission 415 USB (Bulk Packaging)

SKU: C01B2A6#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$54.95

$69.95

Save $15.00

(21% off)

Poly Mission 415 Mono USB Headset | USB-C | USB-A Adapter - C01A9AA#AC3

Mission 415 Classic USB

SKU: C01A9AA#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$44.95

$57.95

Save $13.00

(22% off)

Poly Mission 425 Stereo USB Headset | USB-C | USB-A Adapter – C01B3AA#AC3

Mission 425 Classic USB

SKU: C01B3AA#AC3

Condition: New

Stock: 250+

USB-A

USB-C

$57.95

$67.95

Save $10.00

(15% off)

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Poly Mission 425 Stereo USB Headset | USB-C | USB-A Adapter | Bulk Packaging – C01B6A6#AC3