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Sennheiser Accentum Plus Over-ear wireless noise-canceling headphones (White)

Item # 143ACNTMPW

These noise-canceling over-ears bridge the gap between Sennheiser's Accentum and top-flight Momentum 4 headphones.

These noise-canceling over-ears bridge the gap between Sennheiser's Accentum and top-flight Momentum 4 headphones.

Item # 143ACNTMPW

In stock

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About the Sennheiser Accentum Plus

Jeff Miller

Form-fitting and feature-packed, with above average noise cancellation

Sennheiser aimed for a sweet spot with the Accentum Plus noise-canceling headphones. These wireless over-ears are a step up from the original Accentum, adding more adaptive noise cancellation, touch controls, and a wider, more spread-out sound presentation. Their feature set inches closer to Sennheiser's flagship Momentum 4 over-ears, while the design and materials feel pleasant, but not quite as premium.

Form-fitting and feature-packed, with above average noise cancellation

Sennheiser Accentum Plus

The Sennheiser Accentum Plus have a durable look and feel and offer strong, tightly controlled bass.

Sennheiser aimed for a sweet spot with the Accentum Plus noise-canceling headphones. These wireless over-ears are a step up from the original Accentum, adding more adaptive noise cancellation, touch controls, and a wider, more spread-out sound presentation. Their feature set inches closer to Sennheiser's flagship Momentum 4 over-ears, while the design and materials feel pleasant, but not quite as premium.

I found the Accentum Plus headphones fit snugly on the ears, with little pressure on my head from the softly padded headband. They offer above-average noise cancellation at this price — and managed to silence the noisy appliances in my laundry room before I even hit play. Music plays wirelessly via Bluetooth 5.2, and they boast up to 50 hours of battery life.

Strong, high-quality wireless audio

Along with Bluetooth 5.2, aptX™ Adaptive technology is on board. This versatile wireless audio codec automatically detects if you're in an area with competing Bluetooth signals, and it will optimize either reliability or sound quality accordingly. It can also sense when you're watching a video on, say, Netflix or YouTube, and keep latency low. So, the audio and video should be better synced up.

My listening impressions

Sonically, the Accentum Pluses lean closer to the Accentum than the more linear-tuned Momentum 4s. They have more of what you'd call a "V-shaped" tuning where the bass hits hard and highs have extra sparkle. The mids — including the bulk of the vocals — are relaxed in the mix.

For me, this tuning worked best for EDM, bass-heavy hip-hop, and R&B tracks with higher-register vocals, horns, and samples. It played to the strengths of SZA's collaboration with Phoebe Bridgers on "Ghost in the Machine," lending the track a hazy, dream-like overall vibe, cut with deep bass knock and an almost metallic or mechanical sizzle up top.

These headphones wouldn't be my first choice for jazz or classical due to the laid-back midrange, but there are certain recordings that benefit from the tuning. One shining example was cellist Anastasia Kobekina's Venice. Throughout the album, she tends to operate in the extremes of the cello's sonic capabilities — thumping out emphatic, yet nicely controlled bass and textured highs. The Accentum Plus offers much more detail and restraint than your typical "bass headphones."

Optional mobile app for your personal sound profile

That said, you can tailor the sound to your liking with Sennheiser's Smart Control app. It's a free download for Android™ and Apple®, and lets you adjust the EQ manually or choose from a few presets. Or you can take it one step further with Sennheiser's "Sound Personalization" feature. The app takes you through a series of listening tests to assess your preferences, then special algorithms help calibrate the sound accordingly.


Product highlights:

  • over-the-ear, closed-back design
  • built-in Bluetooth 5.2 for wireless music listening and phone calls
    • aptX-HD and AAC decoding provides high-quality music streaming from compatible devices
    • aptX Low Latency decoding helps sync audio and video on compatible devices
  • rechargeable battery provides up to 50 hours of wireless use with noise cancellation
    • 10-minute quick charge provides up to 5 hours of battery life
  • 37mm dynamic drivers deliver clear sound with an emphasis on highs and strong bass
    • angled design helps extend soundstage
Active noise cancellation:
  • adaptive noise-canceling circuitry automatically adjusts to the level of external sound
    • uses advanced microphone system to analyze your surroundings in real time
  • transparency mode lets you hear external sounds and voices
Touch controls and mobile app:
  • earcup touch controls let you answer calls, play/pause music, skip tracks, and control volume
    • two taps on right earcup toggles noise cancellation and transparency mode
    • built-in microphone for phone calls
  • free Sennheiser Smart Control app for Apple and Android allows you to adjust settings and customize the sound
    • choose level of noise cancellation or Transparency
    • optional sound personalization uses a guided listening test that helps tailor the sound to your preferences
  • dedicated earcup button summons your phone's voice assistant
General info, accessories, and specs:
  • snug fit with ergonomic, oval-shaped earpads
    • durable headband with soft, padded grip
    • headband does not fold up, but earcups fold flat
  • USB-A to USB-C charging cable
  • 49" audio cable with 3.5mm miniplug for wired use
    • passive mode allows continued listening when the battery runs out (noise cancellation requires battery power)
  • carrying case
  • frequency response: 10-22,000 Hz
  • sensitivity: 108 dB
  • warranty: 2 years
  • MFR # 700177

What's in the box:

  • Over-ear wireless headphones (white)
  • 49" USB charging cable (USB-A on one end and USB-C on other end)
  • 49" Audio cable (2.5mm plug on one side and right-angle 3.5mm plug on other end)
  • Zippered storage case
  • Quick Guide
  • Safety Instructions
  • Compliance Information

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More details on the Sennheiser Accentum Plus

Mark G.

Features & specs

Fit Style Over-the-ear
Earcup Type Closed
Earcup Width x Height 3.12" x 3.812"
Noise-canceling Yes
Bluetooth Yes
Bluetooth Version 5.2
Single-earbud Operation No
Mic For Taking Calls Yes
Voice Assistant Access
Amazon Alexa No
Google Assistant Yes
Siri Yes
3.5mm Yes
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Frequency Response 10-22k Hz
Sensitivity 106 dB
Impedance 95 Ohms
Weight 7.95 ounces
Cord Length 49"
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


Overview: The Sennheiser Accentum Plus Wireless (ACPAEBT) headphones have a closed circum-aural (over-the-ear) design with Bluetooth 5.2 technology and Hybrid Adaptive ANC (Active Noise Cancellation). The headphones come with a USB charging cable (USB-A to USB-C) that can also be used to stream music or content from your PC or Mac. Also included is an analog audio cable for connecting to a smartphone or other portable device. The robust rechargeable battery gives you up to 50 hours of playback time on a single charge. When you're finished listening or travelling, you can store the headphones in the provided zippered travel case.

Drivers: Accentum Plus Wireless is equipped with 37mm Dynamic drivers to deliver the Sennheiser Signature Sound, with crisp, deep bass and brilliant highs. The drivers are angled inside the earcup to create a wide, immersive sound stage.

Bluetooth: The Accentum Plus Wireless headphones have Bluetooth version 5.2 which pairs to your phone or audio device in seconds. You can make and receive phone calls and stream audio wirelessly in a range of up to 33', depending upon environmental conditions. The following codecs are supported: SBC, AAC, aptX, and aptX Adaptive. The headphones also support the following profiles -- HFP, HSP, AVRCP, and A2DP. The headphones can save the connection profiles of up to six Bluetooth devices to which they have been paired. Pairing the seventh device overwrites the profile of the least used Bluetooth device. Up to 2 active connections can be paired at the same time (multi-point).

Passive Listening: The included 49" audio cable lets you listen to your audio source when you can't (or don't want to) listen via Bluetooth. This includes when the headphone's battery is exhausted, or when wireless transmission is not allowed. The cable plugs into the right earcup's 2.5mm sub mini jack, and into your source device via the right-angled 3.5mm plug. When you connect the cable, the Bluetooth wireless connection is deactivated. Functions for controlling music, phone calls, or the voice assistant are not available. Active Noise Cancellation (ANC) can be used as long as there is sufficient battery power.

aptX Adaptive: When your connected wireless audio source supports aptX Adaptive, you can listen to your content in crisp, HD-quality sound. aptX Adaptive offers a dynamic Low Latency (LL) mode to help keep the audio and video perfectly in sync. The bit rate adjusts to provide seamless audio and fewer dropouts. If the device is not equipped with aptX or AAC (Advanced Audio Coding), the music will be streamed in the standard quality mode (SBC).

Touch Pad: The right earcup is equipped with a touch pad that lets you control music playback and phone calls with a tap or swipe. It also has a multi-function button for power on/off, pairing, muting audio, or activating the voice assistant. Forward and backward swipes are used for skipping music tracks, and for accepting and ending calls. Tap and touch/hold actions can pause/play music and rejecting calls, or putting calls on hold. Vertical swipes can raise and lower the volume. In the Sennheiser Smart Control app, you can customize the touch controls, or deactivate the touch pad to prevent unintentional actions.

Smart Pause: Accentum Plus features a sensor that can detect when you're wearing the headphones, and when you take them off. If Smart Pause is activated (in the app), you can use the following functions:

  • During music playback, the music pauses when you remove the headphones, and resumes playback when you put them back on.
  • When a phone call comes in, the call is accepted when you put on the headphones.
  • During a call, the microphones are muted with you take off the headphones, and unmuted when you put them back on.

Microphones: The headphones are equipped with four (2 per earcup) omni-directional MEMS microphones for speech pickup. This 2x2 beamforming array helps to block external noise and enhance your voice for clear phone calls, and for giving commands to your voice assistant. In addition, there are two microphones on top of each earcup, one directed inward and one directed outward, for active noise cancellation (ANC).

Active Noise Cancellation: The Accentum Plus Wireless headphones feature Adaptive Hybrid Active Noise Cancellation (ANC). The ANC microphones pick up ambient noise outside and inside the earcups. The headphones cancel the ambient noise with an equal, but opposite, audio signal. The Adaptive ANC dynamically adjusts to changing noise levels to provide a noise-free listening environment. ANC is most effective with low-frequency noise, such as HVAC systems, airline noise, and machinery. In the Sennheiser Smart Control app, you can adjust the settings for ANC, including enabling the Wind Noise Reduction feature. You can set Wind Noise Reduction to Max, Auto, or Off.

Transparency Mode: The Transparency Mode lets you stay aware of your surroundings while wearing the headphones. It lets you carry on conversations, listen to important announcements, or hear street noise and nearby traffic. Double-tapping the touch panel on the right earcup, you can activate Transparency Mode and mute your music playback to let you hear only ambient sounds. Another double-tap deactivates Transparency Mode and unmutes your music playback to mix with ambient sounds.

Smart Control App: The Sennheiser Smart Control app lets you control and personalize the Accentum Plus Wireless headphones to your needs and convenience. In addition to configuring the Adaptive Hybrid Active Noise Cancellation and Transparency Mode features (described above), the app offers various sound modes and a 5-band equalizer for adjusting the sound to your liking. Using your smartphone's touch screen, you can make adjustments to the sound by moving an onscreen dot up or down to raise or lower the selected frequencies. The latest settings made in the app are stored in the headphones, and will be active the next time you use the headphones, whether you use the app or not. You can deactivate the EQ by touching the center dot on the EQ graph to "center" the settings. The Smart Control app is available for iOS devices (requires Version 13.0 or later), Apple Vision (requires visionOS 1.0 or later), and Android devices (requires Version 8.0 and up).

Rechargeable Battery: The Accentum Plus Wireless headphones are powered by an internal, 5-volt, 700 mAh (2.96 Wh) Lithium-ion rechargeable battery. The battery charges in about 3.5 hours via USB power (5V-700mA max) using the supplied USB cable from a laptop, an AC-powered USB charging port, or a mobile 12-volt USB charging port. A 10-minute Quick Charge gives you up to 5 hours of playtime. A fully-charged battery provides up to 50 hours of music playback using both Bluetooth and Active Noise Cancellation. You can keep track of the remaining battery life through the multi-color LED and voice prompts, as well as on your connected smartphone or tablet.

Voice Assistant: The Accentum Plus Wireless headphones is compatible with the Voice Assistant that is available on your mobile device, including Google Assistant and Siri. You can set up your Voice Assistant using the Smart Control app, and activate it using the Multi-Function button on the right earcup.


  • Frequency Response: 10Hz - 22kHz (-10dB)
  • Total Harmonic Distortion (THD): <0.3% (1 kHz, 100 dB SPL)
  • Sound Pressure Level (SPL): 106dB SPL (1 kHz, 0 dB FS)
  • Impedance:
    • Active (wireless): 560Ω
    • Passive (wired): 95Ω
  • Microphone Frequency Response: 50Hz - 8kHz (-3dB)
  • Temperature Ranges:
    • Operation: 32°F to 104°F (0°C to 40°C)
    • Charging: 50°F to 104°F (10°C to 40°C)
    • Storage: -4°F to 140°F (-20°C to 60°C)
  • Dimensions:
    • External: Width 3.12", Height 3.812", Depth 1.789"
    • Internal: Width 1.596", Height 2.345", Depth 0.708"
    • Weight: 7.95 ounces (w/o cable)

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