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

Item # 143ACNTUMW

Form-fitting headphones that offer top-notch noise cancellation, 50 hours of battery life, and deep, powerful bass.

Form-fitting headphones that offer top-notch noise cancellation, 50 hours of battery life, and deep, powerful bass.

1 question - 1 answer

Item # 143ACNTUMW

In stock
$179.95

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About the Sennheiser Accentum

Jeff Miller

High-value and high-performance headphones

The form-fitting Sennheiser Accentum wireless headphones are loaded with some of the company's best features. Chief among them — Sennheiser's signature dynamic drivers, tuned for sonic clarity and deep bass. These headphones also boast up to 50 hours of battery life and top-notch hybrid adaptive noise cancellation.

High-value and high-performance headphones

The form-fitting Sennheiser Accentum wireless headphones are loaded with some of the company's best features. Chief among them — Sennheiser's signature dynamic drivers, tuned for sonic clarity and deep bass. These headphones also boast up to 50 hours of battery life and top-notch hybrid adaptive noise cancellation.

Man wearing Sennheiser Accentum headphones

Low-profile look, snug, secure fit, adaptive noise cancellation, and transparency mode when you need to be aware.

Newer processing and circuitry work together with four built-in microphones to help knock out loud distractions. Together, they read external sounds and distractions, then adjust the amount of noise cancellation in real time.

Strong, high-quality wireless audio

Music plays wirelessly from your phone via Bluetooth 5.2 — a newer, more reliable version of Bluetooth. For higher quality streaming, aptX® HD technology is on board. It can preserve more musical detail from compatible sources.

Stay aware when you're out and about

When you need to be aware of your surroundings, you can push the "main" button on the right earcup. This turns off the active noise cancellation and activates "Transparency" Mode. It uses the built-in mic to increase the volume of ambient sounds, so you can hear what's going on around you.

Sennheiser's free app lets you adjust the sound and noise cancellation

For manual control over the sound profile, download the free Smart Control app to your Apple® or Android™ device. It lets you tweak the out-of-the-box sound. Choose from sound setting presets, adjust the EQ manually, or use the app's equalizer screen to make tonal adjustments based on your mood.

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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 tuned for strong bass
Active noise cancellation:
  • adaptive hybrid noise-canceling circuitry automatically adjusts to the level of external sound
    • uses a four microphone system to analyze your surroundings in real time
  • Transparency mode lets you hear external sounds and voices
Controls and mobile app:
  • free Sennheiser Smart Control app for Apple® and Android™ allows you to adjust settings and customize the sound
    • select from preset sound modes or customize your own setting
  • dedicated earcup buttons for control over music, calls, volume, and noise cancellation
    • built-in microphone for phone calls
  • earcup button can summon Google Assistant or Siri on your smartphone or tablet
    • ask questions, dictate texts, and control music by voice
    • requires one-time setup on Smart Control app
General info, accessories, and specs:
  • snug fit with ergonomic, oval-shaped earpads
    • durable headband with soft, padded grip
    • headband does not fold up
  • USB-A to USB-C for charging and listening to compatible digital source
  • headphones must be powered on, no passive listening
  • carrying case
  • frequency response: 10-22,000 Hz
  • sensitivity: 108 dB
  • warranty: 2 years
  • MFR # 700175

What's in the box:

  • Over-ear headphones (white)
  • 48" USB audio/charging cable (USB-A on one end and USB-C on other end)
  • Quick Guide
  • Safety Instructions
  • Compliance Information

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More details on the Sennheiser Accentum

Mark G.

Features & specs

General
Fit Style Over-the-ear
Earcup Type Closed
Earcup Width x Height 3.072" x 3.755"
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
Connectors
3.5mm No
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other USB-A
Specs
Frequency Response 10-22k Hz
Sensitivity N/A dB
Impedance N/A
Weight 7.85 ounces
Cord Length 48"
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Features

Overview: The Sennheiser Accentum Wireless (ACAEBT) headphones have a closed circum-aural (over-the-ear) design with Bluetooth 5.2 technology and Hybrid ANC (Active Noise Cancellation). The headphones come with a USB charging cable that can also be used to stream music or content from your PC or Mac. The robust rechargeable battery gives you up to 50 hours of playback time on a single charge.

Drivers: Accentum Wireless is equipped with 37mm Dynamic drivers to deliver crisp, deep bass and brilliant highs.

Bluetooth: The Accentum 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, and aptX HD. The headphones also support the following profiles -- HFP, HSP, AVRCP, and A2DP.

aptX HD: The aptX HD codec was designed to support high-resolution audio over Bluetooth. It supports 48kHz/24-bit music so you can hear the smallest details in your music. Signal-to-noise is improved, giving you lower back ground noise, and distortion is reduced for higher quality sound. AptX HD is backwards compatible with (regular) aptX and aptX Low Latency.

Onboard Controls: The Accentum has a Main button on the right earcup that turns the headphones on/off, activates Bluetooth pairing, cycles through ANC and Transparency Modes, and activates the native Voice Assistant on your mobile device. The Music/Voice Control button lets you control music playback (play/pause, next/previous track) with one, two, or three presses. During a call this button mutes/unmutes the microphone. The same button controls phone calls (accept/end call, reject call, put call on hold) with one or two presses, or a long press. On either side of the Music/Voice Control button are Volume Up and Volume Down buttons.

Active Noise Cancellation: The Accentum Wireless headphones feature Hybrid Active Noise Cancellation (ANC). Four microphones, two outside the earcup and two inside the earcup, pick up ambient noise. The headphones cancel the ambient noise with an equal, but opposite, audio signal. ANC is most effective with low-frequency noise. In the Sennheiser Smart Control app, you can adjust the settings for ANC, including turning on/off the Wind Noise Reduction feature.

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. Using the Main button on the right earcup, you can cycle through Active Noise Cancellation, Transparency Mode, and Idle Mode (not on a call or listening to music).

Smart Control App: The Sennheiser Smart Control app lets you control and personalize the Accentum Wireless headphones to your needs and convenience. In addition to configuring the Active Noise Cancellation and Transparency Mode features (described above), the app offers an equalizer for adjusting the bass, midrange, and treble 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) and Android devices (requires Version 8.0 and up).

Rechargeable Battery: The Accentum Wireless headphones are powered by an internal, 3.7VDC 800 mAh Lithium-ion rechargeable battery. The battery charges in about 3 hours via USB power (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 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.

Specifications:

  • 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)
  • Dimensions:
    • External: Width 3.072", Height 3.755", Depth 1.789"
    • Internal: Width 1.577", Height 2.414", Depth 0.648"
    • Weight: 7.85 ounces

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Customer Q&A

1 question already asked

Q
How do these compare to Cleer Enduro ANC?
pete  Oct 24, 2023
1 answer
A
Greetings Pete. Thank you for your question. Unfortunately we are not going to have the chance to A/B hundreds of headphones. We have a compare page you can select both, and get the information. Sennheiser has a newer version of Bluetooth which is never a bad thing. We do have a 60 day satisfaction guaranty if your not happy with any product, we can take them back.
hogan  Oct 24, 2023 (Staff)

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