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Sennheiser HD 4.50 BTNC

Over-ear wireless noise-canceling headphones

Item # 143HD45BTN

I think of noise cancellation and Bluetooth as the "peanut butter and chocolate" of headphones.

I think of noise cancellation and Bluetooth as the "peanut butter and chocolate" of headphones.

California customers:
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Discontinued item
3 questions - 6 answers

Item # 143HD45BTN

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About the Sennheiser HD 4.50 BTNC

Feature-packed headphones that fit in tight budgets

I think of noise cancellation and Bluetooth as the "peanut butter and chocolate" of headphones. Each is great on their own, but they're even sweeter when you put them together. The Sennheiser HD 4.50 BTNC wireless headphones offer both at a reasonable price. Music plays wirelessly from your phone, while Sennheiser's NoiseGard™ technology cancels out extraneous sounds around you. 

Feature-packed headphones that fit in tight budgets

I think of noise cancellation and Bluetooth as the "peanut butter and chocolate" of headphones. Each is great on their own, but they're even sweeter when you put them together. The Sennheiser HD 4.50 BTNC wireless headphones offer both at a reasonable price. Music plays wirelessly from your phone, while Sennheiser's NoiseGard™ technology cancels out extraneous sounds around you. 

My main takeaways — big bass and a firm fit

If you like deep bass from your headphones, the Sennheiser 4.50 BTNC headphones deliver. You get lots of powerful low end, for sure. The highs and mids are there too, but these headphones will especially satisfy those who prefer music with serious punch.

Their fit is a little too snug for my taste. But they feel light to wear, and I know some people — my wife for example — prefer the tighter fit. These headphones certainly won't fall off as you move around. I thought the no-slip grip on the headband was a nice touch — it has a soft, pleasant feel.  

 — Jeff Miller, Crutchfield headphone guy

Sennheiser 4.50 BTNC wireless headphones, folded up

The Sennheiser HD 4.50 BTNC headphones sport a no-frills, grown-up look and fold into a travel-friendly bundle.

Long battery life for travel

These headphones have a solid battery life. You get up to 19 hours of wireless music playback on a full charge, and that's with noise cancellation. You should get through most flights just fine — without scrambling to find a charging outlet at the airport.

Earcup controls for listening and phone calls on the go

Buttons and sliders on the right earcup control music playback, Bluetooth, and noise-canceling functions. They were a little tricky to master at first, but I got the hang of them pretty quick. One of the buttons even controls phone calls, so you can answer and talk as you move along.  

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Product highlights:

  • over-the-ear, closed-back design
  • built-in Bluetooth 4.0 for wireless music listening and phone calls
    • aptX® decoding provides high-quality music streaming from compatible devices
    • NFC-compatible for one-touch pairing with compatible devices
  • NoiseGard technology provides active noise cancellation
  • rechargeable battery provides up to 19 hours of wireless use with noise cancellation
    • up to 25 hours of wireless use with noise cancellation "off"
  • 32mm drivers deliver clear sound tuned for strong bass
  • earcup buttons offer control over music, calls, and noise cancellation
    • built-in microphone for phone calls
  • folding design for portability
  • durable headband with soft, padded grip
  • ergonomic, oval-shaped earpads
  • free Captune app for Apple® and Android™ allows you to adjust settings and view headphone battery life status on your phone
    • select from preset sound modes or customize your own setting
  • detachable cable with angled 3.5mm plug for wired listening
  • storage pouch
  • frequency response: 18-22,000 Hz
  • sensitivity: 113 dB
  • impedance: 18 ohms
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 506783

Fit FactorsSM

  • Feels light
  • Snug fit
  • Good for work/office

What's in the box:

  • Over-ear wireless headphones
  • 58" Audio cable with right-angled 3.5mm plug
  • 42" USB charging cable (Type A USB on one end and Micro-B USB on other end)
  • Soft cloth storage pouch
  • Quick Guide
  • Safety Guide
  • Feedback card

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Sennheiser HD 4.50 BTNC reviews

Average review:

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Crutchfield response

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More details on the Sennheiser HD 4.50 BTNC

Mark G.

Features & specs

General
Fit Style Over-the-ear
Earcup Type Closed
Earcup Width x Height 3.033" x 3.37"
Noise-canceling Yes
Bluetooth Yes
Bluetooth Version ---
Single-earbud Operation ---
Mic For Taking Calls Yes
Voice Assistant Access
Amazon Alexa No
Google Assistant No
Siri No
Connectors
3.5mm No
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Specs
Frequency Response 18-22k Hz
Sensitivity 113 dB
Impedance 18 Ohms
Weight 8.4 ounces
Cord Length 58"
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Features

Overview: The Sennheiser HD 4.50BTNC over-ear wireless headphones feature NoiseGard active noise cancellation as well as Bluetooth to give you the freedom to listen to your favorite music anywhere you want without the distraction of ambient noise. The HD 4.50BTNC headphones come with a USB charging cable, a straight audio cable, and a soft storage pouch.

NoiseGard: The HD 4.50BTNC Wireless headphones feature NoiseGard Active Noise Cancellation to shut out unwanted ambient noise and let in only your music. With a closed-back design, the headphones block much of the outside noise from your environment. NoiseGard uses two small microphones on the outside of the ear cup to pick up the remaining noise and generate an opposite noise-canceling sound wave. All you hear is your music with all of its detail.

Bluetooth: The HD 4.50BTNC headphones are compliant with the Bluetooth 4.0 standard, and have the following profiles: HFP (Hands-Free Profile), HSP (Headset Profile), AVRCP (Audio Video Remote Control Profile), and A2DP (Advanced Audio Distribution Profile). In addition, aptX audio coding provides high quality audio that is comparable to a wired connection. You can pair the headphones with most Apple and Android Bluetooth devices, including those with NFC (Near Field Communication).

Battery: The Bluetooth function is powered by a 3.7-volt 600mAh Lithium-Polymer rechargeable battery. The battery charges in approximately 2 hours using the supplied Micro USB charging cable. A full charge supplies enough power for 25 hours of wireless listening, or 19 hours with Bluetooth and NoiseGard. The remaining battery level can be monitored through the flashing LED and voice prompts. The battery life may also be displayed on the screen of your smartphone or device.

On-board Controls: The HD 4.50BTNCs have built-in controls on the right ear cup for power, volume, and music/phone call control. Music controls include play/pause, skip to next track, skip to previous track, fast forward, and fast reverse. Phone controls include accept/end a call, reject call, call on hold, and toggle between 2 calls. Established calls can be transferred from the headphones to the smartphone by turning off the Bluetooth connection. Using the Voice Control function of your phone, you can make a call by speaking a command.

Audio Cable: The included 58" audio cable lets you listen to your music when the battery is exhausted, or when you cannot, or choose not to, use Bluetooth. The cable terminates into a slender right-angled 3.5mm plug that is compatible with most smartphone cases. The cable does not have an in-line remote, and the on-board controls do not work when the power is off.

Specifications:

  • Frequency Response: 18 Hz to 22 kHz
  • Impedance: 18 Ω
  • Sound Pressure Level (SPL): 113 dB (1 kHz, 1 Vrms)
  • Total Harmonic Distortion (THD): <0.5 % (1 kHz, 100 dB SPL)
  • Dimensions (Ear Cup): Width 3.033", Height 3.7", Depth 1.85"
  • Weight: 8.4 ounces (8.9 oz. with cable)

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Customer Q&A

3 questions already asked

Q
How well do these work with gaming or video systems?
[ Ray  Dec 31, 2019 ]
3 answers
A
They work pretty well but I mainly just use them with my home stereo.
[ Christopher Lyn  Jan 02, 2020 ]
A
Idle-Wish I knew! I got these for my husband who says he can't figure them out...
[ Victoria  Jan 01, 2020 ]
A
I have only used mine for videos and music while traveling. Love them. Dennis
[ Dennis  Jan 01, 2020 ]
Q
Does it have a replaceable battery ?
[ byron  Nov 15, 2018 ]
2 answers
A
no
[ John  Nov 16, 2018 ]
A
I am not aware of a replaceable battery. Haven't seen any opening for a battery. In 16 months, battery has never been an issue. I would suggest additional online searches or contact the manufacturer.
[ SCOTT W.  Nov 15, 2018 ]
Q
is the warranty international ?
[ Richa  Jan 29, 2018 ]
1 answer
A
For more specifics on the warranty coverage you'll want to contact Sennheiser directly--their support number is 860-434-9190; and you can check their online support site here: https://en-us.sennheiser.com/service-support Thanks!
[ Larry  Feb 05, 2018 ]  Staff

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