Sennheiser HD 4.5 BTNC Review


The Sennheiser HD 4.50BTNC headphones are fabulous if you’re on a budget because it’s a lot cheaper than its counterparts.

Sennheiser is well known for its outstanding headphones and electronic products. And they made a great design, budgeted headphone known as the Sennheiser HD 4.50BTNC.

If you’re looking for an excellent headphone that you can invest in, let’s first dive deep into what the Sennheiser HD 4.50BTNC headphones design, performance, and features that it can provide you with.


    • Impedance: 18 Ω
    • Frequency response (Microphone): 100 – 10,000 Hz
    • Sound pressure level (SPL) 113dB (Passive: 1kHz/1Vrms)
    • THD, total harmonic distortion <0.5% (1kHz/100dB)Pick-up pattern
    • Dual omnidirectional microphonesBattery Specification:Li-ion Polymer Battery
    • Codecs: AptX
    • Frequency response: 18 – 22,000 Hz

Headphone Design

To begin with, the Sennheiser HD 4.50BTNC’s have an excellent quality overall build to the headphones. And the material used is high-quality plastic, with a beautiful matte-black finish to the entire design.

The adjusters and bands are also made up of quality plastic; however, it would be super awesome if the adjusters were made up of metal for more durability. But the plastic design suffices.

The top portion of the headphones has extra padding for added comfortability.

Also, if you need to store the Sennheiser HD 4.50BTNC’s away, then you’ll be able to fold each earpad easily and store them into a pouch or a casing, which is pretty convenient.


In the wearability factor, during prolonged use of wear time, you may feel a bit of discomfort in the lower facial regions while wearing the Sennheiser HD 4.5 BTNC’s for a few hours.

But overall, the headphones were comfortable to wear and shouldn’t cause any major issues down the road.

The headphones are lightweight by design, weighing approximately 236g and shouldn’t cause any long-term discomfort ability. The headphones

The headband was pretty thin, considering the Sennheiser HD 4.5 BTNC’s weigh pretty light by design. And for comfortability, it seems to be alright, however, after an hour of prolonged usage, you may start to feel a bit of slight discomfort when wearing the Sennheiser HD 4.5 BTNC headphones, but not to a significant degree.


In terms of headphone controls, you’ll be able to locate the physical buttons on the right ear cup.

However, there are no sensory or motion controls, so the Sennheiser HD 4.5 BTNC’s will have all physical buttons.

Power & Multi-Functional Button

The buttons consist of the power button, a multi-functional button to control your tracks, and, at the same time, also to pick-up incoming phone calls as well.

Active Noise Canceling Button

Also, you’ll be able to locate the active noise canceling button, which lets you enable or disable the active noise cancelation feature.

And located under the right ear cup, you’ll be able to find the wire input in case if you want to attach wires. It’s a three and a half, which can also lock into place in case if you do accidentally yank the cord.

In terms of experience ANC, you won’t get that cabin pressure feeling that you get from certain headphones, which is another bonus.

The ANC feature did block out a lot of noise compared to the other competitors, such as the current JBL headphones and the Parrot Zik’s as well.

Battery Life

With active noise canceling off, the Sennheiser HD 4.5 BTNC’s can get up to 25 hours of battery life. And this is great if you’re traveling long distances or if you’re ever on the road.

Headphone Charging

The Sennheiser HD 4.5 BTNC’s uses a mini USB port to charge the headphones.

However, you won’t be able to simultaneously charge both the headphones while listening to music at the same time. But this shouldn’t be an issue because charge times are pretty quick and will give you a more extended headphone use.


The near field communication (NFC) works great and easy to use. Just place your mobile phones near your headphones’ ear cup, and the headphones will automatically pair up with your mobile phone.


The BlueTooth coverage is excellent with the Sennheiser HD 4.5 BTNC’s and has a far distance coverage. It’s great if you’re reasonably far away from your mobile or electronic device as well.

Features and Performance

Microphone Feature

During phone calls, the Sennheiser HD 4.50BTNC did a great job in this area, and the voice was crisp and clear during phone call sessions.

However, there were a few background noises that leaked through the headphone during calls, but this shouldn’t be a significant issue because the receiver will still receive your voice loud and clear.

Audio Performance

The Sennheiser HD 4.5 BTNC’s performed awesomely well in terms of audio performance. Thanks to its well balanced and crisp-like sounds, you’ll be able to immerse yourself into your music and media fully, making the Sennheiser HD 4.5 BTNC’s some of the best headphones for gaming and up there with the best headphones for music as well.

The bass for the Sennheiser HD 4.5 BTNC’s sound and feel natural. However, if you’re looking for a bass booster, you won’t find that here. But overall, the bass of the Sennheiser HD 4.5 BTNC’s do have a nice bump to it while listening to different jams.

However, sometimes if you’re around 70 to 90 % of music volume, some music didn’t sound too loud and seemed like the volumes were in the mid-range. But overall, the sound was clear and crisp.


Overall the Sennheiser HD 4.5 BTNC‘s are reasonably decent and do deliver the sound performance necessary for total immersion. The bass sounded natural and will still give you that extra bump when listing to your favorite tunes.

So if you’re rolling on a budget and need to upgrade to an excellent headphone with affordability, then you’ll need to invest in the Sennheiser HD 4.5 BTNC headphones for sure.

You can also check out some of the best active noise-canceling headphones that are in the current market, such as the Sony W8’s and the Bose 700, to name a few of the top-notch ones.

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