Sennheiser HD 4.50BTNC Wireless Noise Cancelling Headphones – 506783 – Open Box

Save $150.00

$ 279.99 $129.99

Condition: Open Box

Sennheiser HD 4.50BTNC Wireless Noise Cancelling Headphones – 506783 – Open Box

These Sennheiser 4.50BTNC Headphones are an OPEN BOX item.
Click Here
For Gibby’s “OPEN BOX” Definition

  • Powerful battery lets you enjoy music for up to 25 hours
  • Around-ear design and deep, ergonomic ear pads
  • Integrated microphones allow you to make and receive calls, change tracks, or adjust the volume

Only 1 left in stock

Free Shipping
SKU: HD4.50BTNC -ob Item #: 506783 Categories: ,

Product Description

Sennheiser HD 4.50BTNC Wireless Noise Cancelling Headphones – 506783 – Open Box

The new closed-back Sennheiser HD 4.50BTNC headset delivers everything required by a music aficionado with an active lifestyle. There’s the stunning Sennheiser sound and the latest wireless technology, all crafted in an elegantly minimal yet robust design, made from the highest-quality materials. But most of all, Sennheiser’s NoiseGard™ active noise cancellation lets you enjoy your music in peace – everywhere.


Take your music with you, anywhere. Versatile and vibrant, the HD 4 series comprises the complete Sennheiser quality package in a range of durable, closed-back, over-ear headsets that redefine the quality of sound. Add the legendary Sennheiser sound to your everyday routine, and power your life with music.

This headset was designed after the requirements of demanding listeners who are not content to just hear their music on the go, but want to enjoy it, no matter where. So we gave it our NoiseGard™ active noise cancellation – the power to eliminate any noise that could come between you and your music, which the Sennheiser HD 4.50BTNC delivers to you in the renowned Sennheiser sound. Enjoy your musical freedom – unwired and undisturbed. Everywhere. Every day.


With the Sennheiser HD 4.50BTNC, you can enjoy your music and nothing else. Period. The noisy world around you is shut out by NoiseGard™, the active noise cancellation technology developed by Sennheiser. Just turn on, sit back, and indulge in the refined sound of this powerful closed-back headset: Rich details, vivid, powerful bass, soaring highs, all delivered by proprietary Sennheiser drivers.


The Sennheiser HD 4.50BTNC is all about freedom, so there’s no cable. Instead, you can pair your compatible device in a flash, using Near Field Communication (NFC) technology. The headset is built with state-of-the-art wireless technology and audio codec for reliable transmission. The wireless Hi-Fi sound is so good you’ll need to hear it to believe it.

Additional Information


– Impedance: 18 Ω
– Frequency Response (Microphone): 100 – 10,000 Hz
– Frequency Response: 18 – 22,000 Hz
– Sound Pressure Level (SPL): 113dB (Passive: 1kHz/1Vrms)
– THD (Total Harmonic Distortion): <0.5% (1kHz/100dB) - Pick-Up Pattern: Dual omnidirectional microphones - Battery Specification: Li-ion Polymer Battery - Codecs: AptX

Headphone Features

Bluetooth, Built-in Microphone, Closed-Back, Noise Cancelling, Wireless

Headphone Type

Over the Ear



In the Box

– HD 4.50BTNC Headphones
– Carry Case
– Audio cable with 2.5 mm and 3.5 mm jack plug
– USB charging cable with micro-USB connector
– Quick guide
– Safety guide


Open Box

Estimated Shipping

When you add an item to your cart the Estimated Shipping* cost will be shown.  This estimated shipping* cost is accurate to most major city locations across Canada.  If the shipping cost is higher than the estimated shipping* then GibbysESM will contact you for approval before we process your order.

To learn more click Shipping Terms & Conditions

Sennheiser Canada 2 Year Warranty


There are no reviews yet.

Be the first to review “Sennheiser HD 4.50BTNC Wireless Noise Cancelling Headphones – 506783 – Open Box”