Sennheiser promised to deliver on several new headphones and earphones and the most anticipated so far is the . The entire line of Sennheiser HD 4 Series headphones is a relatively new approach that focuses on a more robust sound in a comfortable and portable headphone.

Sennheiser HD 4.50BTNC are large on-ear wireless headphones with Bluetooth as well as NFC connectivity

Yes, if you are looking for a top-end noise cancelling headphone. At the moment this is among the best you can buy and comes with the added advantage of being wireless and versatile enough to work with all kinds of sources from laptops to smartphones. Go ahead, this is a good choice.

Supremely comfortable, lightweight and superior sound. The latest wireless offering from Sennheiser does not disappoint. The sound is crisp and clean and with the active noise-cancelling feature, you can blissfully work away and drown out your surrounds. I cannot fault these.

It's hard to make a pair of Bluetooth headphones with quality noise cancellation for a reasonable price-we haven't found a winning pair yet. The Sennheiser HD 4.50 BTNC come close, but ultimately there are some quirks that stick out, like the noise cancellation's impact on audio and the slightly...

Strong bass response matched with crisp, bright highs; Bluetooth functionality and active noise cancellation; Detachable cable for wired listening

Noise cancellation affects audio performance; Can get uncomfortable over long listening sessions; Not for those seeking accurate sound signature

The field of wireless, noise-canceling headphones used to be thin, but is swiftly filling up with surprisingly high-quality options. The undisputed leader is Bose, with the excellent QuietComfort 35. At nearly half the price, should Sennheiser's $199.95 HD 4.50 BTNC headphones make Bose nervous? The answer is complicated: The 4.50 BTNC do many things quite well, but also suffer from some performance quirks that might be deal breakers despite their relatively affordable price. Design Available in black, the headphones have a matte finish with silver-colored details. The plush circumaural (over-ear) earpads provide a hint of luxury, and they also function to passively eliminate a decent swath of ambient room noise before the active noise cancellation is even engaged. Despite only light padding on the headband's underside, the headphones are initially comfortable, though over long listening periods the headband can start to makes it presence known on the top of your scalp. Regardless...

The Sennheiser HD 4.50 BTNC headphones deliver a powerful Bluetooth audio experience and decent noise cancellation for the price, but some performance quirks hold them back.

Strong bass response matched with crisp, bright highs; Bluetooth functionality and active noise cancellation; Detachable cable for wired listening

Noise cancellation affects audio performance; Can get uncomfortable over long listening sessions; Not for those seeking accurate sound signature

Who says great noise-cancelling's reserved for the elite? Now Sennheiser has dropped the gauntlet on the competition by launching the HD 4.50 BTNC Noise-cancelling headphones. It's much less expensive than the venerated Bose noise-cancellers that dominated Business Class cabins.

Not everybody can afford a premium wireless noise-canceling headphone, which is where Sennheiser's more budget-conscious HD 4.50 BTNC Wireless comes in. At $200 (￡170, $AU329), it's not cheap, but it's less than what you'll pay for certain models from Sony and Bose -- and Sennheiser, too.

The Sennheiser HD 4.50 BTNC Wireless is wireless noise-canceling headphone with effective noise canceling that sounds great and costs significantly less than Bose's QuietComfort 35; It works well as a headset and offers decent battery life; The headphones fold up into a simple canvas carrying bag

Not quite as comfortable as higher-end models from Bose; Sony and Sennheiser

Not everybody can afford a premium wireless noise-canceling headphone, which is where Sennheiser's more budget-conscious HD 4.50 BTNC Wireless comes in. At $200 (£170, $AU329), it's not cheap, but it's less than what you'll pay for certain models from Sony and Bose -- and Sennheiser, too.

Sennheiser's HD 4.50 BTNC Wireless gets you most of what you want in a premium wireless noise-canceling headphone but costs significantly less.

The Sennheiser HD 4.50 BTNC Wireless is wireless noise-canceling headphone with effective noise canceling that sounds great and costs significantly less than Bose's QuietComfort 35; It works well as a headset and offers decent battery life; The headphones fold up into a simple canvas carrying bag.

Not quite as comfortable as higher-end models from Bose; Sony and Sennheiser.

There aren't too many headphones out there that offer both noise cancelling and built-in Bluetooth. Out of those select few, fewer again are actually worth your time and effort and attention.