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AKG K 550 (Factory Refurbished) Around-the-ear headphones

Item # 039K550Z

If the AKG K 550 headphones have piqued your interest but not yet spurred a purchase, the time is right to strike.

If the AKG K 550 headphones have piqued your interest but not yet spurred a purchase, the time is right to strike.

Item # 039K550Z

Shop all AKG Headphones

About the AKG K 550 (Factory Refurbished)

David Brown

AKG quality more affordable than ever

If the AKG K 550 headphones have piqued your interest but not yet spurred a purchase, the time is right to strike. AKG now offers a factory-refurbished version of these popular audiophile headphones. They're backed by AKG's one-year warranty, offering performance and peace of mind.

AKG quality more affordable than ever

If the AKG K 550 headphones have piqued your interest but not yet spurred a purchase, the time is right to strike. AKG now offers a factory-refurbished version of these popular audiophile headphones. They're backed by AKG's one-year warranty, offering performance and peace of mind.

Closed-back headphones with a wide-open sound

Most headphones with a sealed earcup design let you hear your music better in noisy environments, like at a club or in a busy office. But they can also bottle up the sound, making it feel as though it's coming from inside your head. Not the AKG K 550s. These advanced closed-back headphones deliver the spacious, realistic soundstage of an open-back design, while providing blissful relief from the outside world. And because they're sealed, you can enjoy truly private listening without sound leaking outside to those around you.


Large drivers for outstanding performance

AKG has been making high-quality headphones for music enthusiasts and professionals for over 60 years, and that experience really shows in the K 550s. They use big 50mm drivers, the largest in the AKG headphone lineup, to crank out powerful, crystal-clear sound from your hi-fi system or virtually any portable player. No matter what type of music you listen to, these 'phones will give you sparkling highs, engaging mids, and dynamic bass.

earcup closeup
cloeup earcup detail

Carefully designed inside and out

mini to full size adapter

The K 550 features a padded adjustable headband and ultra-soft around-the-ear earcups for a comfortable fit. The single-sided oxygen-free copper cable supports a clean signal from the source to your ears, and comes with a convertible headphone plug that works with both mini- and full-sized jacks. And its 2D-Axis earcup design folds flat for easier storage and transportation.


From our review of the AKG K 500 headphones

"The AKG K 550s are a good high-end headphone choice for less-than high-end listening situations. Although slightly warm, I felt I was getting all the musical detail my sound sources were delivering. And they were comfortable enough to wear all through the work day. And that's more than good enough for me!"


— Ralph, Crutchfield Blog and Product Review Editor

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Product highlights:

  • around-the-ear, closed-back design
  • large cushioned earcups and adjustable headband
  • large 50mm drivers for a realistic soundstage and powerful sound
  • 2D-Axis fold-flat design for easier storage and transportation
  • frequency response: 12-28,000 Hz
  • impedance: 32 ohms
  • sensitivity: 114 dB
  • 9-foot single-sided cord with stereo mini plug
  • comes with full-sized 1/4" adapter
  • weight: 13.3 oz.
  • warranty: 1 year
  • MFR # K550-Z

What's in the box:

  • Refurbished over-the-ear headphones with attached 9' audio cable terminated by a male 3.5mm miniplug
  • Screw-on 3.5mm-to-1/4" Adapter
  • "Attention!" sheet regarding listening at high volume levels

Customer reviews for AKG K 550 (Factory Refurbished)

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4.5 out of 5 stars
11 reviews

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More details on the AKG K 550 (Factory Refurbished)

Mark G.

Features & specs

General
Fit Style Over-the-ear
Earcup Type Closed
Earcup Width x Height 4.375" x 4.375"
Noise-canceling No
Bluetooth No
Bluetooth Version ---
Single-earbud Operation ---
Mic For Taking Calls No
Voice Assistant Access
Amazon Alexa No
Google Assistant No
Siri No
Connectors
3.5mm No
1/4" Yes
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Specs
Frequency Response 12-28k Hz
Sensitivity 114 dB
Impedance 32 Ohms
Weight 13.3 ounces
Cord Length 108"
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research

Features

Refurbished: The AKG K550-Z is a refurbished version of the K550 headphones. They do not come in the original packaging, but are packaged in a plain brown box.

Reference Series: The AKG K550-Z over-the-ear headphones combine the advantages of closed-back headphones (no sound leakage for a truly private experience) with the open sound of open-backs (typical speaker sound); making it ideal for both home and street use.

50mm Driver: The 50mm (2'') driver, the biggest driver in the AKG headphone range, delivers a realistic soundstage far beyond what other headphones typically deliver.

Comfortable Fit: With large over-the-ear cups and a new, lightweight adjustable headband design, the K550 offers an amazing, comfortable fit allowing for hours of continuous listening.

Single-Sided Cable: The single-sided, 99.99% oxygen-free cable provides pure sound transmission. The headphone cable is terminated by a straight 3.5mm gold-plated connector.

1/4" Adapter: The AKG over-the-ear headphones come with a 1/4" adapter to plug into your home stereo.

3D-Axis Folding Design: The AKG K550-Z features a unique 3D-Axis folding mechanism for ease of handling, storing, and transporting.

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