By Andrew Williams
25 Feb 2013
AKG K 550 Reference Class - Open Box Classic Style Headphones
Excellent Condition AKG K550 Closed-Back Reference Class Headphones - K553/HD598
AKG K553 Pro (new version of K550)
AKG K550 Reference Class Headphones - Black Excellent Condition
Updated: Two new entries in our comprehensive headphone round-up
It's time you heard how amazing digital audio can really sound
5 Ways to brilliantly block out the sound of train or plane engines.
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