FWIW I found a small review from a website but I had to google translate so:
"This headset for mobile devices provides precise but cold due to the predominance of its mediums . It will use an equalizer to make things better . We appreciate the design and strength , and the two supplied audio cables .
MANUFACTURER PRICE : 250 €
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PROMO! TWO HEADPHONES FINESOUND RED AND BLUE
AKG K545 , comfortable helmet but lacks heat
Focusing on media, this model provides a sound cold lacks punch . It's a shame because it is well designed and comfortable to wear. And it works with most mobile devices.
on 24/09/2013 at 17:30
Note the drafting
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For mobile devices, the AKG K545 has the same design of its predecessor, the K550 , and according to the manufacturer offers a studio-quality sound and excellent sound insulation. It is equipped with speakers 50 mm in diameter and pads that fully embrace the ear. Is it comfortable ? What is the sound quality ? Our answers , testing support .
Sold about 250 euros, AKG seduced by its robustness and elegant design. You even have a choice of four colors ( black, white , turquoise and orange). The earcups rotate up to 90 degrees, which allows the proper position , but also to lay flat to reduce the thickness during transport. However, the arch is not foldable. The pads fit perfectly ears, where proper insulation from the outside. The K545 delivers accurate sound - you hear all the details - but lacks warmth. Measurement bandwidth confirms this judgment with mediums too privileged compared to bass and treble. However, you can correct this problem with the equalizer on your mobile device . For example, the "rock" mode on the iPad or iPhone makes really nice sound.
Two cables for smartphone and tablet
AKG delivers a 6.35mm jack adapter and two audio cables. One is for Apple devices to the other models of other brands (Android, Windows Phone , etc). The cables have a remote control with microphone to take or make a call with your smartphone. We appreciate the good communication . Cable for Apple 's most comprehensive adjust the volume, pause , and skip to the next or previous song. However , the use of three buttons on the remote turns ultimately impractical because it is difficult to differentiate the touch.
The K545 is a nice helmet, solid and comfortable. It delivers sound quality but regrets the lack of heat that requires use the equalizer on your smartphone or tablet. We appreciate the presence of the two audio cables for use on Apple and Android mobile devices. Too bad the helmet is not foldable."
After reading this sites other impressions i.e. sennheiser momentum, kef 500, akg k551, new beats studio, it seems like they have a good sense of what is good and not. They gave these 3 stars which was the least of the their reviews I have seen so far. It almost makes me want to reconsider and get a philips l2. I can return mine but I have to pay shipping. well we will see. I am easily swayed so don't mine me
Edited by grizzlybeast - 10/12/13 at 9:40am