Ultrasone HFI-650 Trackmaster
Ultrasone HFI-650 Trackmaster

HFI-650 Trackmaster, HiFi/audiophile headphone from Ultrasone in the HFI series.

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Audiofanzine FR 12/02/2008

Ultrasone HFI-650 Trackmaster : Audiofanzine FR's user review


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(Originally written by s_mirouf/translated from Audiofanzine FR)
I've been using these headphones for two years. I can't really perceive a real surround effect but I find the sound fidelity is exceptional. Perfect frequency response with powerful but not overemphasized lows, well-defined and well-balanced mids and highs. These headphones allow you to listen to music at high output levels without disturbing your environment. Incredible acoustic isolation. Long, high-quality cable. Screw on 1/4" to 1/8" adapter. Even though the headband can be adjusted, the headphones tend to slip sometimes. This makes you tighten the headband too much, which decreases the comfort. To wrap it up, after having tested other well-known products I would still buy these again.