Sennheiser - Refurbished Excellent - HD 660S2 Wired Over-the-Ear Headphones - Black

The Beyerdynamic DT 990 PRO is an open dynamic headphone of exceptional quality suitable for the most demanding professional and audiophile applications. The reduced weight of the diaphragm and moving coiling result in a similar pulse characteristic as electrostatic headphones, and in combination with a carefully tailored frequency response offer a natural and balanced sound.

The HD 560S indulges the audiophile evaluating their music’s entire journey through the audio path. With linear acoustics and exceptional low-frequency performance the HD 560S was crafted for the analytical audio enthusiast. This open-back headphone is tuned to reveal every detail in your music without sacrificing the gratifying bass response. When combined with its ultralight chassis and luxurious comfort, it’s a breakthrough value in reference monitoring.

Meet the HD 550, your gateway to audiophile sound at an accessible price. Ultra-light yet built to last, these headphones deliver all-day comfort and Sennheiser-grade durability with a new headband and metal mesh earcup covers. The sound is expansive and detailed, with a frequency range from 6 Hz to 39.5 kHz. Thanks to angled drivers and an open-back design, you’ll feel like you’re right in the action—whether it’s your favorite band or an adrenaline-pumping video game. For anyone craving more immersion, the HD 550 brings clarity and depth you've been missing. Goosebumps included.