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1 Year
$63.99
2 Year
$69.99
3 Year
$86.99
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Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
Browse our FAQ
Over-Ear (Circumaural), Open-Back
No
Headband, Wired
No
Dynamic
1.5" (38mm)
Aluminum
Copper-Clad Aluminum Wire
No
None
8 Hz to 41.5 kHz
70 Hz
104 dB SPL/V
1 dB
104 dB
0.04%
1x 1/4" TRS Male
1x 4.4mm TRRRS Male
1/8" (3.5mm) TRS
Y-Type, Straight, Detachable
2x 2-Pin Male
5.9' (1.8m) (Straight Cable)
Black
None
None
No
Aluminum, Plastic, Steel, Velour
9.2 oz (260g)
810091270370
Make every beat, note, and lyric come alive with the HD 660S2 Wired Dynamic Open-Back Over-Ear Audiophile Stereo Headphones in sleek black. Crafted by the renowned brand, Sennheiser, these high-quality headphones deliver an immersive audio experience that transcends ordinary listening.
Designed for the discerning audiophile, the HD 660S2 headphones feature an open-back design that creates a natural, spacious soundstage. This advanced design allows for a more intimate connection with your music, transporting you into the heart of the performance.
The HD 660S2 headphones are not just about superior sound quality; they also offer exceptional comfort for extended listening sessions. The velour earpads and ergonomic headband ensure a snug, comfortable fit, while the lightweight design prevents any discomfort or fatigue.
These stylish headphones are also incredibly durable, thanks to their robust build quality. Made in Ireland, they are designed to withstand the rigors of daily use while maintaining their high performance.
The HD 660S2 headphones are engineered for precision and balance, delivering breathtaking resolution that brings you closer to your favorite artists and songs. The extended sub-bass enhances the overall sound, providing a deeper, more resonant listening experience.
Whether you're a fan of bass-heavy genres or prefer the subtle nuances of classical music, the HD 660S2 headphones cater to all your audio needs. Experience the magic of sound with the HD 660S2 Wired Dynamic Open-Back Over-Ear Audiophile Stereo Headphones.