20% Off

Sennheiser HD 660S2 Wired Dynamic Open-Back Over-Ear Audiophile Stereo Headphones, Black

SKU: SE700240 MFR: 700240
Earn VIP Reward Points

Key Features

  • Experience audiophile sound with these Sennheiser open-back headphones for detailed listening.
  • Enjoy supreme comfort with the over-ear design and plush velour earcups, ideal for long sessions.
  • Dynamic drivers deliver a wide 8 Hz - 41.5 kHz frequency response for exceptional sound quality.
  • The 1.8m detachable cable provides flexibility; use the 3.5mm adapter for versatile connections.
  • Lightweight at only 9.2 oz, these durable headphones are perfect for critical home listening.
  • Immerse yourself in pure audio; these wired headphones have minimal distortion at just 0.04% THD.
See More Product Details
Free Expedited Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

1 Year

$63.99

2 Year

$69.99

3 Year

$86.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Learn
Specs
Protection
Q&A

Questions & Answers

Shopper : Why Did You Choose This?CHIAYU W : i went to a local store to try. it was super balanced. it's super good at not adding anything artificial to the music you're trying to listen to. loved it.

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

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

Sennheiser HD 660S2 Specifications

Headphone

Headphone

Jump to...
  • Earpiece Design

    Over-Ear (Circumaural), Open-Back

  • Earpiece Swivel

    No

  • Earpiece Connection / Wearing Style

    Headband, Wired

  • Foldable

    No

  • Driver Type

    Dynamic

  • Driver Size

    1.5" (38mm)

  • Diaphragm

    Aluminum

  • Voice Coil

    Copper-Clad Aluminum Wire

  • Active Noise Cancellation

    No

  • Full Remote OS Support

    None

  • Frequency Response

    8 Hz to 41.5 kHz

Performance

Jump to...
  • Resonant Frequency

    70 Hz

  • Sensitivity

    104 dB SPL/V

  • Matching Tolerance

    1 dB

  • Maximum Sound Pressure Level (SPL)

    104 dB

  • Total Harmonic Distortion (THD)

    0.04%

Wired Connectivity

Jump to...
  • Audio Connector to Source

    1x 1/4" TRS Male
    1x 4.4mm TRRRS Male

  • Adapter (Included)

    1/8" (3.5mm) TRS

  • Cable Design

    Y-Type, Straight, Detachable

  • Audio Connector to Earpiece

    2x 2-Pin Male

  • Cable Length

    5.9' (1.8m) (Straight Cable)

Physical

Jump to...
  • Color

    Black

  • Water Resistance

    None

  • Environmental Protection

    None

  • LED Indicator

    No

  • Material

    Aluminum, Plastic, Steel, Velour

  • Weight

    9.2 oz (260g)

  • UPC Code

    810091270370

Related Articles & Videos

Best Instrument Accessories and Gear for Student Musicians

Best Instrument Accessories and Gear for Student Musicians

It's possible to find equipment that is both affordable and exceptional quality! Here is a list of the best instruments for students.
Read more
Best Open Back Headphones

About Sennheiser HD 660S2

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.

Sennheiser HD 660S2 Features

  • Uniquely powerful vented magnet system for minimized distortion
  • Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response
  • Intimate sound with great timbre and deep, accurate sub bass
  • Plush ear cushions and open design for maximum comfort
  • Outstanding quality designed in Germany, made in Ireland

Warranty Information

This product has a limited warranty of 24 months.

Key Features

  • Experience audiophile sound with these Sennheiser open-back headphones for detailed listening.
  • Enjoy supreme comfort with the over-ear design and plush velour earcups, ideal for long sessions.
  • Dynamic drivers deliver a wide 8 Hz - 41.5 kHz frequency response for exceptional sound quality.
  • The 1.8m detachable cable provides flexibility; use the 3.5mm adapter for versatile connections.
  • Lightweight at only 9.2 oz, these durable headphones are perfect for critical home listening.
  • Immerse yourself in pure audio; these wired headphones have minimal distortion at just 0.04% THD.

What's in the box:

  • Sennheiser HD 660S2 Wired Dynamic Open-Back Over-Ear Audiophile Stereo Headphones (Black)
  • 6.3mm Cable (1.8m)
  • 4.4mm Cable (1.8m)
  • 6.3 to 3.5mm Adapter
  • Carry Pouch
  • User Manual
  • Sennheiser 2 Year Limited Warranty