SKU: 38163149676

Sennheiser HD 660S2 Open-Back Audiophile Wired Headphones - Black

Sale price$305.98 Regular price$339.98
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Description

Sennheiser HD 660S2 Open-Back Audiophile Wired Headphones - BlackProduct Description: Sennheiser HD 660S2 wired headphones deliver detailed high fidelity audio with an open back design, natural soundstage, and enhanced low frequency extension. The precision matched 38mm dynamic transducers reproduce clear vocals, detailed instruments, and controlled bass for critical listening, music production, home audio, and audiophile entertainment. With a 300 ohm impedance, the HD 660S2 is designed for use with capable

Product Description:
Sennheiser HD 660S2 wired headphones deliver detailed high-fidelity audio with an open-back design, natural soundstage, and enhanced low-frequency extension. The precision-matched 38mm dynamic transducers reproduce clear vocals, detailed instruments, and controlled bass for critical listening, music production, home audio, and audiophile entertainment.

With a 300-ohm impedance, the HD 660S2 is designed for use with capable headphone amplifiers, DACs, audio interfaces, and premium home stereo equipment. Lightweight construction, soft velour ear cushions, and an ergonomic over-ear fit provide lasting comfort during extended listening sessions.

The headphones include both a standard 6.3mm cable and a balanced 4.4mm cable, plus a 3.5mm adapter and protective carrying pouch.

Key Features:

  • Premium open-back audiophile headphones
  • Detailed, natural sound with enhanced sub-bass response
  • Precision-matched 38mm dynamic transducers
  • Ultra-light aluminium voice coils
  • Wide frequency response from 8Hz to 41,500Hz
  • 300-ohm impedance for high-quality amplified listening
  • Open ear cups provide a spacious, natural soundstage
  • Over-ear design with soft velour ear cushions
  • Lightweight 260g construction
  • Includes standard and balanced audio cables
  • Detachable cable design
  • Made in Ireland
  • Ideal for critical listening, home audio, mixing, and music enthusiasts

Specifications:

  • Brand: Sennheiser
  • Product Type: Wired Audiophile Headphones
  • Model: HD 660S2
  • Colour: Black
  • Headphone Style: Over-Ear
  • Acoustic Design: Open-Back
  • Transducer Type: Dynamic
  • Transducer Size: 38mm
  • Frequency Response: 8Hz–41,500Hz
  • Impedance: 300 Ohms
  • Sound Pressure Level: 104dB at 1kHz / 1Vrms
  • Total Harmonic Distortion: Less Than 0.04%
  • Cable Length: 1.8m
  • Connections: 6.3mm Stereo and 4.4mm Balanced
  • Adapter: 6.3mm to 3.5mm
  • Wireless Connectivity: No
  • Noise Cancellation: No
  • Weight: Approximately 260g
  • Included Components: HD 660S2 Headphones, 6.3mm Cable, 4.4mm Balanced Cable, 3.5mm Adapter and Carrying Pouch
  • Condition: New
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38163149676

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jessica
Pawtucket, US
★★★★★ 5
Worth it! Good quality for the price
Size: Large, Color: Black Collar White, Size: Large, Color: Black Collar White
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jessica thacker
Port Orchard, US
★★★★★ 5
Great suit
Size: Medium, Color: Black, Size: Medium, Color: Black
Suit fit well no wrinkles upon arrival the quality was great
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Reviewed in the United States on April 10, 2026
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M
Bozeman, US
★★★★★ 4
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my 6’4” husband wore this to our wedding. it looked amazing on him 💜 everything fit pretty good except for the jacket part; that was a little big. it may fit someone who weighs a little more but my husband weighs about 165lbs. we had to tailor it a little bit. other than that, very beautiful suit.
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I purchased the YND Men's 3-Piece Slim Fit Tuxedo Suit Set for my son's prom, and I couldn’t be more thrilled with the results. From the moment he put it on, it was clear this suit was something special. The fit was absolutely sharp and flattering, perfectly hugging the frame without being too tight — just the right balance of tailored and comfortable. The material feels high-quality and looks even better in person — smooth, sleek, and polished. It held its shape beautifully throughout the night and gave my son a sophisticated, modern look that turned heads and earned him plenty of compliments. You can tell this suit is well-made with great attention to detail, from the stitching to the lining. It easily rivals much more expensive brands. I’m so impressed with the value and style that I’ll definitely be purchasing from this company again. If you're looking for a tuxedo that delivers elegance, confidence, and exceptional quality without breaking the bank — this is the one!
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