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Sennheiser HD 660S2 Headphones

Free UK Delivery

In Stock On DemoClick to book a demo

Highly Recommended

"the performance on offer and the tractability with which it is delivered is absolutely outstanding and creates a headphone that is a formidable all-rounder and that comes Highly Recommended"

Special Price £395.00 Regular Price £495.00
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Sennheiser HD660s2 headphones

Enjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub-bass — for a deeply moving experience. The extremely precise yet non-fatiguing sound of the HD 660S2 delivers even more impact with extended sub-bass.

With an optimized surround, transducer airflow, and coil our engineers doubled the sound pressure at the lowest octaves. You can feel the lowest note on the piano (27.5 Hz) or the kick of the bass drum (45-60 Hz) as if you were there.

Key Features

  • Open-backed design
  • Steel mesh drive units
  • 300 Ohms versatile drivers
  • Revised aluminium voice coil 
  • 2-year warranty 
  • Supplied with HD 660S2 headphones 6.3 mm cable (1.8 m), 4.4 mm cable (1.8 m) 6.3 mm to 3.5 mm adapter Carry pouch

 

 

 

The relaxed tone and open-back design make these extremely comfortable headphone great for long sessions. With warm tuning, smooth treble, and strong bass, the standard setter for extended listening is now the standard-setter for extended bass as well.

This warm, inviting signature combined with extended sub-bass makes listening uniquely pleasant and rewarding. And with comfort this good, it practically begs you to keep going for endless sessions. That’s how HD 660S2 combines the best of many worlds to give you an intimate experience you won’t want to live without

Natural, relaxed, high-fidelity sound with extra sub-bass: Optimized surround and diaphragm with new voice coil with 300-ohm impedance

38mm high-performance transducers built in Ireland: Steel mesh damping follows the driver’s geometry to control air displacement, while the magnetic yoke includes milled air vents for optimal ventilation, which minimizes distortion

Uniquely powerful vented magnet system for minimized distortion, Ultra-light aluminium voice coil with 300-ohm impedance for excellent impulse response. Intimate sound with great timbre and deep, accurate sub-bass

 

 

Exceptional comfort and build quality: The open-back design and plush ear cushions offer exceptional breathability for long listening sessions

The velour earpads of the HD 660S2 can only be described as a tactile pleasure

The low total weight and ergonomic headband rule out any potential discomfort on top of your head as well. Combined with excellent build quality made in Ireland, you’ll quickly grow attached to a listening experience that’s as physically pleasing as the warm, non-fatiguing sound at its heart.

Global 2-year warranty offers peace of mind for your audio equipment investment.

 

Who is Sennheiser?

Sennheiser design and constructs some of the most highly regarded headphone models on the market today, and are commonly thought of as 'THE' headphone manufacturer for casual listening, studio monitoring, and for critical, audiophile reference. Sennheiser offers a vast range of models with a familiar design concept; to offer the best possible sound and build quality at all price points.

 
Design Open Over-Ear
Impedance 300 Ω
Frequency Response 8 Hz - 41,500 Hz
Sound Pressure Level 104 dB (1 V)
THD + N @ 1 kHz < 0.04% (1 kHz, 100dB)
Weight 260g

 

UK Delivery

Providing your item is in stock, the order is usually dispatched within 24 hours. Postage and packing is completely free for orders over £99*. Out of stock items will be dispatched as soon as they become available, which can take between 4 to 21 days      

UK Delivery orders are sent via our couriers' DPD Local on a next-day-delivery service and usually take between 1 and 3 days. 

          

Local Delivery

Certain manufacturers disallow mail order for their products, however a local delivery may be possible.

We offer a local delivery service for a large number of our products. After your order has been placed, a member of the Hifi Gear team will contact you to arrange a convenient date and time for your local, personal delivery.

 

Click & Collect

We offer a free ‘Click & Collect’ service on all items. As soon as your order has been completed and is ready for collection a member of our team will be in contact with you. Orders can be collected from our store at 11 King Street, Hereford, HR4 9BW.

 

Please use this link to find more detailed delivery information or contact us for more details

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