Klipsch R-51PM Powered Bookshelf Speakers (Pair)
$ 349.99
$ 499.99
Onkyo C-7030 Home Audio CD Player
$ 199.99
$ 299.00
Klipsch R-41M Reference Bookshelf Speakers (Pair)
$ 129.99
$ 169.99
Klipsch The Fives Powered Speaker System with Bluetooth and HDMI
$ 399.99
$ 699.99
Kanto YU2 Speakers 2-Way Powered Desktop Speakers (Pair) SPECIAL
$ 229.99
$ 269.99
JBL Bar 9.1 Dolby Atmos True Wireless Surround Sound Sound Bar
$ 599.99
$ 1,299.99
Pioneer PD-10AE CD Player, Single Disc CD Player
$ 199.99
$ 349.00
Onkyo TX-NR6050 7.2-Channel 8K Home Theater Receiver
$ 399.99
$ 629.00
SVS Prime Elevation Speakers (Pair)
$ 399.00–$ 499.00
Denon AVR-S760H 7.2-Channel Home Theater Receiver
$ 399.99
$ 599.00
JBL Vibe Beam True Wireless Headphones
$ 49.95
$ 59.95
Klipsch AWR-650-SM Sandstone Outdoor Rock Speaker (Each)
$ 199.99
$ 329.00
Polk Audio VT60 6.5" 2-Way In-Ceiling Speaker (Each)
$ 49.99
$ 149.00
Klipsch The Three II Bluetooth Speaker (Walnut)
$ 199.99
$ 299.99
SVS SB-2000 Pro Powered Subwoofer with App Control
$ 699.00–$ 799.00
SVS 3000 Micro Dual 8" Ultra Compact Powered Subwoofer with Control App
$ 699.00
$ 899.00
KEF LS50 Meta Bookshelf Speakers (Pair)
$ 999.99
$ 1,599.99
Definitive Technology AW6500 Outdoor Speaker (Each)
$ 199.99–$ 299.00
Klipsch R-52C Powerful Detailed Center Channel Home Speaker
$ 129.99
$ 249.00
JBL Clip 4 Portable Bluetooth Speaker
$ 64.95
$ 79.95
KEF Q350 Bookshelf Speakers (Pair)
$ 499.99
$ 799.99
KEF Q150 Bookshelf Speakers (Pair)
$ 349.99
$ 599.99
Jura ENA 4 Coffee Machine (Metropolitan Black)
$ 899.00
$ 999.00
SVS Prime Center Speaker Premium
$ 299.00–$ 399.00
JBL Pulse 4 Portable Bluetooth Speaker Waterproof with Light Show
$ 149.99
$ 249.99
Sennheiser HD 450BT Bluetooth 5.0 Wireless Headphone
$ 89.99
$ 129.95
Polk Audio Signa S2 2.1-Channel Soundbar System
$ 169.00
$ 249.00
Denon AVR-S970H 7.2-Channel Home Theater Receiver
$ 599.00
$ 899.00
Bowers & Wilkins M-1 Satellite Speaker (Each)
$ 209.00
$ 299.00
Klipsch R-51PM Powered Bookshelf Speakers (Pair)
$ 349.99
$ 499.99
Onkyo C-7030 Home Audio CD Player
$ 199.99
$ 299.00
Klipsch R-41M Reference Bookshelf Speakers (Pair)
$ 129.99
$ 169.99
Klipsch The Fives Powered Speaker System with Bluetooth and HDMI
$ 399.99
$ 699.99
Kanto YU2 Speakers 2-Way Powered Desktop Speakers (Pair) SPECIAL
$ 229.99
$ 269.99
JBL Bar 9.1 Dolby Atmos True Wireless Surround Sound Sound Bar
$ 599.99
$ 1,299.99
Pioneer PD-10AE CD Player, Single Disc CD Player
$ 199.99
$ 349.00
Onkyo TX-NR6050 7.2-Channel 8K Home Theater Receiver
$ 399.99
$ 629.00
SVS Prime Elevation Speakers (Pair)
$ 399.00–$ 499.00
Denon AVR-S760H 7.2-Channel Home Theater Receiver
$ 399.99
$ 599.00
JBL Vibe Beam True Wireless Headphones
$ 49.95
$ 59.95
Klipsch AWR-650-SM Sandstone Outdoor Rock Speaker (Each)
$ 199.99
$ 329.00
Polk Audio VT60 6.5" 2-Way In-Ceiling Speaker (Each)
$ 49.99
$ 149.00
Klipsch The Three II Bluetooth Speaker (Walnut)
$ 199.99
$ 299.99
SVS SB-2000 Pro Powered Subwoofer with App Control
$ 699.00–$ 799.00
SVS 3000 Micro Dual 8" Ultra Compact Powered Subwoofer with Control App
$ 699.00
$ 899.00
KEF LS50 Meta Bookshelf Speakers (Pair)
$ 999.99
$ 1,599.99
Definitive Technology AW6500 Outdoor Speaker (Each)
$ 199.99–$ 299.00
Klipsch R-52C Powerful Detailed Center Channel Home Speaker
$ 129.99
$ 249.00
JBL Clip 4 Portable Bluetooth Speaker
$ 64.95
$ 79.95
KEF Q350 Bookshelf Speakers (Pair)
$ 499.99
$ 799.99
KEF Q150 Bookshelf Speakers (Pair)
$ 349.99
$ 599.99
Jura ENA 4 Coffee Machine (Metropolitan Black)
$ 899.00
$ 999.00
SVS Prime Center Speaker Premium
$ 299.00–$ 399.00
JBL Pulse 4 Portable Bluetooth Speaker Waterproof with Light Show
$ 149.99
$ 249.99
Sennheiser HD 450BT Bluetooth 5.0 Wireless Headphone
$ 89.99
$ 129.95
Polk Audio Signa S2 2.1-Channel Soundbar System
$ 169.00
$ 249.00
Denon AVR-S970H 7.2-Channel Home Theater Receiver
$ 599.00
$ 899.00
Bowers & Wilkins M-1 Satellite Speaker (Each)
$ 209.00
$ 299.00
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Description
Sennheiser HD 660S2 Open-Back Wired Over-Ear Headphones
From thundering timpani, to the melodic sound of a guitar, the impressive singing voice of your favorite artist, or the beat of electronic dance music, nothing creates drama like powerful bass. Ideal for music lovers, the non-fatiguing, high-end HD 660S2 now delivers even more impact and emotion. Our engineers optimized the HD 660S's surround, transducer airflow, and coil to double 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 at the recording studio, allowing you to pick out individual instruments and discover new sonic details. The relaxed sound and open-black design make it an extremely comfortable headphone that is also suitable for long listening sessions. The headphone's warm, relaxed sound is reflected in its timeless design and elegant bronze accents. With warm tuning, smooth treble and strong bass, the standard-setter for extended listening is now also the standard for extended bass.
Product Highlights:
- Over-the-ear design
- Open-back, metal mesh covered ear cups for proper ventilation and transparent sound
- Part of Sennheiser's legendary HD600 series headphones
- Streamlined design with timeless matte black finish and gold accents
- Designed in Germany, made at Sennheiser's "audiophile center of excellence" facility in Ireland
- We recommend a separate headphone amplifier for proper power and the best possible sound
Driver Design:
- 38mm dynamic drivers deliver a smooth, articulate sound with extended bass response
- Intimate, layered soundstage with precise imaging
- Vented magnet design for tightly controlled diaphragm movement
- Soft diaphragm lined with stainless steel mesh for even airflow
- Ultralight aluminum voice coils ensure precise impulse control and fast transient response
General Info and Specs:
- Snug, cushioned fit
- Generous velour ear pads and soft headband padding
- Two detachable 6-foot oxygen-free copper cables:
- Balanced cable with 4.4mm headphone plug
- Unbalanced cable with 1/4" headphone plug
- Includes 3.5mm mini plug adapter
- Frequency response: 8-41,500 Hz
- Sensitivity: 104 dB
- Impedance: 300 ohms
- Weight: 9.2 oz. (without cable)
- Warranty: 2 years
- Our 30-day money back guarantee
- MFR # 700240
What's In The Box:
- Over-ear headphones
- 69" Unbalanced audio cable with two 2-pin connectors on one end and 1/4" plug on other end (installed)
- 69" Balanced audio cable with two 2-pin connectors on one end and 4.4mm connector on other end
- 9" Audio adapter cable (female 1/4" jack on one end and male 3.5mm plug on other end)
- Cloth storage bag with drawstring closure
- User Information
- Quality Certificate
Additional Information
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