Is this model better or 660?

You have to understand that the Sony Z7M2 are 56 ohms so they are easy to drive. Now on the other hand the 660s are 150 ohms and need a little more power to drive them. Now the 660s2 are 300 ohms which need more power. I have the 660s and have no problems with them. I want to get the 660s2 but don't want to take a chance on buying them and I can't drive them with my setup. Hope this help you out. Have a great day.

Would these be great when used with a Steam Deck?

Thanks for your question. The HD 660S2 will go very well with Steam Deck. World Wide Stereo – since 1979 – and a proud authorized Sennheiser dealer.

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HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic Performance, Over-Ear Headphones for PC, Music, Gaming, Podcasts, Premium Black

Product ID: 507909782

Details

Brand
Sennheiser
Color
Black
Ear Placement
Over Ear
Form Factor
Over Ear
Impedance
300 ohm

🎧42mm dynamic drivers for rich sound

🔊Frequency range 8 Hz - 41.5 kHz for deep bass & crisp highs

🛡️Premium build with durable aluminum & German-Irish craftsmanship

₨15173

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Description

🎶 Elevate your audio game — because your ears deserve the VIP treatment.

ALL DAY COMFORT - Breathable open-back design with plush cushions for fatigue-free listening marathons.
CRAFTED FOR LONGEVITY - Expertly engineered in Germany & Ireland with premium materials for enduring elegance and performance.
DEEP BASS CRYSTAL HIGHS - Feel every beat with precise lows down to 27.5 Hz and sparkling highs up to 41.5 kHz.
AUDIOPHILE GRADE SOUNDSTAGE - Experience a spacious, natural sound that immerses you in every note.
VERSATILE WIRED CONNECTIVITY - Detachable cables with multiple adapters ensure seamless use across PC, gaming, and mobile devices.

The Sennheiser HD 660S2 are premium open-back over-ear headphones featuring 42mm dynamic drivers and an ultra-wide frequency range (8 Hz - 41.5 kHz) that deliver detailed highs, rich mids, and deep bass. Designed for audiophiles, gamers, and professionals, they combine exceptional comfort with durable, high-quality German-Irish craftsmanship. With detachable cables and versatile connectivity, these headphones offer immersive sound and long-lasting performance for music, gaming, and podcasting.

Specifications

ASIN	B0BRT1ZN7Q
Additional Features	stereo pairing
Age Range Description	Adult
Antenna Location	music
Audio Driver Size	42 millimeters
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#8,994 in Electronics ( See Top 100 in Electronics ) #410 in Over-Ear Headphones
Brand Name	Sennheiser
Built-In Media	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
Cable Features	Detachable
Color	Black
Compatible Devices	Smartphone
Connectivity Technology	Wired
Control Method	Touch
Control Type	Media Control
Customer Package Type	Protective delivery packaging with a portable carry pouch
Customer Reviews	4.5 4.5 out of 5 stars (773)
Earpiece Shape	Oval
Enclosure Material	Aluminum
External Testing Certification	nao aplicavel
Frequency Range	8 Hz - 41.5 kHz
Global Trade Identification Number	00810091270370, 04260752330374
Headphone Folding Features	Over Ear
Headphone Jack	1/4 inch TRS, 4.4 mm TRRRS
Headphones Ear Placement	Over Ear
Impedance	300 ohm
Item Weight	0.3 kg
Manufacturer	Sonova
Model Name	HD 660S2
Model Number	700240
Noise Control	Sound Isolation
Number of Items	1
Series Number	700240
Specific Uses For Product	Music
Style Name	Headphones
Theme	Music
Unit Count	1 Count
Warranty Description	2 year manufacturer
Water Resistance Level	Not Water Resistant

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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₨15173

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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