Is this a stereo headset?

Earpieces are identified as L and R which suggests that they are indeed stereo.

Yes. totally. The ear pieces are on gimbles so move with your head, and the head-strap has about 2 inches of movement on either side.

are these headphones as light as the 300 headphones,please?

The Sennheiser HD 400S weigh 217g whilst the Sennheiser HD 300 weigh 182g, the weight difference is barely noticable

Can you use an amplifier with them

You can plug them into the device headphone port on either a cd/DVD/iphone or the one on the amp!

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Description

🎧 Elevate your audio game—because your ears deserve the best.

LIGHTWEIGHT COMFORT - At just 217g, these over-ear headphones offer all-day wearability without fatigue—perfect for busy professionals.
BUILT TO LAST RESIST - Water-resistant design and durable materials keep you powered through your busiest days and unexpected weather.
IMMERSIVE SOUND CLARITY - Experience rich, detailed audio with a wide 18–20,000 Hz frequency range that brings your playlists to life.
UNIVERSAL COMPATIBILITY - 3.5mm angled jack and retractable cable ensure hassle-free connection with all your multimedia devices.
EFFORTLESS CONTROL ON THE GO - Smart remote with a 1-button control lets you manage calls and music seamlessly without missing a beat.

The Sennheiser HD 400S is a sleek, lightweight over-ear headphone featuring an 18 Ω impedance and a broad 18–20,000 Hz frequency response for crisp, immersive sound. Equipped with a smart remote and omnidirectional microphone, it offers seamless control and clear calls. Its retractable 3.5mm cable and water-resistant design make it a durable, versatile choice for multimedia use across all compatible devices.

Specifications

Connectivity technology	Wired
Wireless communication technology	Wi-Fi
Included components	HD 400S around-ear headphones, RCS 400 detachable single-sided cable with 1-button remote and 3.5 mm angled plug, Safety Guide, User Manual
Age range (description)	Adult
Material	Plastic
Specific uses for product	Multimedia
Charging time	5 32nds
Recommended uses for product	Multimedia
Compatible devices	All Headphones
Control type	Remote
Cable feature	Retractable
Item weight	217 Grams
Water resistance level	Water Resistant
Frequency range	18–20,000 Hz
Package type	FFP
Unit count	1.0 count
Style	Closed
Product Dimensions	140 x 1.5 x 0.03 cm; 217 g
Batteries	1 12V batteries required.
Item model number	508598
Connector	3.5mm Jack
Material Type	Plastic
Size	One Size
Power Source	AC/DC
Item Weight	217 g

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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