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THE ACTUAL PRODUCT
Black Sennheiser HD 800 S open-back headphones with ring-radiator earcups and detachable cable connectors visible
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HEADPHONES · LOOK CLOSER

Sennheiser HD 800 S

Black · HD 800 S · 506911

Open-back wired headphones with detachable cables and a 300-ohm nominal load.

Reviewed 6 Sept 2026Manufacturer specifications, not a hands-on test.
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WHAT IT BRINGS

The useful part.

Separate 6.35 mm and balanced 4.4 mm cables support compatible headphone outputs.

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BEFORE YOU CHOOSE

The checks that matter.

Check the source's headphone output and connector; these are open-back headphones, not an isolation-focused closed design.

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NOTHING HIDDEN IN THE SMALL PRINT

Every specification.
With its source.

Our publishing standard
Wearing style
Open-back, dynamic, over-ear
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Acoustic design
Open-back
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Wired / wireless connections
Wired; detachable 6.35 mm unbalanced and 4.4 mm balanced cables
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Microphone
No
Conditions & context

Manufacturer specification · Stock headphone cables carry left/right audio only, as shown in the manual's pin assignment; no microphone path.

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Active noise cancellation
No
Conditions & context

Manufacturer specification · Passive open-back operation in the manual, not active noise cancellation. Absorber technology is an acoustic feature, not ANC.

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Battery life and conditions, or not applicable
Not required: passive wired headphones powered by the source's audio output
Conditions & context

Manufacturer specification · Manual connection and operation sections: analogue audio cables, no charging or battery operation.

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Weight
330 g
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Manufacturer specification · Approximately, without connection cable, per instruction manual.

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Nominal impedance
300 ohm
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Cable length
3 m
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Driver diameter
56 mm
Conditions & context

Manufacturer specification · Ring-radiator transducer diameter; not an audio-quality score.

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Cable arrangement
Detachable connectors at both earcups
Conditions & context

Manufacturer specification · Follow the manual's connector alignment instructions.

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PUT IT IN PERSPECTIVE

A choice needs a contender.

Choose another checked product in headphones for a side-by-side comparison.

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