Sennheiser HD 800
Sennheiser’s big open flagship: an enormous stage and unflinching detail, with a treble character that rewards good sources.
Our take
The HD 800 is about space and resolution: a huge, precise soundstage and treble that surfaces everything, including a well-known peak up top. Good recordings soar; harsh ones get exposed. EQ tames the peak cleanly: Attune shows you exactly where it sits.
Measured by Warren Labs on a miniDSP EARS Pro. The headphone is seated deliberately for the best fit, the way someone who cares about sound adjusts a headphone before they settle in to listen, rather than placed at random, and the published curve is a single real seating chosen by an objective rule, never a blend. Both channels are measured and stored separately; the line drawn here is their average. Raw response, normalized to 0 dB at 1 kHz. An EARS Pro is not an industry reference coupler such as a GRAS 45CA, so read this as a house reference: repeatable against our other EARS Pro measurements, not directly comparable to another lab. Seating repeatability was characterized in August 2026 and turned out to be a property of the headphone rather than of the rig: reseating moves the midrange by about 0.06 dB on some models and 0.32 dB on others, so no single variance band is drawn here. The instrument itself contributes 0.002 dB. Do not read fine treble detail as settled.How we measure →
Common questions
Straight answers, the same ones our measurements support.
Does the HD 800 need an amp?
It scales with a good one. At 300 Ω and highly revealing, it wants a clean, capable source to sound its best: more than the 600 or 650 do.
Is the HD 800 bright or harsh?
Detailed, with a treble peak that can read as bright on some tracks. A few dB of EQ around the peak keeps the detail and drops the edge.
HD 800 vs HD 800 S?
The S softens that treble peak slightly out of the box. On the graph the difference is small and exactly where you would expect it.
If you like the HD 800
Close on the graph, or a deliberate step in one direction.