Closed-back over-ear · 46 Ω · Flagship tier

Shure SRH1540

Shure’s closed flagship: an unusually open, balanced sound for a sealed headphone, and remarkably light.

Frequency responseRaw · L/R averaged
Head Acoustics HMS II.32005 to 2014Open backs read bass-light on this fixture.
-12-60+6+1220501002005001k2k5k10k20k
Normalized 0 dB @ 1 kHzOne unit, one seating
TypeClosed-back over-ear
Impedance46 Ωeasy to drive
Sensitivity~99 dB / V
Needs an amp?Noa clean source helps
SignatureBalanced, airy-for-closed, light

Our take

The SRH1540 is one of the more neutral closed-backs: even bass, clean mids, and an airy top that reads more open than most sealed designs, in a very light, comfortable build. A slight upper-treble lift is its main character; otherwise it’s a balanced, easy-to-drive closed option for work or quiet.

Measured on a Head Acoustics HMS II.3 artificial head — raw response, left/right averaged, normalized to 0 dB at 1 kHz. From the Sonic Temple Archive(2008–2014, one unit per model). Honest limits: seating variance runs ±0.4 dB in the mids to ±3.9 dB above 12 kHz, and open headphones read bass-light on this fixture — don’t read fine treble detail as settled. How we measure →

New to this?How to read this graphWhat impedance meansDo you need an amp?

Common questions

Straight answers — the same ones our measurements support.

Does the SRH1540 need an amp?

No: easy to drive, though a clean source helps its clarity.

Is the SRH1540 good for mixing?

For a closed reference it is among the more neutral choices; check its slightly lifted top on a second source.

If you like the SRH1540

Close on the graph, or a deliberate step in one direction.

Warren Labs

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