Closed-back over-ear · 63 Ω · Studio tier

Sony MDR-7506

The blue-cabled broadcast standard: bright, detailed, and unflattering on purpose. In every studio for a reason.

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
Impedance63 Ωeasy to drive
Sensitivity~106 dB / V
Needs an amp?Noplays off anything
SignatureBright, detailed, clinical

Our take

The MDR-7506 is a monitoring tool, not a hi-fi treat: a bright, forward, detailed sound that surfaces problems and hiss. Bass is present but not boosted; the top is deliberately revealing. Cheap, durable, and honest: a little treble EQ makes it listenable for fun.

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 MDR-7506 need an amp?

No: easy to drive from anything, which is part of why it is everywhere.

MDR-7506 vs MDR-V6?

Nearly identical; the V6 is the older consumer-badged version of the same design.

If you like the MDR-7506

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

Warren Labs

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