Sennheiser

SHURE

HD 620S

SRH1540

Wired Headphone Specification

Wired Headphone Specification

Over Ear

Over Ear

Dynamic

Dynamic, Neodymium

42 mm

40 mm

150 Ohms

46 ohm

110 dB / 1V RMS

99 dB/mW

6Hz - 30KHz

5 Hz - 25000 Hz

NA

1000 mW

Noise Cancelling

CVC

Black

Black

3.5 mm

3.5 mm Gold Plated Stereo Plug

Balanced Cable

Tangle Resistant Cable

670 GM

286 Gm

Ultra-light 150-ohm aluminum voice coil for enhanced clarity and accuracy in audio reproduction.
Closed-back headphones with steel-reinforced ear cup covers for distraction-free listening sessions.
Reference-grade 42 mm angled transducers with 38 mm diaphragm deliver speaker-like imaging with natural detail retrieval and expansive soundstage.
Lightweight chassis with steel-reinforced headband sliders and artificial leather arpads with internal venting for long-term durability and all-day comfort.
Style meets durability: A steel-reinforced headband slider and earcup covers blend sleek design with robust construction for aesthetic appeal and lasting quality.
Distraction OFF, sound ON: Open, expansive listening with noise isolation that immerses you in closed-back acoustics without sacrificing natural, airy and intricate audio quality.
Enduring comfort, all day: A lightweight, sturdy chassis paired with soft, artificial leather earpads with internal venting and roomy ear cups for long, intimate listening sessions.
A panoramic soundstage: Angled, 42mm dynamic transducers with 38mm diaphragms mimic a speaker setup and deliver balanced bass for focused listening - unparalleled in closed-back headphone design.
Superior sonic precision: Ultra-low distortion at all frequencies, lifelike vocals and clear frequency bands, powered by an ultra-lightweight 150-ohm aluminum voice coil for optimal impulse response.

Two-year limited warranty.
Legendary Shure durability withstands the rigors of everyday use.
Closed-back, circumaural design rests comfortably over the ears and reduces background noise.
Replaceable ear pads feature Alcantara® and low-density, slow-recovery foam for exceptional comfort.
Ergonomic dual-frame, padded headband is lightweight and fully adjustable for hours of listening comfort.
Diaphragm developed with APTIVâ„¢ Film for improved linearity and lower Total Harmonic Distortion ( THD ).
Lightweight construction features aircraft-grade aluminum alloy yoke and carbon fiber cap for enhanced durability.
Dual-exit cables with gold-plated MMCX connectors provide secure connection and detachability for easy storage or replacement.
40 mm neodymium drivers deliver superior acoustic performance for an expansive soundstage with clear, extended highs and warm bass.