Steel-reinforced chassis and supple artificial leather earpads provide long-term durability and all-day comfort
Ultra low distortion across the entire frequency range for accurate sound reproduction
The HD 620S, a closed-back addition to our audiophile lineup, caters to audio enthusiasts seeking distraction-free immersion without compromising on natural, expansive sound. The reference-grade 42 mm transducer with a 38 mm diaphragm and ultra-light 150-ohm aluminum voice coil deliver the exceptional impulse response and smooth sound for
Impedance
150 ohms
Frequency Response
6–30,000 Hz
Total Harmonic Distortion
0.05% (1 kHz – 90 dB)
Cable Length
1.8 m with 3.5 mm plug and 3.5 to 6.3 mm adapter
Driver Size
42 mm transducer, 38 mm diaphragm
Chassis Material
Steel-reinforced synthetic
4.9
10 ratings
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1
this is a great pair of headphones for general listening, and you can hear a lot of detail, also the build quality is pretty good and i like it comes with detachable cable
P
Parker · June 24, 2026
Excellent! Sounds Great! Accuracy, detail, separation all top notch!
J
Jim · July 7, 2026
Great audio quality! Works great with stock windows ports but even better with a good sound amp