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Sennheiser

Sennheiser HD 620S

Name: Sennheiser HD 620S
Brand: Sennheiser
SKU: B0D38B6XWR
Price: 399.95 USD

Current price · Amazon US

$399.95

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Price last checked 58m ago

Noise Isolation & sound

6.5/ 10

6.5

0.010.0

A 6.5 puts its noise isolation in the top half of over-ear headphones we've measured.

Measured on 87 of the 240 we've cataloged.

2.9/ 5

SoundMDAQS Overall

2.9

1.05.0

A 2.9 puts its audio quality in the bottom 10% of over-ear headphones we've measured.

Measured on 43 of the 240 we've cataloged.

See the lab data ↓Frequency response · Isolation · Audio quality

Key specs

Connection Type

Wired 3.5mmMost common

Wired-3.5mm48%Bluetooth43%Wired-usb-c7%Others2%

Wired-3.5mm is the most common — on 48% of the 240 over-ear headphones we've cataloged (of 240).

Weight

400 gAbove average

400 g

120 g420 g

above average for over-ear headphones — based on 198 of 240 we've cataloged.

Connectivity

Connection Type: Wired 3.5mm
Headphone Jack: Yes
USB Charging: No

Design

Weight: 400 g
Color Options: Black
Ear Pad Inner Dimensions: 70×50 mm
Ear Pad Type: Synthetic leather
Foldable: No
Headband Type: Fixed over-head

Build

IP Rating: IPX0
Material Chassis Primary: Plastic with steel-reinforced headband
Material Ear Cups: Synthetic leather

Sound

Acoustic Design: Closed-back
Driver Count: 1
Driver Size: 42 mm
Driver Type: Dynamic
Frequency Response: 6-30000 Hz
Frequency Response High Hz: 30000 Hz
Frequency Response Low Hz: 6 Hz
Frequency Response Signature: V-shaped
Impedance: 150 Ω
Max Spl: 105 dB SPL
Sensitivity: 110 dB/mW

Battery

Battery: No

Identity

Model Number: HD 620S

Microphone

Microphone: No

Release

Date: 2024-06-06
Msrp Usd: 350 USD
Year: 2024

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

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Sennheiser HD 620SSoundGuys Headphone Preference Curve

Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.

Sennheiser HD 620S: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Response (dB)
20	-1.2
25	-0.4
32	-0.1
40	-0.1
50	0.9
63	0.7
80	2.0
100	3.6
125	3.5
160	-0.0
200	-3.5
250	-4.0
315	-2.3
400	-0.1
500	1.2
630	1.6
800	0.6
1000	-0.0
1250	0.3
1600	1.1
2000	4.1
2500	9.4
3150	10.5
4000	6.2
5000	4.5
6300	5.6
8000	9.6
10000	3.4
12500	1.1
16000	-8.3
20000	-3.6

Sennheiser HD 620S

Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.

Sennheiser HD 620S: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Attenuation (dB)
21	-3.8
26	2.3
33	0.1
41	0.0
52	-0.2
65	-0.7
82	-1.8
103	-2.4
130	-1.5
163	1.3
205	4.8
259	6.6
325	8.8
410	7.8
516	10.2
613	13.6
772	14.3
972	18.2
1220	20.2
1540	19.3
1940	25.1
2440	31.1
3070	23.9
3870	41.5
4870	39.1
6130	32.9
7720	39.2
9720	30.3
12200	23.5
15400	24.2
19400	26.9