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Sennheiser HD 650Recommended1 / 8
Sennheiser

Sennheiser HD 650

20 years later, this stone-cold classic still slaps.

Current price · Amazon US
$299
Check Price on Amazon

Price last checked 19h ago

Sound
3.7/ 5
SoundMDAQS Overall
3.7
1.05.0

A 3.7 puts its audio quality in the bottom third of over-ear headphones we've measured.

Measured on 43 of the 239 we've cataloged.

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

Key specs

Connection Type
Wired 3.5mmMost common
Wired-3.5mm48%Bluetooth44%Wired-usb-c7%Others2%

Wired-3.5mm is the most common — on 48% of the 239 over-ear headphones we've cataloged (of 239).

Weight
260gBelow average
260 g
133 g420 g

below average for over-ear headphones — based on 196 of 239 we've cataloged.

Connectivity

Connection Type
Wired 3.5mm
Headphone Jack
Yes

Design

Weight
260g
Clamping Force
250-350 g
Color Options
Black
Ear Pad Type
Velour
Foldable
No
Headband Type
Adjustable over-head

Build

Material Chassis Primary
Plastic with grey metallic finish, metal headband frame
Material Ear Cups
Velour

Sound

Acoustic Design
Open-back
Driver Count
1
Driver Size
42 mm
Driver Type
Dynamic driver
Frequency Response
10-41000 Hz
Frequency Response High Hz
41000 Hz
Frequency Response Low Hz
10 Hz
Frequency Response Signature
Warm
Impedance
300 Ω
Max Spl
103 dB SPL
Passive Isolation
0 dB
Sensitivity
103 dB/mW

Battery

Battery
No

Features

Auto Pause
No

Identity

Model Number
508825

Microphone

Microphone
No

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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0 of 4 overlay slots used
Sennheiser HD 650SoundGuys 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.-20-100+10+20201001k10k20k

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 650: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)Response (dB)
20-9.4
25-7.6
32-5.9
40-4.3
50-3.1
63-2.1
80-1.8
100-0.8
125-0.5
160-0.6
200-0.8
250-1.0
315-1.2
400-1.5
500-1.5
630-1.1
800-0.3
10000.0
12501.4
16002.6
20004.2
25007.2
315010.1
40007.6
50006.2
63004.5
80007.5
100000.2
125000.1
16000-2.0
20000-15.5

SoundGuys review

Read the full review ›
SOUNDGUYS rating
8.2/ 10
Recommended
AJ Wykes
Reviewed byAJ WykesReviewed March 2023
Comfort & fit9.9
Connectivity6.5
Design9.0
Portability4.5
Features7.0
Value7.5
The verdict

The Sennheiser HD 650 is still an excellent choice for anyone looking for a reference quality open backed headphone that's comfortable and well designed. There's a reason it's been popular as long as it has.

✓What we like
✓Excellent sound quality
✓Very comfortable
✓User replaceable cable
✕What could be better
✕Sub-bass rolloff
Read the full SoundGuys review →

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