Sennheiser HD 650 vs Sennheiser HD 660 S

Sennheiser HD 650 review
vs
Sennheiser HD 660 S review

Let me introduce you to a comparison of Sennheiser HD 660 S vs Sennheiser HD 650. These devices have an over-ear wearing style and can be used only with a wire. Both models are open back.

Article navigation

Features

Sennheiser HD 660 S has 150 Ohm of impedance and this is exactly twice more than HD 650 does. Their frequency response is different as well. The first one works in a range between 9 Hz and 41.5 kHz and the second one — 10 Hz and 41 kHz. The sensitivity of these headphones is approximately the same, HD 660 S has 104 dB, while HD 660 has 103 dB.

Sound

The headphones Sennheiser HD 660 S allow you to have wide, expansive and superb stereo imaging and spatial imaging. Music sounds full and rich, but not particularly bright or sharp.

Sennheiser HD 650 vs Sennheiser HD 660 S has a high bass that adds a bit of muddiness to the overall sound.

Comfort and design

The wired headphones weigh the same — 260 g. They do not fold. Only the model HD 660 S has a detachable cable. An audio cable that comes with both appliances is 3 m long.

Sennheiser HD 660 has a two-tone, gray and totally black color scheme, and a nice glossy coating. The big oval cups of Sennheiser HD 660 have microfiber-like fabric inside and this is exactly what gives them a premium look.

Sennheiser HD 650 pros and cons

Sennheiser HD 650 pros and cons

Pros

  • Suitable for low-intensity, physical activity
  • Has high-tech styling
  • Impressive levels of detail and clarity

Cons

  • The metal frame of its headband is connected to the earcup by a fragile-looking joint that is susceptible to breaking under some physical stress
  • Treble has a distinct lack of brightness, this is most noticeable on vocals

Sennheiser HD 660 S pros and cons

Sennheiser HD 660 S pros and cons

Pros

  • The cups are quite large and suitable for most ear sizes and shapes
  • Perfect for movies, to get closer to the experience of being surrounded by speakers rather than one where the audio is “in your head”
  • You get a 1/4 Adapter (6,35 mm)
  • The open-back design makes the appliance breathable

Cons

  • Can feel too tight on some heads
  • No hard case or pouch to carry the headphones in

Votes 1 1
Rating 5 5

Headphones comparison chart

Overall
Sennheiser HD 650
7.5
Sennheiser HD 660 S
8
6
7
Sennheiser HD 650

Sennheiser HD 650 review

May 14, 2020

The wired headphones Sennheiser HD 650 are open-back and made for real audiophiles. If you are think...

Read More
Add headphones to comparison
We didn't find anything to show here

Common

Product

Sennheiser HD 650
Sennheiser HD 660 S

Model

HD 650
HD 660 S

Brand

Sennheiser
Sennheiser

Reviews

1507
170

General

Wearing style

over ear
over ear

Enclosure

open back
open back

Wireless

Wired

Specifications

Transducer

dynamic
dynamic

Driver size, mm/inches

Impedance, Ohm

300
150

Frequency response, Hz

10Hz-41KHz
9Hz-41.5KHz

Total harmonic distortion (THD), %

0.05
0.04

Sensitivity (SPL), dB

103
104

Magnet type

Weight (headphones), g/oz

260/9.1
260/9.1

Comfort

Adjustable headband

Foldable

Noise cancelling

Active noise cancelling

Adjustable noise cancelling level

Microphone

Built-in microphone

In-line microphone

Detachable microphone

Cables

Detachable cable

Audio cable length, cm/ft

300/9.8
300/9.8

Jack connection (TRS)

3.5
6.35

Balanced connection

Control

Built-in control buttons

In-line control

Touch control

Voice control

App control

Control functions

Wireless connectivity

Bluetooth

has not
has not

Bluetooth version

has not
has not

aptX

has not
has not

aptX HD (Hi-Res Audio)

has not
has not

Bluetooth profiles

has not
has not

NFC

Wi-Fi

Battery

Battery type

has not
has not

Battery life, hrs

has not
has not

Charging time, hrs

has not
has not

Charging port

has not
has not

Charging cable

has not
has not

Speed charge

has not
has not

Battery free listening mode

has not
has not

Battery level indicator

has not
has not

Additional features

Water resistance

Light indication

Additional audio features

In the box

Audio cable

Carry case

Charging cable

has not
has not

1/4 Adapter (6,35 mm)

Interchangeable ear pads

User manual

Manual

Sennheiser HD 650
Sennheiser HD 660 S
Sennheiser HD 650
Sennheiser HD 660 S

Headphones HeadphonesArena comparison rating

  • better
  • worse
  • 7.5
  • 8
  • 7.5Sennheiser HD 650
  • 8Sennheiser HD 660 S

The Sennheiser HD 660 S is better headphones in this comparison. Check Sennheiser HD 660 S price