Sennheiser HD 660 S vs GRADO SR325e

HD 660 S vs SR325e comparison chart

Overall
Sennheiser HD 660 S
8
GRADO SR325e
7
7
7

Sennheiser HD 660 S vs GRADO SR325e review

Sennheiser HD 660 S
vs
GRADO SR325e

We've put together a comparison of these two impressive headphones Sennheiser HD 660 S vs GRADO SR325e. HD 660 S has a total rating of 8 out of 10 vs 7 out of 10 for SR325e.

Advantages Sennheiser HD 660 S over GRADO SR325e

  • Better low limit of frequency response: 9Hz vs 18Hz
  • Better high limit of frequency response: 41KHz vs 24KHz
  • Higher sensitivity: 104dB vs 100dB
  • Less weight: 9.1oz vs 12.6oz
  • Detachable cable
Votes 1 1
Rating 5 5
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Common

Product

Sennheiser HD 660 S
GRADO SR325e

Model

HD 660 S
SR325e

Brand

Sennheiser
GRADO

Reviews

327
2935

General

Wearing style

over ear
on ear

Enclosure

open back
open back

Wireless

Wired

Specifications

Transducer

dynamic
dynamic

Driver size, mm/inches

Impedance, Ohm

150
32

Frequency response, Hz

9Hz-41KHz
18Hz-24KHz

Total harmonic distortion (THD), %

0.04

Sensitivity (SPL), dB

104
100

Magnet type

Weight (headphones), g/oz

260/9.1
355/12.6

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

Jack connection (TRS)

6.35
3.5

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 660 S
GRADO SR325e
Sennheiser HD 660 S
GRADO SR325e

Headphones CHooseratoR comparison rating

  • better
  • worse
  • 8
  • 7
  • 8Sennheiser HD 660 S
  • 7GRADO SR325e

Sennheiser HD 660 S competitors

GRADO SR325e competitors