45points

Brainwavz M2 IEM

37points

Sennheiser HD 660 S

Brainwavz M2 IEM
Comparison winner
Sennheiser HD 660 S
vs
vs

41 facts in comparison

Brainwavz M2 IEM vs Sennheiser HD 660 S

Brainwavz M2 IEM
Sennheiser HD 660 S
45
points
Brainwavz M2 IEM
37
points
Sennheiser HD 660 S

Why is Brainwavz M2 IEM better than Sennheiser HD 660 S?

  • Has passive noise reduction
    ?
  • 7dB/mW higher sound pressure level
    ?

    115dB/mWvs108dB/mW
  • 130 Ohms lower impedance
    ?

    20 Ohmsvs150 Ohms
  • Has a neodymium magnet
    ?
  • Has a 3.5mm male connector
    ?
  • 242g lighter
    ?

    18gvs260g
  • Travel bag is included
    ?
  • Has an in-ear form
    ?

Why is Sennheiser HD 660 S better than Brainwavz M2 IEM?

  • 11Hz lower low-frequency
    ?

    9Hzvs20Hz
  • 21500Hz higher high-frequency
    ?

    41500Hzvs20000Hz
  • Has an over-the-ear form
    ?
  • Has a detachable cable
    ?
  • Has a straight plug
    ?
  • Has an open-back design
    ?

Price comparison

Sennheiser HD 660 S

ProductStorePrice
Sennheiser HD 660 S AmazonSennheiser HD 660 S - HiRes Audiophile O...Sennheiser HD 660 S - HiRes Audiophile Open Back Headphone
Amazon logo
$484.40
Sennheiser HD 660 S AmazonSennheiser HD 600 Open Back Professional...Sennheiser HD 600 Open Back Professional Headphone
Amazon logo
$399.95
Sennheiser HD 660 S AmazonSennheiser HD 650 Open Back Professional...Sennheiser HD 650 Open Back Professional Headphone
Amazon logo
$419.95
Sennheiser HD 660 S AmazonSennheiser HD 800 S Reference Headphone ...Sennheiser HD 800 S Reference Headphone System
Amazon logo
$1,659.00
Sennheiser HD 660 S AmazonSennheiser HD 599 Open Back Headphone, I...Sennheiser HD 599 Open Back Headphone, Ivory
Amazon logo
$249.00
Sennheiser HD 660 S AmazonSennheiser HD 598 Cs Closed Back Headpho...Sennheiser HD 598 Cs Closed Back Headphone
Amazon logo
$481.38
Sennheiser HD 660 S AmazonDrop + HIFIMAN HE4XX Planar Magnetic Ove...Drop + HIFIMAN HE4XX Planar Magnetic Over-ear Open-back Headphones,midnight-blue
Amazon logo
$180.00
Sennheiser HD 660 S AmazonSennheiser HD280PRO Headphone (new model...Sennheiser HD280PRO Headphone (new model)
Amazon logo
$99.00
Sennheiser HD 660 S AmazonHIFIMAN SUNDARA Over-ear Full-size Plana...HIFIMAN SUNDARA Over-ear Full-size Planar Magnetic Headphones with High Fidelity Design Easy to Drive by iPhone /Android Comfortable Headband Open-Back Design Easy Cable Swapping Black
Amazon logo
$349.00
Sennheiser HD 660 S AmazonSennheiser HD 559 Open Back Headphone - ...Sennheiser HD 559 Open Back Headphone - Black
Amazon logo
$99.95

Design

1.has stereo speakers
Brainwavz M2 IEM
Sennheiser HD 660 S
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
2.has an over-the-ear form
Brainwavz M2 IEM
Sennheiser HD 660 S
Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.
3.has a detachable cable
Brainwavz M2 IEM
Sennheiser HD 660 S
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
4.sweat resistance
Brainwavz M2 IEM
Sennheiser HD 660 S
Resistance to sweat makes it ideal for use while doing sports.
5.weight

18g

260g

We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
6.weather-sealed (splashproof)
Brainwavz M2 IEM
Sennheiser HD 660 S
The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.

Sound quality

1.lowest frequency

20Hz

9Hz

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
2.highest frequency

20000Hz

41500Hz

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
3.has passive noise reduction
Brainwavz M2 IEM
Sennheiser HD 660 S
The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.
4.has active noise cancellation (noise control)
Brainwavz M2 IEM
Sennheiser HD 660 S
This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
5.sound pressure level

115dB/mW

108dB/mW

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
6.impedance

20 Ohms

150 Ohms

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

Power

1.has a rechargeable battery
Brainwavz M2 IEM
Sennheiser HD 660 S
The battery can be recharged and used over again.
2.has a battery level indicator
Brainwavz M2 IEM
Sennheiser HD 660 S
An indicator shows you when the device has low battery.
3.has a removable battery
Brainwavz M2 IEM
Sennheiser HD 660 S
The battery is removable and can be replaced by the user if broken.

Connectivity

1.Can be used wirelessly
Brainwavz M2 IEM
Sennheiser HD 660 S
Wireless devices allow users more freedom of movement.
2.has a 3.5mm male connector
Brainwavz M2 IEM
Sennheiser HD 660 S
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
3.supports Wi-Fi 5 (802.11ac)
Brainwavz M2 IEM
Sennheiser HD 660 S
802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability, and improved power consumption. It provides advantages for gaming and HD video streaming.
4.supports Wi-Fi 4 (802.11n)
Brainwavz M2 IEM
Sennheiser HD 660 S
Wi-Fi 4 (802.11n) is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors – a, b, and g.
5.supports Bluetooth pairing using NFC
Brainwavz M2 IEM
Sennheiser HD 660 S
Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
6.supports Wi-Fi
Brainwavz M2 IEM
Sennheiser HD 660 S
The device can connect to Wi-Fi.

Features

1.can be used as a headset
Brainwavz M2 IEM
Sennheiser HD 660 S
A headset is one headphone or pair with a built-in microphone. Headsets can be used for apps that require communication i.e. Skype, games with voice chat, mobile phones, etc.
2.has a noise-canceling microphone
Brainwavz M2 IEM
Sennheiser HD 660 S
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.
3.control panel placed on a device
Brainwavz M2 IEM
Sennheiser HD 660 S
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
4.Has an in-line control panel
Brainwavz M2 IEM
Sennheiser HD 660 S
There is a control panel on the cable, so you can easily operate the device without having to interact with it.
5.Has voice prompts
Brainwavz M2 IEM
Sennheiser HD 660 S
With voice prompts, you will automatically receive information via audio messages – for instance, you may find out that the battery is running low, and it's time to recharge the device.
6.has voice commands
Brainwavz M2 IEM
Sennheiser HD 660 S
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

Price comparison

Sennheiser HD 660 S

ProductStorePrice
Sennheiser HD 660 S AmazonSennheiser HD 660 S - HiRes Audiophile O...Sennheiser HD 660 S - HiRes Audiophile Open Back Headphone
Amazon logo
$484.40
Sennheiser HD 660 S AmazonSennheiser HD 600 Open Back Professional...Sennheiser HD 600 Open Back Professional Headphone
Amazon logo
$399.95
Sennheiser HD 660 S AmazonSennheiser HD 650 Open Back Professional...Sennheiser HD 650 Open Back Professional Headphone
Amazon logo
$419.95
Sennheiser HD 660 S AmazonSennheiser HD 800 S Reference Headphone ...Sennheiser HD 800 S Reference Headphone System
Amazon logo
$1,659.00
Sennheiser HD 660 S AmazonSennheiser HD 599 Open Back Headphone, I...Sennheiser HD 599 Open Back Headphone, Ivory
Amazon logo
$249.00
Sennheiser HD 660 S AmazonSennheiser HD 598 Cs Closed Back Headpho...Sennheiser HD 598 Cs Closed Back Headphone
Amazon logo
$481.38
Sennheiser HD 660 S AmazonDrop + HIFIMAN HE4XX Planar Magnetic Ove...Drop + HIFIMAN HE4XX Planar Magnetic Over-ear Open-back Headphones,midnight-blue
Amazon logo
$180.00
Sennheiser HD 660 S AmazonSennheiser HD280PRO Headphone (new model...Sennheiser HD280PRO Headphone (new model)
Amazon logo
$99.00
Sennheiser HD 660 S AmazonHIFIMAN SUNDARA Over-ear Full-size Plana...HIFIMAN SUNDARA Over-ear Full-size Planar Magnetic Headphones with High Fidelity Design Easy to Drive by iPhone /Android Comfortable Headband Open-Back Design Easy Cable Swapping Black
Amazon logo
$349.00
Sennheiser HD 660 S AmazonSennheiser HD 559 Open Back Headphone - ...Sennheiser HD 559 Open Back Headphone - Black
Amazon logo
$99.95

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