Sennheiser Momentum review: specs and price

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

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Resistance to sweat makes it ideal for use while doing sports.

The device comes with its own special case or pouch, which is useful for safe transportation.

An L-shaped plug is better if the jack is on the left or right side of the device, so that the cable isn't bent, and is less likely to break when the device is in your pocket.

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

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

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

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The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

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.

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Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

More microphones result in better sound quality and enable the device to filter out background noise.

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There is a control panel on the cable, so you can easily operate the device without having to interact with it.