Sony MDR-EX150AP vs Sony MDR-XB50AP

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

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The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.

Allows you to change ear pads without buying new ones.

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.

Device is protected with extra seals to prevent failures due to any kind of weather.

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

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

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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.

The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.

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Wireless devices allow users more freedom of movement.

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

A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.

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

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

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