AKG K845BT review: specs and price

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

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.

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Folding devices are good for transporting as they take up less space in your bag.

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

A long cable ensures more freedom of movement.

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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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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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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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An indicator shows you when the device has low battery.

Wireless devices allow users more freedom of movement.

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The device can connect at a greater distance via Bluetooth or infrared to another device.

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

The device can connect to WiFi.

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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.