Onkyo X6 review: specs and price

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.

A speaker driver is an individual transducer that converts electrical energy to sound waves. More drivers may result in better sound quality.

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

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When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.

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Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.

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

An amplifier is integrated into the device. An audio amplifier takes a small signal and makes it bigger without making any other changes in it which results in better sound, so any sound source can be connected to speakers.

A passive radiator looks like a normal driver (speaker) from the front, but on the backside all of its 'guts' are removed. Passive radiators allow woofers to produce deep tones that otherwise may not have been possible. They can have the same sonic output as larger speaker cabinets, but in a much smaller size.

Devices with a subwoofer have a higher quality, deeper bass.

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An indicator shows you when the device has low battery.

The battery can be recharged and used over again.

The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.

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How much power the device consumes when it's switched on.

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You can use the device with standard batteries instead of a power supply.

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An auxiliary input allows you to play other audio sources by connecting them through a simple audio connection like a 3.5mm jack, i.e for MP3 or portable DVD/CD player.

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

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With more USB ports, you are able to connect more devices.

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Multipoint allows you to link to more Bluetooth devices and switch between them. For example you can easily switch calls from one device to another without having to manually disconnect and reconnect.

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Wireless devices allow users more freedom of movement.