Onkyo X6 review: 34 facts and highlights

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

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.

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

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

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.

An indicator shows you when the device has low battery.

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

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.

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

The battery can be recharged and used over again.

Wireless devices allow users more freedom of movement.

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

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.

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

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

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

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

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

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.