Onkyo X9 review: specs and price

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

Best

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.

Best

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.

For example

Best

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

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

Best

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.

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

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

Best

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

Best

Best

The battery can be recharged and used over again.

An indicator shows you when the device has low battery.

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.

Best

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

For example

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

Best

Best

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.

Best

With a standard mini jack socket, you can use the device with most headphones.

Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.

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

Best

Wireless devices allow users more freedom of movement.

You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

For example