Ultimate Ears Miniroll provides loud sound in a small size with easy connectivity to multiple devices simultaneously. The ...

Kanto sound for a fraction of the price Launching in the second half of 2025 $199 / £199 (which is around AU$320) Kanto makes the superb Ren powered speakers, which we absolutely loved – but at ...

Headphones, which contain small loudspeakers, use the reverse effect to microphones - the motor effect. In these devices, variations in an electric current cause variations in the magnetic field ...

The motor effect is used inside headphones, which contain small loudspeakers. In these devices, variations in an electric current cause variations in the magnetic field produced by an electromagnet.