K EF was one of the first specialist hi-fi manufacturers to get into home cinema speaker packages back in the early nineties, ...

OnePlus has introduced its latest wireless earbuds, the OnePlus Buds 4, in the Indian market. The Buds 4 feature a coaxial dual-driver setup, combining an 11mm ceramic-metal diaphragm woofer and a ...

They come equipped with a coaxial dual-driver setup, which includes an 11mm woofer with a 30-layer ceramic-metal diaphragm for deeper bass, paired with a 6mm tweeter for better highs.