Vplak now offers the potent KEF LS50 Meta Bookshelf Speaker. KEF's goal has been to preserve the authenticity of original sound with the least amount of intervention since the company was founded in 1961. Every KEF product's main goal is to deliver to you an exhilarating listening experience that is as similar to the original recording as is reasonably possible in the limits of your home. features of KEF's breakthrough Metamaterial Absorption Technology (MAT) reducing unwanted sound from the rear of the driver by 99%.