40 years not out. A good time to celebrate the best 40 hi-fi and home cinema products to pass through our test rooms.

As What Hi-Fi? celebrates its ruby anniversary, join us for a nostalgic look back at four decades of home entertainment.

A lot has happened in the past 40 years. We've seen the birth and death of numerous products and formats - from Betamax to LaserDisc, Discman to MiniDisc - as you can see in our tech timeline below.

We've split this round-up of the best 40 products of our era into four sections. See the links below for each section.

This is the kit that went beyond good to achieve landmark greatness. This is the very best of hi-fi, home cinema and portable entertainment. Enjoy...

More after the break