Reviews

With more than 40 years’ independent reviewing experience you can trust our recommendations and buy with confidence. We test every product as a team in our bespoke listening rooms – find out more about how we test on our About Us page.

By What Hi-Fi? published 19 April 18

Despite improved competition, the Gram Amp still stands the test of time.

By What Hi-Fi? published 15 January 09

The Voyager really shines as a portable headphone amp. It might not be the most practical thing ever, but it's packed with potential

By What Hi-Fi? published 14 December 08

Best headphone amplifier Awards 2011. Music through the Graham Slee Novo is involving and engaging