Sales +44 (0)1908 241706

Latest News

4HM Introduce Significant Updates to MADI-AES Converter and MADI Monitor Units at IBC 2014 (Hall 10, Stand 10.A30)
Read more

The New Way to Monitor MADI

Based in the UK and supplying a world market, 4HM design and manufacture a range of Professional Audio Interface products for Broadcast, Production, Live Sound and all professional audio applications.