UK - MTR's PS-4 passive 4-way splitter has receives an upgrade in the form of the PS-4V, which sees two volume controls added, operating on channels one and four. The PS-4 will be familiar to many hundreds of school pupils in the music keyboard classroom and the computer classroom, as well as in home and project studios for headphone monitoring, and this improvement means they no longer have to listen at their neighbour's volume. MTR say the PS-4V is available now, and the regular PS-4 continues in production.
