David Hughes tries out three new low-cost companions to the Alesis Microverb - the Micro Enhancer, Micro Gate, and Micro Limiter. Are they the Accessit range of the Eighties?

EXCLUSIVE: Paul Gilby examines the very latest American audio invention for removing cotton wool from your ears!

Geoff Levin tries the latest word in psychoacoustic enhancement, and finds it involves analysing the entire frequency spectrum, then time-aligning parts of it. What do the results sound like in the studio?

Does BBE's new box of psychoacoustic tricks offer a new way of livening up a mix? David Mellor takes his music to the max.

There's not a MIDI socket in sight on this range of German studio units. They are simply good solid audio processors. Dave Lockwood checks them out.

Subharmonic Synthesiser

This subharmonic synthesiser promises to do for your bottom end what an aural exciter does for your top.

subharmonic synthesiser

When you hear the beat go boom and you feel it in the pit of your stomach, look out for this black magic box

Aphex Type C, BBE Sonic Maximizer, SPL Vitalizer

Three psychoacoustic enhancers, all designed to make your music sound bigger, clearer and more impressive.

Aphex Aural Exciter Type C2

Aural Excitement complete with the new 'Big Bottom' bass enhancer. A veritable feast of sonic titillation.

It took the importing enterprise of Audio Services to bring us a new range of well-priced effect units from Dutch company IQ Systems. Sound engineer Gareth Stuart checks out two of the range: the dual noise gate, and stereo clarifier - a psychoacoustic sound enhancer.