Zoom ZHA-4 4-channel Headphone Amplifier Multisonus Audio It solves an annoying problem

It solves an annoying problem that people have complained about for years

These Reference Level calibration standards are implemented with a superb degree of accuracy via high-precision resistors and relay-controlled stepped attenuation

and under AAX in Pro Tools 10

GRM Tools Spectral Transform (ST) is a bundle of four plug-ins that provides extremely powerful tools to transform deeply the spectral content of your audio material

This minimizes interference between the drivers and also allows the SC307 to deliver a very efficient and dynamic sound reproduction

Zoom ZHA-4 4-channel Headphone Amplifier Multisonus Audio It solves an annoying problemThe ZHA 4 splits a single stereo headphone output into four separate powered 1 8 headphone jacks, each with their own volume and mute control. Perfect for bands, podcasts, productions, and more. The ZHA 4 splits a single stereo headphone output into four separate powered 1 8 headphone jacks, each with their own volume and mute control. Perfect for bands, podcasts, productions, and more. Portable, stereo headphone amplifier. 4 independent 3. 5 mm