This is a used Maag EQ4 500 series equaliser. We have two units available, both are in mint condition with original boxes.
The Maag Audio EQ4 is a single channel 6 band equalizer with the legendary AIR BAND.
The Maag AIRBAND provides a shelf boost from 2.5 to 40kHz and with the frequencies below being affected due to the transitional slope of the EQ. All the EQ4's band passes all interact with each and provide a musical EQ with minimal phase shift and detented controls for easy recall.
Presented in the popular 500 Series lunchbox portable format, the EQ4 offers the legendary Maag AIR BAND and five other sonically superior band passes.