Akai EA-M830 Digital Sound Processor/Graphic Equalizer In terms of enhanced playback capabilities and sheer enjoyment, this is not an option, it's a necessity! Add any of the ten separate tonal characteristics to the sound you're listening to: from an echoing church to an enormous outdoor stadium by way of a classical concert hall. And know that Akai's digital sound processing does it while preserving top tonal quality. Give precise boost or cut to frequencies in each of seven bands on both channels independently, at the touch of a button. Watch the seven band full range spectrum analyser, or display any one of a number of displays of the created sound fields of the EA-M830. It's a fascinating addition to your enjoyment of audio, and one of which you will never tire. Specifications Control Range: ± 10dB Frequency Bands: 63, 160, 400, 1K, 2.5K, 6.3K, 16KHz Dimensions: 360 x 95 x 300mm Year: 1991 >>>Shipped insured