Take full advantage of the built in parametric equalizer in your Control4 4 zone and 8 zone (V3) amplifiers. This app lets you configure each music zone independently, change the volume, bass, and treble by zone, set the maximum volume level for each zone so your teenagers do not blow out the speakers or your ears, and offers a reset button. Serious audiophiles can really fine tune their listening experience using the amps built in 5 zone parametric equalizer to set the frequency, gain, and quality factor (Q) for each band using a simple slider based interface on your touch screen. This app is valued at 29.99 but is free with any Control4 amplifier.