The eMo Q4 from Waves is a 4-band equalizer plug-in designed to provide flexible EQ options via a simple interface, while offering low CPU usage and zero latency. It can be used in a variety of hosts and platforms, including the eMotion LV1 mixing console.

The frequency for each of the four bands is sweepable from 16 to 21,357 Hz. Adjust gain per band with up to 18 dB of boost or cut. Flexible bandwidth options are available with Q values ranging from 0.05 to 6.50. Additionally, each band features a selectable type to change the slope of the EQ band. When used in stereo, left and right controls can be adjusted independently or linked together. Multi-touch functionality make the eMo Q4 ideal for use with multi-touch screens.