Custom Sound is the updated version of CS-EQ is used to control IP Speakers and Wifi Speakers.
1.Adjust frequency, gain, q factor , filter type and other parameters of eq
2.Adjust input gain
3. Save current preset.
4.Search device automatically.
5.Apply to iOS 6.0 and later.
a little bug has been fixed.
With Family Sharing set up, up to six family members can use this app.