A versatile 4-band parametric stereo equalizer for everything between subtle frequency enhancements and agressive boosting/cutting or special resonator effects. This app is part of the AUFX series, a collection of simple and powerful audio effect apps. • High quality 32-bit DSP engine. • Two parametric peak filters with gain, frequency and Q. • Low-shelf filter with gain and frequency. • High-shelf filter with gain and frequency. • Displays the resulting frequency response graph in real-time. • Real-time FFT spectrum analyzer with pre/post/off switch. • Process hardware input/output. • Process other apps through Inter-App Audio or Audiobus (input/filter/output slots supported). • Save, load and share user presets. • Supports Audiobus 2 state saving. • Comes with several bundled presets. • Fully MIDI controllable, including Virtual MIDI. • Background Audio. • Built-in lookahead limiter to prevent clipping. • Record the result directly in app. • Email recordings or export to AudioShare audio document manager app. • Access user presets and recordings through iTunes File Sharing.