AUFX:PeakQ

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.