Precision Sound,
Perfectly Yours

Shape every detail of your music with precise EQ, high-resolution DSP, and a private AI assistant that runs on your PC.

Preview of the English parametric EQ screen in EQing 1.0.2

Local AI EQ

Describe the sound you want
and get a ready-to-use EQ

Advanced EQ

Fine control with a flexible
parametric equalizer

Powerful DSP

High-quality processing with
careful gain management

High Resolution

Upscaling, DSD, and
bit-perfect output options


Powerful DSP & EQ Engine

Precise controls for correction, creative listening, and a sound signature that is entirely yours.

AI EQ Assistant

Explain the sound you want in everyday language. A local Gemma model creates an EQ curve, explains the key moves, and lets you refine it through conversation.

Parametric EQ

Control frequency, gain, and Q across multiple filter types, with an interactive response graph that updates in real time.

Listening & Spatial Effects

Crossfeed, stereo width, dynamic EQ, tube harmonics, depth, height, front/rear positioning, and HRTF processing.

Preamp & Headroom

Manage level precisely while automatic headroom and output protection help prevent clipping when filters are boosted.

Presets & Import

Save your own presets or import AutoEQ and REW ParametricEQ files to apply trusted correction profiles immediately.

High-Resolution Engine

32-bit floating-point processing, polyphase upscaling, harmonic excitation, and native DoP playback for compatible DACs.


Engine & Output

Internal processing32-bit float
Output backendsWASAPI Shared / Exclusive · Loopback
Parametric EQMulti-band · Peaking / Shelf / Pass
UpscalingPolyphase sinc · high-ratio
DSD playbackDSF / DFF · native DoP
Spatial audioHRTF · crossfeed · stereo width
PresetsAutoEQ / REW import · save / load
AI EQLocal Gemma 4 E2B GGUF · CPU · offline
Operating systemWindows 10 / 11, 64-bit

Make every track sound like yours

Playback, parametric EQ, upscaling, exciter, listening effects, spatial audio, and AI EQ are all free.
No account, serial number, or activation required.