dac-peq-manager

Hardware DSP Flasher (KTMicro KT02H20) & Host PEQ Suite

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Demo Mode Remember Device

Mobile Browser Detected: WebHID Not Supported on Android Chrome
Android Chromium does not expose the desktop WebHID API. To use your EQ on Android right now, click Export Wavelet GraphicEQ (.txt) below and import it into the free Wavelet app—or burn your curve once into hardware NVRAM from a desktop PC/Mac/Linux host so the dongle carries your tuning into Android automatically!

Hardware Safety Guard Triggered: Conexant CX31993 Detected (VID 0x0572)
The JCALLY JM6 Pro (Conexant CX31993) uses fixed mask ROM with One-Time Programmable (OTP) registers. Hardware register writes are permanently blocked to prevent bricking the USB audio descriptor. Please use the Host DSP Exporters below (PipeWire filter-chain, EqualizerAPO, or Wavelet).

Acoustic Target Presets

BASN BmasterX 6 1DD+3BA+2PZT

Tighten 8mm mid-bass warmth, pull vocals forward, tame 9.8kHz ceramic peak.

SIMGOT EW300 (Silver) Steel Nozzle

Simgot-Golden2023 target: Sub-bass punch and smoothed upper-mid/PZT energy.

SIMGOT EW300 (Gold) Copper Nozzle

H-2019 target: De-mud lower mids and restore top-end air and micro-detail.

Flat Bypass 0 dB Reset

Hardware bypass reset: Sets all 5 bands to 1000 Hz 0 dB gain with 0 dB preamp.

JM-1 Target Modern Target

Jaytiss human impedance target: Deep sub-bass with smooth, non-fatiguing 3kHz ear gain.

IEF Neutral Studio Flat

Crinacle target: Linear unboosted bass with relaxed studio monitor pinna balance.

Harman In-Ear 2019 v2

Harman target: Heavy +9dB sub-bass shelf and forward +12dB ear gain peak.

Community Measurement Database (8,800+ AutoEq & Squiglink Profiles)

Quick Picks:

Frequency Response (20 Hz – 20 kHz)

Target: Bounds:

Loading EQ curve...

🔊 Resonance Finder (Web Audio) Audition pure sine tone through your DAC to pinpoint ear canal resonances (4k-10k)

Freq: 7000 Hz

Volume: -30 dB

5-Band Biquad Filter Matrix

DSP Architecture:

Global Preamp

-2.5 dB

Memory Slot (0x24)

DAC Reconstruction Filter

Compensate 2X Clock Divisor (Old Firmwares) Live Audition (Auto-apply on drag)

Import / Load Preset

Host DSP Exporters (JCALLY JM6 Pro / Linux / Android / Windows)

Export Fidelity:

For DACs without onboard writable DSP NVRAM (such as the Conexant CX31993 / JCALLY JM6 Pro), export software DSP configurations locked to your hardware output:

Hardware DAC Directory & Compatibility Matrix

Catalog of tested USB-C DAC dongles, internal chipsets, and recommended hardware vs. host DSP workflows.