GoKawiilDeveloper runs NAM A2-Lite amp modeling directly on iRig HD X's onboard chip
A developer reprogrammed the firmware of IK Multimedia's iRig HD X USB audio interface to run NAM A2-Lite, a compact neural amp-modeling engine, directly on the device's built-in 500 MHz NXP Cortex-M7 processor. Instead of streaming guitar audio to a computer or phone for amp simulation, the interface now processes a 5150-with-OD808 amp model in real time internally, fitting the engine into 128 KiB of FlexRAM and measuring performance close to the original NAMCore software.
GoKawiil's interpretation of the reporting above, not reported fact.
This shows that everyday USB audio interfaces often contain enough unused processing power to run sophisticated real-time audio effects without any host computer, turning passive hardware into a self-contained modeling amp. It hints at a broader trend where firmware hacking can unlock new functionality from existing consumer audio gear, reducing dependence on external software or DSP-equipped hardware.
- The iRig HD X's onboard NXP Cortex-M7 chip was repurposed to run neural amp modeling locally.
- NAM A2-Lite, originally built for embedded use, was squeezed into 128 KiB of FlexRAM.
- The modified device achieved audio fidelity close to -115.6 dB versus the reference NAMCore software, all without a connected computer.
IK Multimedia iRig HD X — This is the exact interface hacked in the article to run NAM amp modeling natively on its onboard Cortex-M7 chip. It's a solid standalone USB guitar/mic interface with real analog tone shaping even before you start flashing custom firmware onto it. Great pick for guitarists who want quality DI recording and headphone monitoring on the go.
See IK Multimedia iRig HD X on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: playtaurus.com, 2026-09-16
Published there as: “I Put Nam A2-Lite Inside an iRig HD X”
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