# \#hypex-fusion-amp

**URL:** https://discourse.midwestaudio.club/tag/hypex-fusion-amp/152.md

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## [Hypex FA123: Going down the FIR filter rabbit hole](https://discourse.midwestaudio.club/t/hypex-fa123-going-down-the-fir-filter-rabbit-hole/711)

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**Author:** [@4thtry](https://discourse.midwestaudio.club/u/4thtry)\
**Replies:** 65\
**Last updated:** [September 23, 2026, 8:27pm UTC](https://discourse.midwestaudio.club/t/hypex-fa123-going-down-the-fir-filter-rabbit-hole/711 "2026-09-23T20:27:35Z")

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I won two Hypex FA123 plate amps at the SDC this year, so I decided to take the plunge into DSP and FIR filtering. There is quite a bit of documentation on the web as to how to go about implementing FIR filters on a DS…