• Loudspeaker Processing Solutions

    FIR filters | mixed FIR+IIR presets | system EQ

We provide software tools for equalizing audio systems and creating custom finite impulse response (FIR) filters & complete mixed FIR + IIR filter loudspeaker presets for single and multi-way loudspeakers.
Products in the Eclipse Audio range share an intuitive workflow that uses imported loudspeaker measurements as the starting point for filter & preset design.
Both macOS and Windows versions of all products are available. Download a free demo version of any product & use for as long as you’d like.


Our Products

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Latest News

Room Tuning without FIR….?

In this step-by-step case study, see how FIR Designer (using averaged measurements captured in Rational Acoustics’ Smaart®) was recently used to tune a system using only IIR filters – no FIRs at all... Read More

Download Averager loudspeaker measurement averaging software