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.

Our Products

Windows & macOS versions available. Download a free demo version of any product & use for as long as you’d like.

Need help choosing? See the Product Feature Comparison Table

Latest News

Marani DTP mode option in FIR Designer M

FIR Designer M Adds Marani Integration

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FIR Designer M v2.6 now integrates with Marani processors. Transfer a multiway DSP signal chain directly from FIR Designer M to Marani MIR FI & A series processors via the DTP (Direct-To-Processor) functionality within FIR Designer M. See step-by-step instructions. … Read More
Generic IIR mode in FIR Designer

Generic IIR Mode Added to FIR Designer

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A ‘Generic’ IIR filter mode has been newly added to FIR Designer (v3.5) & FIR Designer M (v2.6). It increases speed & accuracy when working with processors that don’t have their own branded IIR filter mode within the IIR Reference … Read More

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