



Hieroglyphic Opalina Filter Network Module Including Input Expander - Silver
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Hieroglyphic Opalina Filter Network Module Including Input Expander - SilverA dual channel stereo state variable filter network offering two distinct operating modes for spectral shaping and crossover duties. Resonator mode configures three band pass filters to emphasise formants and resonant peaks, while Isolator mode uses a cascaded topology with variable mid bandwidth for resonant crossover applications. The fully analogue signal path provides individual inputs and outputs for each band, continuously variable band input
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Product Reviews
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026
★★★★★ 5
East
Easy to replace and great fit
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Perfect fit
Nice quality
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Reviewed in the United States on May 10, 2025
★★★★★ 5
I'll get again.
Style: PA99892
Perfect fit and nice condition
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Great Value
Style: PA99892
Great value. Dealer wants $75 to replace engine filter. The filter is just as good as the OEM one. Total time to install is less than 3 minutes.
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Reviewed in the United States on November 23, 2025