Elysia Xfilter 500-Series Class A Stereo Equalizer Saxophone Mouthpieces • All slots support full-length

• All slots support full-length cards

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Elysia Xfilter 500-Series Class A Stereo Equalizer Saxophone Mouthpieces • All slots support full-lengthThe xfilter 500 is all about flexibility. It offers high and low shelf bands, both of which can be switched into high and low cut filters with resonance a special feature culled from elysias flagship equalizer, the museq. The xfilter 500 also provides two mid peak filters with switchable (wide or narrow) Q factor. In addition to its four flexible active bands, the xfilter 500 features a unique switchable fixed LC filter for polishing the high