Effect Pedals & Processors
Elysia xfilter 500
Elysia xfilter 500, Stereo Equaliser, 100% Class-A topology, True stereo link, High and low shelf filter, Resonance-capable highpass and lowpass filter, Two parametric mids with switchable Q, Additional passive high band, Stepped potentiometer...
https://www.bizrate.co.uk/effectpedals_processors/elysia-xfilter-500-oid5267685875.html