This offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onTC Electronic Spark Mini Booster, tested and fully working. Up to 20 dB of clean boost in a tiny pedal, with a single level knob. Very good condition. No box. Runs on a 9V power supply (no battery compartment).Collection from London SW8 (Nine Elms / Vauxhall) or near Finsbury station. I have other pedals listed and can do a discount for two or more.

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