Check the listing for details. Electro Faustus Blackfly Modular Spring Activated Instrument Eurorack Module. Condition: New. Listed at 135.00 USD. Electro-Faustus EF110M Blackfly Modular Spring Activated Instrument Eurorack Synth Module Description The Blackfly is a spring activated instrument that delivers a wide spectrum of sonic textures. A secret weapon for serious noise makers, soundscape architects and spacious jam explorers alike!The Blackfly consists of 4 springs arranged from a low to high pitch. Stricking, strumming, scraping or plucking these springs will create a wide spectrum of sonic textures. Where you play the on the spring and how much pressure applied will yield various effects.https://youtu.be/NNM_SPK3CsM Features Swat - This is a momentary switch. depressing the button will create cool cut-up effects!Swarm This dial when turned from Left to Right will determing the range of frequency being transmitted byTuning - After playing the Blackfly it may be necessary to tune the springs by tightening the nuts. The hardware of this instrument was kept as flexible as possible (like a guitar) so that modifications can be made.UPC: 713289857356Color: Black Attributes Color (X): BlackModel Name (X): EF110MVideo Link (X): https://youtu.be/NNM_SPK3CsMType (X): Eurorack Synth Module