: The classic pairing of the Roland TR-909 drum machine and Roland TB-303 bass synthesizer.

: Nord Modular, Oberheim OB-Xa, and UVI Prophet-10.

ΦΩΝΟΠΤΙΚΟΝ is heavily influenced by , sci-fi , and noir cinema . Konstantinidis, a veteran of the Greek electronic scene and member of the avant-garde group drog_A_tek , utilizes this project to blend 80s electro-wave with dark techno beats and modern production. "Duel" embodies this aesthetic, moving away from standard song structures toward an atmospheric, narrative-driven soundscape. Musical Composition & Equipment

"Duel" is a haunting, cinematic electronic track by the independent Athens-based project , the audio-visual alter ego of producer Stefan Konstantinidis . Originally released as a single in June 2020, it serves as a centerpiece for the full-length album Outland , which debuted on December 18, 2020. Artistic Background

True to the project's A/V nature, "Duel" is accompanied by a stylized music video—available on the official Fonoptikon YouTube channel —that mirrors the track's cinematic, neon-noir inspiration.