Professional Belden 4-conductor speaker cable 4 x 1.55mm, 16 AWG gauge (model 1308A). Engineered for high-quality professional audio installations, PA systems, and amplifier setups. Delivers excellent conductivity with secure and stable signal transmission featuring low impedance characteristics that minimize signal loss. Perfect for studios, live events, retail environments, commercial installations, and critical acoustic applications requiring reliable, crystal-clear sound reproduction.