Vintage Polk Audio Monitor 4 Series ll/2 December 14, 2020 by mercury Vintage Polk Audio USA Made Monitor 4 Series II/2 Stereo Speakers w/ black finish. Drivers: 1 – 3/4″ Tweeter (SL1500) Poly Dome 1 – 6.5″ Woofer (MW6502) Bi-Laminate Dimensions: 14.25″H x 8.5″W x …