Klipsch RB-51 II Woofer #1011955

Brand New Genuine Klipsch 1011955 Woofer for RB51 Series II (4 ohm).

Also use this part to replace the original RB-51 (Series I) woofer. The only difference is the original had a shielded magnet and this one does not. Visually, the Series II woofer has a bit larger dustcap.