4) Rockford Fosgate R1T-S 1" 160 Watts Component Car Audio Tweeters System Kit 4) Rockford Fosgate R1T S 1" 160 Watts Component Car Audio Tweeters System Kit (4 pack) Power Handling (RMS): 40 Watts RMS (80W per 4 pack) MAX Power: 80 Watts (160W per 4 pack) 1/2" (13mm) mylar balanced dome tweeter Multiple mounding configurations: flush surface angle