Original classic model Audiobahn speakers 5.25" multi-layer honeycomb woofer with butyl rubber surround Component speaker system includes woofers, tweeters, and crossovers 1" silk dome tweeter with multiple mounting options External crossover (12 dB per octave slope) with tweeter gain switch Car Audio and Music fanatics will remember the ABC series speakers from Audiobahn's heyday. These speakers were designed and built in the early to mid 2000's when they made their best products. Component speaker system includes woofers, tweeters, and crossovers 5.25" multi-layer honeycomb woofer with butyl rubber surround 1" silk dome tweeter with multiple mounting options External crossover (12 dB per octave slope) with tweeter gain switch Power range: 2-120 watts RMS (240 watts peak power) Frequency response 35-25,000 Hz Sensitivity: 90 dB Top-mount depth: 2-1/4"