• 5.25" poly woofer • ¾" pivoting tweeter • 91 dB Efficiency • Power handling 30 watts: 60 watts max • 8 ohms • Overall dimensions: 7 1/2” circumfrence • 6 ½" poly woofer • ¾" pivoting dome tweeter • 91 dB efficiency • Power handling 40 watts: 80 watts max • 8 ohms • Overall dimensions: 8 3/8” circumfrence • 8" poly woofer • ¾" pivoting tweeter • 91 dB efficiency • 12 dB/octave crossover • Power handling 50 watts: 100 watts max • Overall dimensions: 9 3/4” circumfrence