Listen to music to a whole new level with a PAIR of TPT-CX69-4 PRO, a 6x9 2-Way Coaxial, that is basically a PRO Audio full-range loudspeaker combo. This pro midbass speaker has an impressive punch combined with its bullet tweeter. It responds from 70 to 20, 000 Hz and gives your system a new quality of sound. 125 Hz under 325 Watts of Amplifier RMS Power with 18dB Slope120 Hz under *250 Watts of Amplifier RMS Power with 12dB Slope (*Maximum power handling using a regular car audio amplifier crossover)