Presonus Air 12 Powered Speakers

The best of two worlds.Each type of power amplifier has advantages and disadvantages. By employing different amplifier types for each driver, AIR12 loudspeakers use the respective strengths of Class D and Class A/B amplifiers to provide optimal response throughout the speaker? s frequency range. A 500W (continuous), Class D amplifier powers the 12-inch low-frequency driver, providing efficient, clean power for gut-shaking low end when you need it. A 200W (continuous), Class AB amplifier powers the 1.35-inch high-frequency driver, delivering a natural sounding, "AIR-y" high end. The combination can deliver up to 131 dB SPL of sweet, clear sound between 48 Hz and 20 kHz.