JBL EON15-G2 Powered PA Speaker - with Mixer and EQ, 15 Inch, 400 Watts The second generation of one of the most successful and influential professional speaker systems ever 15 in Differential Drive low-frequency driver with dual neodymium magnet for light weight and reduced distortion. 1 in (throat diameter) JBL compression driver with 1.75 in titanium diaphragm and ferro-fluid cooling 300 W low-frequency and 100 W high-frequency (bi-amplified) - actual power delivered to the drivers Built in 3-input mixer. One balanced mic/line input, two .25 in phone line-level inputs. Two-band equalization. Balanced loop-through/mix output. "Daisychain" additional EON speakers or send the mixed output to a mixing console.