Dimensions (in.): 17 x 17.5 x 27 | Weight: 46 lbs | The second generation of one of the most successful and influential professional speaker systems ever. 15˝ Differential Drive® low-frequency driver with dual neodymium magnet for light weight and reduced distortion. 1˝ (throat diameter) JBL compression driver with 1.75˝ titanium diaphragm and ferro-fluid cooling. 300 watts low-frequency and 100 watts high-frequency (bi-amplified) - actual power delivered to the drivers. Built in 3-input mixer. One balanced mic/line input, two 1/4˝ 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. 60° x 90° (nominal) constant directivity horn. Thermomaster® Total Thermal Management System®. A single piece, cast-aluminum baffle integrates the woofer frame, horn, and amplifier heat sink. Air movement in the finned ports dissipates heat - no internal or external cooling fans are required. Rugged, light-weight, black co-polymer enclosure. Integral 35 mm pole mount receptacle. Multi-angle enclosure for front of house or stage monitor application. Tailored dynamic processing protects amplifiers and speakers from being over-driven without producing extreme changes in frequency response as level varies. Extended low-frequency performance Delivers powerful bass down to 39 Hz.