Woofer: Two 15" 2 way. Each has 50oz magnet w/ a 2" Kapton voice coil. 4 ohms. 45Hz-20KHz * 700 W RMS-1400 Peak Sensitivity: 96 db. Tweeter: 1.5" Titanium driver 10oz magnet & 1" throat * Crossover: 12/18db per octave 3000hz high power w/ dual glass bulb tweeter protection * 5/8 front panel plywood. Black carpet with black metal corners. Recessed handles. Metal Grill * Input terminal with two 1/4" & two Speakon inputs. Dual ports. 45" tall x 18" wide x 16" deep