Seismic Audio - 4x8 Bass Guitar Speaker Cabinet PA DJ 500 Watts 4 8 with horn 5/8 plywood front panel; Black carpet with black metal corners; Recessed metal handles Woofer -four 8" with 20 Ouncemagnets and 1; 5" kapton voice coils; 500 watts rms -1000 peak Wired at 8 ohms. 60hz 20khz sensitivity: 97 db terminal cup with two 1/4" jack inputs 1" super tweeter crossover is at 3,500hz 12db/octave. Full metal grill