White epoxy powder-coated finish over solid brass, includes compressor, air tubing, fittings, and hardware. Dimensions: 17x9D L x 7x9D W x 3-3/4x9D H Maximum amp draw: 12 Volt: 20 Amps, 24 Volt: 10 Amps dB rating: 121 at one meter, 1/3 octave band Fundamental frequency: 375±15/315±15 Hz