The speaker shall be sub-woofer system. The component shall consist one 15" (38 cm) woofer. The speaker shall include an integral input connection cable, 8.6 mm (0.34") outside diameter, 4-conductor, 3 m (9.84") long. The speaker shall meet the following performance criteria. Power handling: 450 W continuous program. Frequency response (10 dB below rated pressure sensitivity, with recommended crossover and equalization) 40 to 400 Hz. Sensitivity (1 W at 1 m): 93 dB. Impedance: 8 ohms nominal.
The speaker enclosure shall be made of plywood and finished with black urethane coating. The speaker grille shall be made from a single punched stainless steel plate and finished with black paint. The speaker shall comply with the IEC IPX4 standard for dust and water resistance and operate within a temperature range from -10°C to +50°C (14°F to 122°F). The dimensions (W x H x D) shall be 526.6 x 594.8 x 550 mm (20.73" x 23.42" x 21.65") and weight (including accessory brackets) shall be 41 kg (90.39 lbs.). The speaker enclosure shall be equipped with M8 threaded steel plates for the secure attachment of optional accessory brackets. Available accessory brackets for suspension and stand mounting shall be made of steel.

The loudspeaker shall be TOA model SR-C15BWP.
The rigging frame shall be TOA model SR-RF8WP.