Assuming they are the JAC 15's, here's the spec
15' 2-way speaker delivering 500 watts continuous and 1400 watts peak power, in a high density polypropylene moulded composite cabinet, giving light weight with no compromise on stength.
Designed by Class D to be the flagship of their range aiming to blow all other makes of 15' speakers out of the water. (THESE CABS ARE AWESOME)High clarity top end with a thunderous bottom end gives these cabs a rating on their own. Got to be heard to be believed, designed to excel as a live speaker, suitable for any kind of venue large or small.
Class d have spent 5 years in the development of its products and all involved are proud of this one.
Product Description
Model Number: JAC 15
Brand Name: Class-D
Specifications:
1) RMS power: 500W
2) Impedance: 8 Ohm
3) 1.75' Frequency horn
4) Sensitivity (1W, 1M): 98dB
5) Frequency response: 45Hz - 20kHz
6) Maximum SPL: 122dB
7) Nominal Coverage (H x V): 90 x 60o
8) Components: 15' woofer,
9) 76oz Magnet
10) Cast Aluminum chassis
11) 3' Voice coil
12) Protection: independent overload protection
13) Connections: 'Speakon'
14) Built-in crossover and circuit protection have been integrated into the design
15) Weight 21Kg
Features:
1) Two-way speaker
2) Mounted on a tripod or suspended from a wall or ceiling using the
embedded nuts
3) Bass driver is protected with metallic grille
4) Models of the same cabinets can also be stacked
5) Rubber feet included for stacking
6) Speakon connections included
7) Enclosure: compact polypropylene cabinet, bar handles, steel grille, 35mm stand/pole mount, two flying points on top, rubber feet.