good price 21" driver ,4" voice coil

Products specification
Model no.: SD-21006A
Size:21"
Rated Power: 1200W
Peak Power:2400W
Impedance:8 Ohm
DC Impedance: 5.4 Ohm
Sensitivity:97dB
Frequency Response:28hz-2khz
Voice Coil Diameter: 4 Inch
Voice Coil Wire Material: Copper
Bobbin Material: Fiber Glass
Voice Coil Layers: inside and outside each 1 layer
Dampers: one
Cone: Paper
Magnet Size:123 OZ

Mounting Detail:
Outer diameter:544mm/21"
Hole Cut Out diameter:504mm/19.84"
Depth:238mm/9.37"


Packing Information:
1pc one carton,Website:http://www.soundsingpro.com, brown inner and outer box
Carton Size: 58*58*
good price 21" driver ,4" voice coil