The can be used to car audio system/subwoofer speaker. High efficiency and  wide frequency, give you a perfect in-car entertainment.

Feature:
High efficiency, wide frequency, voltage.
Strong heat dissipation drawing technology is compact.
1000W car audio board gives you a in-car entertainment.
With current conservation, overload conservation, short circuit conservation.

Specifications:
Material: metal +electronic
Colour: Black
Voltage:
Maximum : 1000W
Impedance: 4
THD: Less than 0.1%
Frequency Response: 20Hz~250KHz
Signal to noise ratio: 89db
Size: 213 * 170mm / 8.4 * 6.7in
Weight: 700g / 1.54lb
Package size: 250 * 200 * 100mm / 9.8 * 7.9 * 3.9in
Package weight: 850g / 1.87lb

Package List: K13642
1 * Car Audio Board