Car subwoofer Polk Audio DB 840 DVC

Brand: Polk Audio
Description: Subwoofer car subwoofer car subwoofers 20 cm 8 inch.
Type: Subwoofer
Frame: No
Dimensions: 203 mm
Power: 360 W maximum
Number of lanes: 1
Frequency response: 30 - 200 Hz
Size: 20 cm 8 in.
Impedance: 4 ohm
Sensitivity: 85 dB
Installation depth: 116 mm
Winding type: Double
Number of speakers: 1
Resonant frequency Fs: 51 Hz
Equivalent volume Vas: 11 l
Diffuser material: Polymer-composite materials
Suspension material: Butyl rubber
Total quality factor Qts: 0.7
Recommended Enclosure: Closed box, bass reflex, band pass