Car subwoofer Polk Audio DB 840

Brand: Polk Audio
Description: Subwoofer car subwoofer car subwoofers 20 cm 8 inch.
Peculiarities: Moisture resistant design
Type: Subwoofer
Frame: No
Dimensions: 200 mm
Power: 380 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
Number of speakers: 1
Mounting hole: 179 mm
Resonant frequency Fs: 47 Hz
Equivalent volume Vas: 12 l
Diffuser material: Polypropylene
Suspension material: Santoprene
Total quality factor Qts: 0.61