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Estimated price for Polk Audio DB 840 -
87€ - 90.3€
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Polk Audio DB 840
Rating: 0
Number of votes: 0
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Workmanship
Relevant cost
Serviceability
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Tech specifications and characteristics
General characteristics
Type: subwoofer;
Size: 20 cm (8 in.);
The number of bands: 1;
Power: 180 W (nominal), 380 watts (maximum);
Sensitivity: 85 dB;
Frequency range: 30 - 200 Hz;
Impedance: 4 Ohm;
Subwoofer
Housing: no;
WOOFER
Number of speakers: 1;
Dimensions: 200 mm;
Cone material: polypropylene;
Material suspension: Santoprene;
Mounting depth: 116 mm;
The installation hole: 179 mm;
Resonance frequency (Fs): 47 Hz;
Full q (Qts): 0.61;
Equivalent volume (Vas): 12 l;
Additionally
Features: moisture-proof design;
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Product photography
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