Need help deciding?

Get an expert recommendation via via email or call an Advisor at 1.888.955.6000

Polk Audio db840DVC vs HELIX Competition C6B

Tell us what you drive. We'll show you what fits.

Select your car

Find what fits your car

 
Polk Audio db840DVC

In Stock

(36)

$79.99
Add to Cart
HELIX Competition C6B

DISCONTINUED

$349.99
Hide similar features
Condition New StockNew Stock
Size
Loading...
8 -inch6 3/4 -inch
Impedance
Loading...
4 ohms4 ohms
Cone Material
Loading...
PolypropyleneSisal
Surround Material
Loading...
Santoprene rubberRubber
Ideal Sealed Box Volume (cubic feet)
Loading...
0.35N/A
Ideal Ported Box Volume (cubic feet)
Loading...
0.6N/A
Port diameter (inches)
Loading...
3N/A
Port length (inches)
Loading...
11N/A
Free-Air
Loading...
NoYes
Dual Voice Coil
Loading...
YesNo
Sensitivity
Loading...
85 dB at 1 watt
91 dB at 1 watt
Frequency Response
Loading...
30 - 200 Hz47 - 5000 Hz
RMS Power Range (Watts)
Loading...
50-18010-150
Peak Power Handling (Watts)
Loading...
360300
Top Mount Depth (inches)
Loading...
42 5/8
Bottom Mount Depth (inches)
Loading...
4 3/82 13/16
Cutout Diameter or Length (inches)
Loading...
7 1/165 5/8
Vas (liters)
Loading...
15.80
Fs (Hz)
Loading...
4356
Qts
Loading...
0.590
Xmax (millimeters)
Loading...
6.10
Parts Warranty
Loading...
1 Year2 Years
Labor Warranty
Loading...
1 Year2 Years
  Owner's Manual
 Hands-on ResearchHands-on Research

Need help deciding?

Get an expert recommendation via via email or call an Advisor at 1.888.955.6000