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Advance Comparison
Brand Name
Polk
Bowers & Wilkins
KEF
GENERAL:
Speaker Type
Bookshelf Speaker
Bookshelf Speaker
Bookshelf Speaker
Number Of Channels
2.0 way speaker
2.0 way speaker
2.0 way speaker
Amplification Type
Passive Speaker (External Amp)
Passive Speaker (External Amp)
Passive Speaker (External Amp)
Power Source
AC Powered
AC Powered
AC Powered
Control
Handheld Remote
N/A
N/A
N/A
Control by app
N/A
N/A
N/A
Amazon Alexa
N/A
N/A
N/A
Google Assistant
N/A
N/A
N/A
Specs
Power Range
30-200W
30W - 120W
15-120W
Sensitivity
86dB
84dB spl (2.83Vrms, 1m)
87 dB (2.83V, 1m)
Impedance
8Ω / 6Ω / 4Ω
8 ohms
8 ohms
Frequency Range
51Hz - 38kHz
52Hz - 28kHz ±3dB
63Hz-28kHz (±3dB)
Crossover Frequencies
3000
Full range signal
2.5kHz
Build Material
Enclosure
Ported
Ported
Ported
Finish
MDF
MDF
MDF
Color
Black / Walnut / White
Black, white, oak
black, white, walnut
Audio Quality ( Tested )
Bass Accuracy:
impressive and adequate bass
Clean and tight bass
Balanced and deep lows
Dialogue & Vocal Accuracy:
clearer voices
loud and clear vocals
Clear vocals
Treble Accuracy
High ends are clear and airy
Accurate and clear highs
Rich and accurate highs
Imaging & Soundstage:
imaging is excellent and it has immersive soundstage
Impressive imaging and soundstage
Wide and powerful imaging and soundstage
Dynamic Range:
Good dynamic range
It has good dynamic range and produce sound sound with clarity.
Good dynamic range
Power Handling:
Good power handling
The speaker has good power handling and is easy to drive.
Power handling is good.
Frequency Response:
Broad frequency response
Frequency response is good.
It has wide frequency response.
Transient Response:
Good transient response
It has smooth transient response.
Decent transient response
CONNECTIVITY:
Speaker Wire Input:
Yes
Yes
Yes
Speaker Level Input
N/A
N/A
N/A
Line Level Input
N/A
N/A
N/A
Digital Input (Optical)
N/A
N/A
N/A
Digital Input (Coaxial)
N/A
N/A
N/A
RCA Input
N/A
N/A
N/A
3.5mm Stereo Analog Input
N/A
N/A
N/A
Aux Input
N/A
N/A
N/A
Bi-amp Input:
N/A
Yes
N/A
HDMI Input
N/A
N/A
N/A
USB Port
N/A
N/A
N/A
Subwoofer Output
N/A
N/A
N/A
DRIVERS
Drive Unit
2x2
2x2
2x2
Tweeter Type
Pinnacle Ring Radiator
Aluminum dome high-frequency
aluminium dome
Tweeter Size (inches)
1
1
1
Midrange Size (inches)
N/A
N/A
N/A
Midrange Type
N/A
N/A
N/A
Woofer Size (inches)
6.5
5
6.5
Woofer Type
Turbine Cone
Continuum™ cone
aluminium Uni-Q
Other
Wireless Features
Bluetooth
N/A
N/A
N/A
Wi-Fi
N/A
N/A
N/A
Other
Size & Weight
Height (inches)
14.1
11.8
14.1
Width (inches)
7.5
6.5
8.3
Depth (inches)
13.9
10.4
12
Weight (pounds)
43.4lbs
10.4
16.8lbs
Recommended Stand Height (inches)
24-28
24-28
18-24
IN THE BOX
Accessories:
2 Bookshelf loudspeakers, 2 Grilles, Owner's Manual, Online Registration
2 Bookshelf speakers, 2 Grilles, 2 foam port plugs, 8 Self-adhesive rubber feet, 4 Jumper-straps, Manual, brochure, Warranty Information
2 Bookshelf speakers, Foam port plugs, rubber feet, Manual, Warranty Information
User manual:
Yes
Yes
Yes
Connector:
Connector Type
Nickel-plated 5-Way
Binding post
Gold plated binding post
Compatible Connector Types
bare wire, pin-connectors, spade-lugs, and banana-plugs (single only)
bare wire, pin connectors, spade connectors, or banana plugs
bare wire, pin-connectors, spade-lugs, and banana plugs (single only).
Speaker Wire Compatibility
16AWG
14-18 gauge
standard speaker wire
Where to Buy
Ebay
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Ali-Expess
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Wallmart
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