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Advance Comparison
Brand Name
Polk
KEF
GENERAL:
Speaker Type
Bookshelf Speaker
Bookshelf Speaker
Number Of Channels
2.0 way speaker
2.0 way speaker
Amplification Type
Passive Speaker (External Amp)
Passive Speaker (External Amp)
Power Source
AC Powered
AC Powered
Control
Handheld Remote
N/A
N/A
Control by app
N/A
N/A
Amazon Alexa
N/A
N/A
Google Assistant
N/A
N/A
Specs
Power Range
20 watts → 100 watts
10-100W
Sensitivity
88dB
86dB (2.83V/1m)
Impedance
8 ohms
8 ohms
Frequency Range
48 Hz → 40,000 Hz
51Hz-28kHz (±3dB)
Crossover Frequencies
2500 Hz
2.5kHz
Build Material
Enclosure
Ported
Ported
Finish
MDF
MDF
Color
Black, white, brown
Satin Black / Satin White
Audio Quality ( Tested )
Bass Accuracy:
Low ends are deep and tight. Bass heads might need a subwoofer
The lows are deep, tight and adequate for small spaces
Dialogue & Vocal Accuracy:
Voices are intelligible
Loud and understandable vocals
Treble Accuracy
Highs are crisp, clear and detailed.
Rich and widely-dispersed highs
Imaging & Soundstage:
Good and accurate imaging
Great imaging and powerful soundstage
Dynamic Range:
It has decent dynamic range
Good dynamic range
Power Handling:
Decent power handling
Decent power handling
Frequency Response:
Broad frequency response
It has wide frequency response.
Transient Response:
Good transient response
It has quick transient response.
CONNECTIVITY:
Speaker Wire Input:
Yes
Yes
Speaker Level Input
N/A
N/A
Line Level Input
N/A
N/A
Digital Input (Optical)
N/A
N/A
Digital Input (Coaxial)
N/A
N/A
RCA Input
N/A
N/A
3.5mm Stereo Analog Input
N/A
N/A
Aux Input
N/A
N/A
Bi-amp Input:
N/A
N/A
HDMI Input
N/A
N/A
USB Port
N/A
N/A
Subwoofer Output
N/A
N/A
DRIVERS
Drive Unit
2x2
2x2
Tweeter Type
Terylene High-Res Dome Tweeter
aluminium dome
Tweeter Size (inches)
1
1
Midrange Size (inches)
N/A
N/A
Midrange Type
N/A
N/A
Woofer Size (inches)
5.25
5.25
Woofer Type
Dynamic Balance Mica Reinforced Polypropylene Driver
aluminium Uni-Q
Other
Wireless Features
Bluetooth
N/A
N/A
Wi-Fi
N/A
N/A
Other
Size & Weight
Height (inches)
12
12
Width (inches)
7.5
7.1
Depth (inches)
10.2
10.9
Weight (pounds)
13lbs
12.3lbs
Recommended Stand Height (inches)
24-28
18-24
IN THE BOX
Accessories:
1 pair of Bookshelf loudspeakers, 2 Grille, 8 Self-adhesive rubber feet, Wall-mount template, Owner's Manual, Online Product Registration
A pair of Bookshelf speakers, 2 Foam port plugs, rubber feet, Manual, Warranty Information
User manual:
Yes
Yes
Connector:
Connector Type
Single gold-plated 5-way binding posts
Gold plated binding post
Compatible Connector Types
bare wire, pin-connectors, spade-connectors, and banana plugs (single or dual).
bare wire, pin-connectors, spade-lugs, and banana plugs
Speaker Wire Compatibility
10AWG
12 gauge
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