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Advance Comparison
Model
Brand Name
KEF
Polk
Monitor Audio
GENERAL:
Speaker Type
Bookshelf Speaker
Bookshelf Speaker
Bookshelf Speaker
Number Of Channels
3.0 speaker system
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
15-180W
30-200 watts
40 - 120 W
Sensitivity
87 dB (2.83V, 1m)
85.5 dB SPL@2.83V
87.5 dB
Impedance
8 ohms
4 Ω(3.0Ω min.)
8 ohms
Frequency Range
58Hz - 28kHz
46Hz-38kHz
35 Hz - 35 kHz
Crossover Frequencies
400Hz, 2.9kHz
2.6kHz
2.3kHz
Build Material
Enclosure
Bass Reflex
Ported
Ported
Finish
MDF
MDF
MDF
Color
Black Gloss / White Gloss / Walnut
Brown Walnut / Black Ash
Satin White, High Gloss Black,
Audio Quality ( Tested )
Bass Accuracy:
Deeper and tighter bass with good accuracy
Good bass extension
Deeper and punchier low ends
Dialogue & Vocal Accuracy:
Clear and loud vocals
clearer vocals
Clear and loud voices
Treble Accuracy
Rich and accurate highs
crisp and detailed highs
Well defined and rich highs
Imaging & Soundstage:
Great imaging and powerful soundfield
impressive imaging and outstanding soundstage
Impressive imaging and soundstage
Dynamic Range:
It has decent dynamic range
wide dynamic range
It has decent dynamic range
Power Handling:
Good power handling
Good power handling
Good power handling
Frequency Response:
Broad frequency response
Wide frequency response that can get as low as 46Hz
Frequency response is good.
Transient Response:
Decent transient response
Decent transient response that allows to produce music with accuracy
Smooth 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:
Yes
Yes
Yes
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
3
2x2
2x2
Tweeter Type
vented aluminum dome
Ring Radiator
C-CAM Gold Dome tweeter with UD Waveguide II
Tweeter Size (inches)
1
1
1
Midrange Size (inches)
5
N/A
N/A
Midrange Type
aluminum cone
N/A
N/A
Woofer Size (inches)
6.5
6.5
8
Woofer Type
hybrid aluminum
Turbine Cone
C-CAM RST II
Other
Wireless Features
Bluetooth
N/A
N/A
N/A
Wi-Fi
N/A
N/A
N/A
Other
Size & Weight
Height (inches)
16.6
15.66
14.8
Width (inches)
7.9
8.33
9.1
Depth (inches)
13.2
13.30
13.1
Weight (pounds)
29.8lbs
22 lbs
20.75
Recommended Stand Height (inches)
18-24
22-26
22-26
IN THE BOX
Accessories:
A pair of KEF R3 speaker, User Manual, Information Sheet, Brochure, Microfibre Grille
Bookshelf loudspeakers, 2 Grilles, 4 Jumper-wires, Cleaning cloth, Owner's Manual, Online Registration
A pair of Bookshelf speakers, 2 Grilles, 4 Jumpers, 8 Rubber feet, 2 Foam port plugs, Manual, Safety Instructions
User manual:
Yes
Yes
Yes
Connector:
Connector Type
Binding post
Binding post
Gold plated binding post
Compatible Connector Types
standard speaker wire
bare wire, banana plugs (single only), pin-connectors, spade-lugs
bare wire, pin connectors, spade-lugs, & banana plugs
Speaker Wire Compatibility
standard speaker wire
10-16AWG
Not specified
Where to Buy
Ebay
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Ali-Expess
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Wallmart
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