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Brand Name
Klipsch
Polk
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
Up to 85 watts
20 watts → 100 watts
Sensitivity
93 dB
88dB
Impedance
8 ohms
8 ohms
Frequency Range
62-21k Hz
48 Hz → 40,000 Hz
Crossover Frequencies
1660Hz
2500 Hz
Build Material
Enclosure
Bass-Reflex
Ported
Finish
MDF/Wood-grain vinyl
MDF
Color
Black
Black, white, brown
Audio Quality ( Tested )
Bass Accuracy:
Offer sufficient depth and impact without overpowering the other frequencies.
Low ends are deep and tight. Bass heads might need a subwoofer
Dialogue & Vocal Accuracy:
Voices are rendered with precision, resulting in an immersive and engaging listening experience
Voices are intelligible
Treble Accuracy
They strike a balance between crispness and smoothness, ensuring a pleasant listening experience without harshness or sibilance.
Highs are crisp, clear and detailed.
Imaging & Soundstage:
Offer a commendable imaging capability, allowing sound sources to be well-defined and accurately placed.
Good and accurate imaging
Dynamic Range:
Speakers exhibit a wide dynamic range, effortlessly handling both soft and powerful audio passages.
It has decent dynamic range
Power Handling:
They efficiently utilize power inputs, making them suitable for various listening environments.
Decent power handling
Frequency Response:
From the low-end to the high-end, they maintain clarity and fidelity, ensuring a well-rounded audio performance across different genres.
Broad frequency response
Transient Response:
The Klipsch R-51M speakers exhibit excellent transient response, capturing the quick and precise changes in audio signals.
Good 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
Tractrix Horn
Terylene High-Res Dome Tweeter
Tweeter Size (inches)
1-inch
1
Midrange Size (inches)
N/A
N/A
Midrange Type
N/A
N/A
Woofer Size (inches)
5.25-inch
5.25
Woofer Type
Copper-spun IMG Surrounded by Rubber
Dynamic Balance Mica Reinforced Polypropylene Driver
Other
Wireless Features
Bluetooth
N/A
N/A
Wi-Fi
N/A
N/A
Other
Size & Weight
Height (inches)
338.0mm ( 13.3-inch)
12
Width (inches)
178.0mm ( 7.0-inch)
7.5
Depth (inches)
215.0mm ( 8.4-inch)
10.2
Weight (pounds)
5.00kg ( 11.00 lbs.)
13lbs
Recommended Stand Height (inches)
24-28 inch
24-28
IN THE BOX
Accessories:
Pair of speakers,2 Grilles (installed),8 Self-adhesive rubber feet, Setup Guide.
1 pair of Bookshelf loudspeakers, 2 Grille, 8 Self-adhesive rubber feet, Wall-mount template, Owner's Manual, Online Product Registration
User manual:
Yes
Yes
Connector:
Connector Type
Gold-plated binding posts
Single gold-plated 5-way binding posts
Compatible Connector Types
banana plugs
bare wire, pin-connectors, spade-connectors, and banana plugs (single or dual).
Speaker Wire Compatibility
10AWG
10AWG
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