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Model
Brand Name
Klipsch
Audioengine
Klipsch
GENERAL:
Speaker Type
Floor standing 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)
Active Speaker (Built-in 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
Up to 150 watts
60 W peak power total (15 W RMS)
Up to 85 watts
Sensitivity
98 dB
83dB(B)/V/m
93 dB
Impedance
8 ohms
10K ohms unbalanced
8 ohms
Frequency Range
32-25k Hz
65 Hz-22 kHz ±2.0 dB
62-21k Hz
Crossover Frequencies
1750Hz
100Hz
1660Hz
Build Material
Enclosure
Bass Reflex
high-resin MDF
Bass-Reflex
Finish
MDF/Wood-grain vinyl
high-gloss
MDF/Wood-grain vinyl
Color
Walnut and Black;
black, red, white
Black
Audio Quality ( Tested )
Bass Accuracy:
Precise and impactful bass reproduction;
Low ends are clean and deep. It packs a punch compared to its compact size.
Offer sufficient depth and impact without overpowering the other frequencies.
Dialogue & Vocal Accuracy:
Competes favorably, conveying every word and nuance accurately;
Clarity is excellent, vocals are loud and intelligible.
Voices are rendered with precision, resulting in an immersive and engaging listening experience
Treble Accuracy
Captures intricate details and harmonics in the high-frequency range;
High-ends are quite good but might sound a bit harsh.
They strike a balance between crispness and smoothness, ensuring a pleasant listening experience without harshness or sibilance.
Imaging & Soundstage:
Creates a wide and spacious audio presentation with precise instrument and vocal placement;
Imaging is decent and soundstage is wide.
Offer a commendable imaging capability, allowing sound sources to be well-defined and accurately placed.
Dynamic Range:
Handles soft and loud passages with finesse;
Dynamic range is quite good. The speaker sounds good at all volumes
Speakers exhibit a wide dynamic range, effortlessly handling both soft and powerful audio passages.
Power Handling:
Effortlessly handles power for clean and distortion-free sound at various volume levels;
A total power of 60W makes the speaker versatile for all content types.
They efficiently utilize power inputs, making them suitable for various listening environments.
Frequency Response:
Delivers a well-balanced frequency response across the audible spectrum;
The speaker has flat frequency response. It produces sound with accuracy.
From the low-end to the high-end, they maintain clarity and fidelity, ensuring a well-rounded audio performance across different genres.
Transient Response:
Exhibits excellent transient response, capturing fast and dynamic changes in music with precision;
It has quick transient response.
The Klipsch R-51M speakers exhibit excellent transient response, capturing the quick and precise changes in audio signals.
CONNECTIVITY:
Speaker Wire Input:
Yes
Yes
Yes
Speaker Level Input
N/A
N/A
N/A
Line Level Input
N/A
Yes
N/A
Digital Input (Optical)
N/A
Yes
N/A
Digital Input (Coaxial)
N/A
N/A
N/A
RCA Input
N/A
Yes
N/A
3.5mm Stereo Analog Input
N/A
Yes
N/A
Aux Input
N/A
N/A
N/A
Bi-amp Input:
Yes
N/A
HDMI Input
N/A
N/A
N/A
USB Port
N/A
Yes
N/A
Subwoofer Output
N/A
Yes
N/A
DRIVERS
Drive Unit
3
2x2
2x2
Tweeter Type
Titanium LTS tweeter
Silk dome tweeters
Tractrix Horn
Tweeter Size (inches)
1.0-inch
0.75“
1-inch
Midrange Size (inches)
N/A
N/A
Midrange Type
N/A
N/A
Woofer Size (inches)
Dual 8-inch
2.75”
5.25-inch
Woofer Type
Cerametallic Cone
aramid fiber woofers
Copper-spun IMG Surrounded by Rubber
Other
Wireless Features
Bluetooth
N/A
Yes
N/A
Wi-Fi
N/A
N/A
N/A
Other
Size & Weight
Height (inches)
43.125 inches
10.5”
338.0mm ( 13.3-inch)
Width (inches)
10.5 inches
7”
178.0mm ( 7.0-inch)
Depth (inches)
16.375 inches
15”
215.0mm ( 8.4-inch)
Weight (pounds)
62.5 lbs (28.35 kg)
10 lbs
5.00kg ( 11.00 lbs.)
Recommended Stand Height (inches)
N/A
1.75
24-28 inch
IN THE BOX
Accessories:
Floorstanding loudspeaker, Speaker base, 4 Spike feet,6 Rubber feet, Magnetic grille
Pair of Audioengine A2+ speakers, 6.5-foot speaker cable, power supply and cable, USB cable, 5-foot mini-jack audio cable, microfiber speaker and cable bags, manual
Pair of speakers,2 Grilles (installed),8 Self-adhesive rubber feet, Setup Guide.
User manual:
Yes
Yes
Yes
Connector:
Connector Type
Dual binding posts / bi-wire / bi-amp
gold plated connectors
Gold-plated binding posts
Compatible Connector Types
banana plugs (single only), pin-connectors, spade-connectors, and bare wire.
banana plugs, spades, or bare wire
banana plugs
Speaker Wire Compatibility
16-12 gauge
16 AWG speaker wire
10AWG
Where to Buy
Ebay
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Ali-Expess
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Wallmart
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