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REL Classic 99 vs Klipsch Reference R-101SW Comparison
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Subwoofer to replace
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REL Classic 99

Powered Subwoofer | 24-120 Hz

REL Classic 99
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Klipsch R-101SW

Powered Subwoofer | 29.5-160 Hz

Klipsch Reference R-101SW
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REL Classic 99 REL Classic 99
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Klipsch R-101SW Klipsch R-101SW
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REL Classic 99
See at AMAZON
Klipsch R-101SW
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REL Classic 99 vs Klipsch R-101SW Speaker Comparison

In this review, we will be comparing Classic 99 and R-101SW, two Powered Subwoofer speakers from REL and Klipsch. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of REL Classic 99 and Klipsch R-101SW first before getting into our more detailed comparison.

REL Classic 99 Key Specs

  • 12" Woofer
  • 24-120 Hz Frequency Response
  • Weight:kg
  • Dimensions (H x W x D): " x 15-3/4" x 15-5/8"

Klipsch R-101SW Key Specs

  • 10" Spun-Copper TCP Woofer
  • 29.5-160 Hz Frequency Response
  • 150 watts Max Amplifier Output
  • Weight:13.91kg
  • Dimensions (H x W x D): 370.0" x 14-1/16" x 20-13/16"( 370.0 x 358.0 x 529.0mm )

In the following sections, we will get into details in order to better understand how the REL Classic 99 and Klipsch R-101SW compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Drivers

The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.REL Classic 99 and Klipsch R-101SW have a totally different setup: the REL Classic 99 features x 12-inch drivers whereas the R-101SW features 1 x 10-inch drivers.

Frequency Response

Classic 99 has a frequency range of 24-120 Hz whereas R-101SW has a frequency range of 29.5-160 Hz. With a minimum frequency of 24Hz, the Classic 99 can go significantly deeper on the low side and provide stronger bass compared to the R-101SW's min frequency of 30Hz.

Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Subwoofer class in our database.

Low Frequency

Subwoofer Speakers

REL Classic 99
Klipsch R-101SW
Min
Average
Max
High Frequency

Subwoofer Speakers

REL Classic 99
Klipsch R-101SW
Min
Average
Max

Physical Specs

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare REL Classic 99's and Klipsch R-101SW's external dimensions. REL Classic 99 has external dimensions of ( ) whereas Klipsch R-101SW has external dimensions of 370.0 x 358.0 x 529.0mm ( 14-9/16inch x 14-1/16inch x 20-13/16inch ) .

Klipsch R-101SW is clearly the larger of the two speakers. Its body is 358mm wider, 370mm taller and 529mm deeper than REL Classic 99.


Reasons to choose REL Classic 99 over Klipsch Reference R-101SW
Woofer Size 12 inches vs 10 inches Larger woofer
Low Frequency Response 24 Hz vs 30 Hz Generates deeper bass
Height 0mm vs 370mm Easier to fit in smaller spaces
Base Surface Area 0cm2 vs 1893cm2 Takes less floor space
Reasons to choose Klipsch Reference R-101SW over REL Classic 99
Driver Setup 1-way vs -way Have a dedicated mid-range driver
High Frequency Response 160k Hz vs 120k Hz Generates higher frequency
REL Classic 99 vs Klipsch R-101SW Specs Table
Detailed comparison of specifications
General REL Classic 99 Klipsch Reference R-101SW
Brand REL Klipsch
Speaker Type Powered Subwoofer Powered Subwoofer
Frequency Response 24-120 Hz 29.5-160 Hz
Amplifier
Watts RMS (Continuous) n/a 150-watt RMS
Drivers
Woofer Quantity 1
Woofer Size 12" 10"
Woofer Composition Spun-Copper TCP
Tweeter Size - -
Aimable Tweeter No No
Midrange Driver No No
Firing Direction n/a front
Physical Specs
Height mm (0") 370.0mm (14.6")
Width mm (0") 358.0mm (14.1")
Depth mm (0") 529.0mm (20.8")
Weight n/a 13.91kg (30.6lbs)
Enclosure Bass Reflex
Grille n/a Yes
Moisture Resistancy No No
Connections
Other
Parts Warranty 3 Years 2 Years
Labor Warranty 3 Years 2 Years

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