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Klipsch Reference R-112SW vs Klipsch Reference R-121SW Comparison
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Klipsch R-112SW

Powered Subwoofer | 24-125 Hz

Klipsch Reference R-112SW
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Klipsch R-121SW

Powered Subwoofer | 28-120 Hz

Klipsch Reference R-121SW
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Klipsch R-112SW Klipsch R-112SW
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Klipsch R-121SW Klipsch R-121SW
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Klipsch R-112SW
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Klipsch R-121SW
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Klipsch R-112SW vs Klipsch R-121SW Speaker Comparison

In this review, we will be comparing R-112SW and R-121SW, two Powered Subwoofer speakers by 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 Klipsch R-112SW and Klipsch R-121SW first before getting into our more detailed comparison.

Klipsch R-112SW Key Specs

  • 12" Cerametallic Woofer
  • 24-125 Hz Frequency Response
  • 300 watts Max Amplifier Output
  • Weight:22.16kg
  • Dimensions (H x W x D): 442.0" x 15-3/8" x 20-15/16"( 442.0 x 391.0 x 532.0mm )

Klipsch R-121SW Key Specs

  • 12" Spun-Copper TCP Woofer
  • 28-120 Hz Frequency Response
  • 200 watts Max Amplifier Output
  • Weight:16.00kg
  • Dimensions (H x W x D): 423.0" x 16" x 20-15/16"( 423.0 x 407.0 x 532.0mm )

R-112SW and R-121SW are members of Klipsch's Reference (R) Subwoofer series of subwoofers. Below you can find other subs from this series.

Klipsch Reference (R) Subwoofer Series Subwoofers History
Model Frequency Woofer Amp Power
Klipsch R-101SW
  
30-160k Hz 10" 150 watts
Klipsch R-121SW
28-120k Hz 12" 200 watts
Klipsch R-112SW
24-125k Hz 12" 300 watts
Klipsch R-8SW
  
38-120k Hz 8" 50 watts
Klipsch R-10SWi
  
32-120k Hz 10" 150 watts

In the following sections, we will get into details in order to better understand how the Klipsch R-112SW and Klipsch R-121SW 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.Klipsch R-112SWand Klipsch R-121SW have the same driver set up: Both subwoofers have 1 x 12" drivers.

Frequency Response

R-112SW has a frequency range of 24-125 Hz whereas R-121SW has a frequency range of 28-120 Hz. With a minimum frequency of 24Hz, the R-112SW can go slightly deeper then the R-121SW's min frequency of 28Hz.

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

Klipsch R-112SW
Klipsch R-121SW
Min
Average
Max
High Frequency

Subwoofer Speakers

Klipsch R-112SW
Klipsch R-121SW
Min
Average
Max

Cabinet Type

Both Klipsch R-112SW and Klipsch R-121SW have Bass Reflex type cabinets. Bass Reflex type subwoofers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.

Klipsch R-121SW  Port
Klipsch R-121SW Port

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 Klipsch R-112SW's and Klipsch R-121SW's external dimensions. Klipsch R-112SW has external dimensions of 442.0 x 391.0 x 532.0mm ( 17-3/8 x 15-3/8 x 20-15/16inch) whereas Klipsch R-121SW has external dimensions of 423.0 x 407.0 x 532.0mm ( 16-5/8inch x 16inch x 20-15/16inch ) .

Below you can see the front view size comparison of Klipsch R-112SW and Klipsch R-121SW in scale.

Klipsch R-112SW vs Klipsch R-121SW Size Comparison - Front View
Comparison image of Klipsch R-112SW and Klipsch R-121SW Size and External Dimensions

Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base surface area of the Klipsch R-112SW is approximately 2080.1cm2 / 322.4inch2 and base area of the Klipsch R-121SW is approximately 2165.2cm2 / 335.6inch2. The R-112SW requires 4% less surface area than the R-121SW which gives it a small advantage on placement in tight spaces.

Weight Comparison

The weight of a subwoofer may become an important factor if you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. The Klipsch R-112SW weighs 22.16kg / 48.8lbs and the Klipsch R-121SW weighs 16.00kg / 35.2lbs. This makes the R-112SW 39% heavier than the R-121SW.

Here is a comparison of how R-112SW and R-121SW's weights compare with the average, max and min weights in Powered Subwoofer class.

Weight
All Subwoofer Speakers
Klipsch R-112SW
Klipsch R-121SW
Min
Average
Max

What's in the Box of Klipsch R-112SW?

Here are the items that are included inside the box of R-112SW:
  • Powered subwoofer
  • Grille
  • 8.5-feet AC power cord
  • User Manual
  • Important Safety Instructions
  • Warranty Information
  • What's in the Box of Klipsch R-121SW?

    Here are the items that come with the R-121SW:
  • Powered subwoofer
  • Grille
  • 6.5-feet AC power cord
  • User Manual
  • Important Safety Instructions
  • Warranty Information

  • Reasons to choose Klipsch Reference R-112SW over Klipsch Reference R-121SW
    Low Frequency Response 24 Hz vs 28 Hz Generates deeper bass
    High Frequency Response 125k Hz vs 120k Hz Generates higher frequency
    Base Surface Area 2080cm2 vs 2165cm2 Takes less floor space
    Price per pair* 399USD vs 599USD costs less (*prices may change depending on the seller, location and time)
    Wireless Operation Optional vs No Connect your subwoofer to your system wireless
    Reasons to choose Klipsch Reference R-121SW over Klipsch Reference R-112SW
    Klipsch R-112SW vs Klipsch R-121SW Specs Table
    Detailed comparison of specifications
    General Klipsch Reference R-112SW Klipsch Reference R-121SW
    Brand Klipsch Klipsch
    Speaker Type Powered Subwoofer Powered Subwoofer
    Max Amplifier Output 300 watts 200 watts
    Frequency Response 24-125 Hz 28-120 Hz
    Amplifier
    Watts RMS (Continuous) 300-watt RMS 200-watt RMS
    Drivers
    Woofer Quantity 1 1
    Woofer Size 12" 12"
    Woofer Composition Cerametallic Spun-Copper TCP
    Tweeter Size - -
    Aimable Tweeter No No
    Midrange Driver No No
    Firing Direction front front
    Physical Specs
    Height 423.0mm (16.7") 423.0mm (16.7")
    Width 391.0mm (15.4") 407.0mm (16")
    Depth 532.0mm (20.9") 532.0mm (20.9")
    Weight 22.16kg (48.8lbs) 16.00kg (35.2lbs)
    Enclosure Bass Reflex Bass Reflex
    Grille Yes Yes
    Moisture Resistancy No No
    Connections
    Other
    Parts Warranty 2 Years 2 Years
    Labor Warranty 2 Years 2 Years

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