SpeakerDecision
  • SPEAKERS by TYPE
    • Passive Bookshelf Speakers
    • Passive Floor-standing Speakers
    • Passive Center Channel Speakers
    • Passive In-wall Speakers
    • All Passive Speakers
    • Powered Subwoofers
    • Powered Stereo Speakers
  • AMPLIFIERS
  • SMART FIND
Revel Performa3 B112v2 vs Klipsch Reference R-121SW Comparison
x
Subwoofer to replace
Change

Revel Performa3 B112v2

Powered Subwoofer | 29-150 Hz

Revel Performa3 B112v2
CHECK PRICE
Change
    
Klipsch R-121SW

Powered Subwoofer | 28-120 Hz

Klipsch Reference R-121SW
CHECK PRICE
Revel Performa3 B112v2 Revel Performa3 B112...
See at AMAZON
Klipsch R-121SW Klipsch R-121SW
See at AMAZON
Revel Performa3 B112...
See at AMAZON
Klipsch R-121SW
See at AMAZON
Revel Performa3 B112v2 vs Klipsch R-121SW Speaker Comparison

In this review, we will be comparing Performa3 B112v2 and R-121SW, two Powered Subwoofer speakers from Revel 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 Revel Performa3 B112v2 and Klipsch R-121SW first before getting into our more detailed comparison.

Revel Performa3 B112v2 Key Specs

  • 12" Coated Paper/Pulp Woofer
  • 29-150 Hz Frequency Response
  • 1000 watts Max Amplifier Output
  • Weight:29.45kg
  • Dimensions (H x W x D): 469.0" x 15-15/16" x 18-9/16"( 469.0 x 405.0 x 472.0mm )

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 )

In the following sections, we will get into details in order to better understand how the Revel Performa3 B112v2 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.Revel Performa3 B112v2and Klipsch R-121SW have the same driver set up: Both subwoofers have 1 x 12" drivers.

Frequency Response

Performa3 B112v2 has a frequency range of 29-150 Hz whereas R-121SW has a frequency range of 28-120 Hz. With a minimum frequency of 28Hz, the R-121SW can go slightly deeper then the Performa3 B112v2's min frequency of 29Hz.

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

Revel Performa3 B112v2
Klipsch R-121SW
Min
Average
Max
High Frequency

Subwoofer Speakers

Revel Performa3 B112v2
Klipsch R-121SW
Min
Average
Max

Cabinet Type

The Revel Performa3 B112v2 has a Acoustic Suspension type cabinet. Acoustic Suspension aka Sealed type subwoofers have enclosures that are sealed hence no ports or holes exists on the cabinet. Sealed designs helps to provide more accurate and tight bass responses compared to ported designs. On the other hand the Klipsch R-121SW have Bass Reflex type enclosure. 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 Revel Performa3 B112v2's and Klipsch R-121SW's external dimensions. Revel Performa3 B112v2 has external dimensions of 469.0 x 405.0 x 472.0mm ( 18-7/16inch x 15-15/16inch x 18-9/16inch ) 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 ) .

Revel Performa3 B112v2 is 2mm narrower and 60mm less deeper than Klipsch R-121SW but it is also 46mm taller.

Below you can see the front view size comparison of Revel Performa3 B112v2 and Klipsch R-121SW in scale.

Revel Performa3 B112v2 vs Klipsch R-121SW Size Comparison - Front View
Comparison image of Revel Performa3 B112v2 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 Revel Performa3 B112v2 is approximately 1911.6cm2 / 296.3inch2 and base area of the Klipsch R-121SW is approximately 2165.2cm2 / 335.6inch2. The Performa3 B112v2 requires 12% 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 Revel Performa3 B112v2 weighs 29.45kg / 64.8lbs and the Klipsch R-121SW weighs 16.00kg / 35.2lbs. This makes the Performa3 B112v2 84% heavier than the R-121SW.

Here is a comparison of how Performa3 B112v2 and R-121SW's weights compare with the average, max and min weights in Powered Subwoofer class.

Weight
All Subwoofer Speakers
Revel Performa3 B112v2
Klipsch R-121SW
Min
Average
Max

What's in the Box of Revel Performa3 B112v2?

Here are the items that are included inside the box of Performa3 B112v2:
  • Powered subwoofer
  • 6-feet AC power cord
  • Grille
  • 4 Spike feet
  • Owners Manual
  • 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 Revel Performa3 B112v2 over Klipsch Reference R-121SW
    High Frequency Response 150k Hz vs 120k Hz Generates higher frequency
    Base Surface Area 1911cm2 vs 2165cm2 Takes less floor space
    Reasons to choose Klipsch Reference R-121SW over Revel Performa3 B112v2
    Low Frequency Response 28 Hz vs 29 Hz Generates deeper bass
    Height 423mm vs 469mm Easier to fit in smaller spaces
    Price per pair* 599USD vs 2695USD costs less (*prices may change depending on the seller, location and time)
    Revel Performa3 B112v2 vs Klipsch R-121SW Specs Table
    Detailed comparison of specifications
    General Revel Performa3 B112v2 Klipsch Reference R-121SW
    Brand Revel Klipsch
    Speaker Type Powered Subwoofer Powered Subwoofer
    Max Amplifier Output 1000 watts 200 watts
    Frequency Response 29-150 Hz 28-120 Hz
    Amplifier
    Watts RMS (Continuous) 1000-watt RMS 200-watt RMS
    Drivers
    Woofer Quantity 1 1
    Woofer Size 12" 12"
    Woofer Composition Coated Paper/Pulp Spun-Copper TCP
    Tweeter Size - -
    Aimable Tweeter No No
    Midrange Driver No No
    Firing Direction front front
    Physical Specs
    Height 469.0mm (18.5") 423.0mm (16.7")
    Width 405.0mm (15.9") 407.0mm (16")
    Depth 472.0mm (18.6") 532.0mm (20.9")
    Weight 29.45kg (64.8lbs) 16.00kg (35.2lbs)
    Enclosure Acoustic Suspension Bass Reflex
    Grille Yes Yes
    Moisture Resistancy No No
    Connections
    Other
    Parts Warranty 5 Years 2 Years
    Labor Warranty 5 Years 2 Years

    Latest Powered Subwoofers
    Polk Signature Elite ES12
    Polk Signature Elite ES12
    12-inch Woofer | 22-250 Hz | 300 watts
    Polk Signature Elite ES10
    Polk Signature Elite ES10
    10-inch Woofer | 28-250 Hz | 200 watts
    Polk Signature Elite ES8
    Polk Signature Elite ES8
    8-inch Woofer | 32-180 Hz | 100 watts
    JBL Stage 220P
    JBL Stage 220P
    12-inch Woofer | 29-150 Hz | 250 watts
    JBL Stage 200P
    JBL Stage 200P
    10-inch Woofer | 32-150 Hz | 150 watts
    KEF KC92
    KEF KC92
    9-inch Woofer | 11-200 Hz | 1000 watts
    KEF Kube 15 MIE
    KEF Kube 15 MIE
    15-inch Woofer | 20-140 Hz | 300 watts
    KEF Kube 12 MIE
    KEF Kube 12 MIE
    12-inch Woofer | 22-140 Hz | 300 watts
    KEF Kube 10 MIE
    KEF Kube 10 MIE
    10-inch Woofer | 20-140 Hz | 300 watts
    KEF Kube 8 MIE
    KEF Kube 8 MIE
    8-inch Woofer | 34-140 Hz | 300 watts

    Copyright © 2025 by SpeakerDecision
    About Privacy Contact US Camera Decision

    Report a Correction