In this review, we will be comparing Defiance V12 and R-121SW, two Powered Subwoofer speakers from Paradigm 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 Paradigm Defiance V12 and Klipsch R-121SW first before getting into our more detailed comparison.
The sections below take each area in turn: driver and amplifier, frequency response, physical size and connectivity.
Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Paradigm Defiance V12and Klipsch R-121SW have the same driver set up: Both subwoofers have 1 x 12" drivers.
Frequency Response
Defiance V12 has a frequency range of 23-200 Hz whereas R-121SW has a frequency range of 28-120 Hz. With a minimum frequency of 23Hz, the Defiance V12 can go significantly deeper on the low side and provide stronger bass compared to 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
High Frequency
Subwoofer Speakers
Cabinet Type
Both Paradigm Defiance V12 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
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Paradigm Defiance V12's and Klipsch R-121SW's external dimensions. Paradigm Defiance V12 has external dimensions of 455.0 x 421.0 x 486.0mm (17-7/8inch x 16-9/16inch x 19-1/8inch) 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).
Klipsch R-121SW is 14mm narrower and 32mm shorter than Paradigm Defiance V12 but it is also 46mm deeper.
Below you can see the front view size comparison of Paradigm Defiance V12 and Klipsch R-121SW in scale.
Comparison image of Paradigm Defiance V12 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 Paradigm Defiance V12 is approximately 2046.1cm2 / 317.1inch2 and base area of the Klipsch R-121SW is approximately 2165.2cm2 / 335.6inch2. The Defiance V12 requires 6% 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 Paradigm Defiance V12 weighs 19.09kg / 42lbs and the Klipsch R-121SW weighs 16.00kg / 35.2lbs. This makes the Defiance V12 19% heavier than the R-121SW.
Here is a comparison of how Defiance V12 and R-121SW's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
What's in the Box of Paradigm Defiance V12?
Here are the items that are included inside the box of Defiance V12:
- Powered subwoofer
- Grille
- 6.5-feetAC power cord
- Owners Manual
- Online Registration Card
- Important Unboxing 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
 Low Frequency Response |
23 Hz
vs
28 Hz
|
Generates deeper bass |
 High Frequency Response |
200 Hz
vs
120 Hz
|
Generates higher frequency |
 App-Based Control |
iOS,Android
vs
None
|
Control the speaker via an app |
 Base Surface Area |
2046cm2
vs
2165cm2
|
Takes less floor space |
 Wireless Operation |
Optional
vs
No
|
Connect your subwoofer to your system wireless |
 Height |
423mm
vs
455mm
|
Easier to fit in smaller spaces |
 Price per pair* |
599USD
vs
779USD
|
costs less (*prices may change depending on the seller, location and time) |
Size, drawn to scale
Both subwoofers and both views share one scale, so everything here is directly comparable. Hover a box for its dimensions.
One scale for both, standing on the same floor and pushed back to the same wall, so the bigger one visibly takes more of the room.
Near-identical footprints. Klipsch R-121SW stands 46mm further into the room. Paradigm Defiance V12 is 32mm taller.
| General |
Paradigm Defiance V12 |
Klipsch Reference R-121SW |
| Brand |
Paradigm |
Klipsch |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
120 watts |
200 watts |
| Frequency Response |
23-200 Hz |
28-120 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
120-watt RMS |
200-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
12" |
12" |
| Woofer Composition |
Carbon-loaded polypropylene |
Spun-Copper TCP |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
455.0mm (17.9") |
423.0mm (16.7") |
| Width |
421.0mm (16.6") |
407.0mm (16") |
| Depth |
486.0mm (19.1") |
532.0mm (20.9") |
| Weight |
19.09kg (42lbs) |
16.00kg (35.2lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
2 Years |
| Labor Warranty |
3 Years |
2 Years |
No single best subwoofer here. Your room, where the box can physically go, and whether this is mainly for films or mainly for music will settle it long before the specs do.
| Area | Better | Why |
|---|
| Bass depth | A | Paradigm Defiance V12 goes deeper - 23Hz against 28Hz. A real difference, though most music has little content below 28Hz. |
| Amplifier power | B | Klipsch R-121SW has the bigger amplifier - 200W against 120W RMS, about 2.2dB more on tap. In a large room that is headroom before the DSP starts limiting. |
| Driver area | evenly matched | Near-identical radiating area (12" against 12"). |
| Enclosure | evenly matched | Both are ported designs, so they roll off in much the same way. |
| Speaker-level inputs | A | Paradigm Defiance V12 takes a speaker-level connection as well as line level. That is what lets it work with an integrated amplifier or a vintage receiver that has no subwoofer output at all. |
| Wireless option | depends | Only Paradigm Defiance V12 offers a wireless link (as a paid option). It decides where the sub can go if you cannot run a cable, and is worth nothing if you can. |
| Warranty | A | Paradigm Defiance V12 carries 3 years on parts against 2 years. A subwoofer amplifier works harder than anything else in the system, so this is not a throwaway line. |
| Price | B | Klipsch R-121SW costs less - $599 against $779, about 23% less. |
A Paradigm Defiance V12 B Klipsch R-121SW
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both subwoofers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
The usual trade-off: Paradigm Defiance V12 measures better, Klipsch R-121SW costs about 23% less. In a normal room, placement will make a bigger difference than the gap between these two. Check your amplifier first: if it has no subwoofer or preamp output, Paradigm Defiance V12 is the only one of these two you can connect at all.
One thing outweighs everything above: where the subwoofer stands. Room modes can add or remove 10dB or more at a given seat, which is far larger than any difference on this page. Before spending more, try the sub in two or three positions - the crawl test, where you put it in the listening seat and crawl the room to find where the bass sounds best, costs nothing and usually beats an upgrade.