R-121SW is a Ported type Powered Subwoofer by Klipsch with a frequency range of 28-120 Hz. It features 1 x 12" Spun-Copper TCP Woofer, and powered by a 200 watts amplifier.
R-121SW is a member of Klipsch's Reference (R) series of Powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.
Klipsch Reference (R) Series Subwoofers
**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.
Klipsch R-121SW has a Frequency response range of 28-120 Hz at ±3dB. With the help of its 1 x 12-inch driver and 200 watts RMS amplifier, the R-121SW can go as low as 28 Hz which doesn't quite offer full range sound (20Hz-2kHZ) but it gets really close.
Here we have a comparison of how R-121SW's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Among all subwoofers in our database with a max MSRP price of 750$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the Klipsch R-121SW's 28Hz:
Klipsch R-121SW has a variable Low-pass filter (LFP) which lets you choose a frequency level between 50-160 Hz in order to block any frequencies above that point from reaching the amplifier.
Klipsch R-121SW also features a High-pass filter (HFP) working at N/A Hz, used to block any frequencies below that point.
Inputs and Outputs
- PreampLevel Inputs: Stereo RCA/LFE
- SpeakerLevel Inputs: No
- SpeakerLevel Outputs: No
- Wireless: No
Klipsch R-121SW External Dimensions and Weight
Klipsch R-121SW has external dimensions of (Height x Width x Depth) 16-5/8inch x 16inch x 20-15/16inch (423.0 x 407.0 x 532.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Klipsch R-121SW is approximately 2165.2cm2 / 335.6inch2.
To get a better perspective on the real life size of Klipsch R-121SW, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Here we place the Klipsch R-121SW virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.
The Klipsch R-121SW weighs 16.00kg / 35.2lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how R-121SW's weight compares with the average, max and min weights in its class.
All Subwoofer Speakers
Subwoofer Speakers under $750
Cabinet type and Materials
Klipsch R-121SW has a Bass Reflex
type cabinet. Ported subwoofers are generally accepted to be more suitable for home theatre systems whereas the sealed designs are preferred for music oriented systems.
Klipsch R-121SW is a front-firing port speaker , which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Does the Klipsch R-121SW come with a Grille?
R-121SW comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
What's in the Box of Klipsch R-121SW?
Here are the items that are included inside the box of R-121SW:
Powered subwooferGrille6.5-feet AC power cordUser ManualImportant Safety InstructionsWarranty Information
Here is a list of accessories that we think you may need for the Klipsch Reference R-121SW.
2 Years of parts warranty and 2 Years of labor warranty is generally provided by the manufacturer.