Klipsch Reference R-121SW is a Powered Subwoofer by Klipsch with a frequency range of 28-120 Hz. Klipsch Reference R-121SW's built-in amplifier provides 200-watt RMS. The built-in power amplifier saves space & eliminates the need to connect Klipsch R-121SW to an external amp. It features a 1 x 12" Spun-Copper TCP Woofer is powered by a 200 watts amplifier.
Klipsch Reference 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.
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Klipsch R-121SW has a Frequency response range of 28-120 Hz. With the help of its 1 x 12-inch driver and 200 watts amplifier, the Klipsch Reference 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 Klipsch Reference 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 have 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 Klipsch Reference R-121SW's weight compared 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.
Does the Klipsch R-121SW come with a Grille?
Klipsch Reference 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 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 Klipsch Reference R-121SW:
Powered subwooferGrille6.5-feet AC power cordUser ManualImportant Safety InstructionsWarranty Information
2 Years of parts warranty and 2 Years of labor warranty is generally provided by the manufacturer.