Klipsch OJAS kO-R2 is a 2-way Passive Horn Loaded Floor-standing speaker by Klipsch. It was released in 2026. It features a Compression Horn Tweeter and 1 x 15" Paper Woofer.
A collaboration with Devon Turnbull's OJAS: a K-33-E 15 inch woofer and a K-706 multisectoral horn in Baltic birch plywood, 97 dB sensitive. Built as a listening-room object rather than furniture.
The speaker has a frequency range of 39-20k Hz and a sensitivity of 97 dB.
Room Size Suitability
The size of the room where you plan to use the Klipsch OJAS kO-R2 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Are you nuts? |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Good |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Klipsch's Heritage Series of Loudspeakers
kO-R2 is a member of Klipsch's Heritage series of Passive speakers. The Heritage range are Klipsch's iconic hand-built American speakers, including the Cornwall, Heresy and horn-loaded La Scala, some in production for decades. Below you can see the main specs of these speakers.
See all 10 Klipsch Heritage models compared »
Klipsch Heritage Series Speakers
Klipsch Heritage Series Speakers
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Frequency Response of the Klipsch OJAS kO-R2 Speaker
Klipsch OJAS kO-R2 has a Frequency response range of 39-20k Hz at ±3dB and Power Range of up to 300 watts. With a minimum frequency of 39 Hz, kO-R2 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Visit our Powered Subwoofers section to find out more about the available subwoofer options.
Here we have a comparison of how kO-R2's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
Crossover frequency of the Klipsch OJAS kO-R2?
The Crossover frequency of the kO-R2 is set to 760Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.
Impedance and Sensitivity
Klipsch OJAS kO-R2's nominal impedance level is
8 ohms but can go down to as low as
4.2 ohms, and has a sensitivity of
97 dB.
Sensitivity
Floor-standing Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Klipsch OJAS kO-R2 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
97dB of the Klipsch OJAS kO-R2 is considered a high sensitivity compared to average stereo speaker which makes kO-R2 an easy to drive from Sensitivity perspective. If you are planning to power your speaker with a Tube amp which are generally very low power, the Klipsch OJAS kO-R2 will be a good choice.
Minimum Impedance of the Klipsch OJAS kO-R2
Even though the nominal impedance of the kO-R2 is 8 ohms, the minimum impedance level of this speaker according to Klipsch is 4.2 ohms Klipsch OJAS kO-R2 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Browse all integrated amplifiers
Input Type
kO-R2 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Klipsch OJAS kO-R2 External Dimensions and Weight
Klipsch OJAS kO-R2 has external dimensions of (Height x Width x Depth) 45-1/2 x 25-3/8 x 22-1/4inch (1156.0 x 645.0 x 565.0mm ).
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 OJAS kO-R2 is approximately 3644.3cm2 / 564.9inch2.
WeightThe Klipsch OJAS kO-R2 weighs 54.65kg / 120.2lbs per piece. Here is a comparison of how kO-R2's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Cabinet type and Materials
Klipsch OJAS kO-R2 has a
Horn Loaded type cabinet and a 13-ply Baltic birch plywood finish.
Port Position
Klipsch OJAS kO-R2 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.
Available colors
Klipsch OJAS kO-R2 is available in Red Oak and Hammertone.
Does the Klipsch OJAS kO-R2 come with a Grille?
kO-R2 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.
Recommended Accessories
Here is a list of accessories that we think you may need for the Klipsch OJAS kO-R2.
Official Product Page
Official manufacturer's product page for the Klipsch OJAS kO-R2 speaker can be found below:
Official Product Page for Klipsch OJAS kO-R2
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.