Klipsch R-3650-W II is a 2-way Passive In-wall In-wall speaker by Klipsch. It was released in 2015. It features a 1" Horn-loaded dome Tweeter and 1 x 6.5" IMG Woofer. The speaker has a frequency range of 60-23kHz and a sensitivity of 92 dB. Klipsch R-3650-W II has an MSRP of 738$ per pair but can often be found around 358$ per pair.
Room Size Suitability
The size of the room where you plan to use the Klipsch R-3650-W II 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 | Good |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | No way |
(* 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 Reference II Series of Loudspeakers
R-3650-W II is a member of Klipsch's Reference II series of Passive speakers. The Reference II range are Klipsch's custom-install in-wall and in-ceiling speakers. Below you can see the main specs of these speakers.
See all 7 Klipsch Reference II models compared »
Klipsch Reference II Series Speakers
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Frequency Response of the Klipsch R-3650-W II Speaker
Klipsch R-3650-W II has a Frequency response range of 60-23kHz and Power Range of up to 50 watts. With a minimum frequency of 60 Hz, R-3650-W II delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
Here we have a comparison of how R-3650-W II's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
In-wall Speakers
Thinking about a subwoofer for the Klipsch R-3650-W II?
Impedance and Sensitivity
Klipsch R-3650-W II's nominal impedance level is
8 ohms and has a sensitivity of
92 dB.
Sensitivity
In-wall Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Klipsch R-3650-W II is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
92dB of the Klipsch R-3650-W II is considered a high sensitivity compared to average stereo speaker which makes R-3650-W II 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 R-3650-W II will be a good choice. Work out how loud the Klipsch R-3650-W II plays in your room →
What amplifier does the Klipsch R-3650-W II need?
At normal listening levels in a medium room, about
4.7–50 W
per channel into 8 ohms.
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Input Type
R-3650-W II features Spring post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Klipsch R-3650-W II External Dimensions and Weight
Klipsch R-3650-W II has external dimensions of (Height x Width x Depth) 13.0625-inch x 7.9375-inch x 3.6875-inch (332.0 x 202.0 x 94.0mm ).
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-3650-W II is approximately 189.9cm2 / 29.4inch2.
Find speakers that fit your shelf or alcove →
Cabinet type and Materials
Klipsch R-3650-W II has a
In-wall type cabinet.
What's in the Box of Klipsch R-3650-W II?
Here are the items that are included inside the box of R-3650-W II:
- In-wall speaker
- White metal mesh grille
- Cardboard template
- Owners Manual (En/Fr/Sp)
Recommended Accessories
Here is a list of accessories that we think you may need for the Klipsch R-3650-W II.
Warranty
Ltd. Lifetime of parts warranty and Ltd. Lifetime of labor warranty is generally provided by the manufacturer.