Design and build:

Comparing KEF Q150 vs Klipsch RP-600M, the Klipsch RP-600M is larger and heavier. KEF Q150 does not come with speaker grilles. You can purchase them separately. KEF Q150 has two colors: black and white. It has an MDF cabinet, and the uncommon driver design is eye-catching. 

Klipsch RP-600M bookshelf speakers are available in three color options: Ebony, Walnut and piano black. It is made of MDF, has a scratch-protective cabinet and has a glossy-type finish. It 5has black fabric-type magnetic grille which is also acoustically transparent. When placed on tables or any surfaces, the Klipsch RP-600M stays put in one place thanks to the rubber feet. 

Performance:

Comparing KEF Q150 vs Klipsch RP-600M, the Klipsch RP-600M has a slightly larger woofer driver and higher sensitivity. With a larger woofer and a much lower low-frequency, Klipsch RP-600M can deliver punchier and deeper bass. However, it will not be chest thumping because for that you will need dedicated subwoofer.

Klipsch RP-600M has a 1” titanium vented tweeter with Horn loaded technology. This ensures the high ends are focused and directed towards the user. It can deliver smooth frequencies while sounding realistic by eliminating distortion. It ensures driver remain protected while minimizing any harshness. Bass response is present and delivers adequate oomph. The woofer is lightweight and focuses on increasing efficiency. There is a rear firing Tractrix port that eliminates any air turbulence and port noise. This will further improve the low ends.

This also means you need to leave some space from the rear wall. The speakers can deliver engaging and entertaining performance. They sound crisp and clear. You can listen to both music and movies without any issues. Play the speakers for a long time to allow break-in.  Overall, it sounds rich and full in small to medium sized spaces. 

Compared to Klipsch RP-600M, the KEF Q150 has a balanced and neutral sound profile. It consists of a Uni-Q driver array where a 1” tweeter is placed in the middle of the 5.25” mid-bass woofer. The tweet will minimize cone breakup and with the help of ‘tangerine’ waveguide it will emit sound within a broader space. These speakers have detailed mids and well-controlled low ends. While we wish the high ends were more accurate, the overall sound is enjoyable.

Bass response is great and sounds bigger than its size. With a CFD Port design at the back panel, any turbulence or noise is minimized. Due to the unique centered-tweeter design, the speaker has good accuracy and detail. You can tweak the sound by using the EQ option of the receiver.

 Use case and installation:

Klipsch RP-600M vs KEF Q150 comparison shows the RP-600M has dual binding posts. This allows the user to perform bi-wiring and bi-amping connections. KEF Q150 speakers have gold plated binding posts. Both of them are suitable for small to medium sized rooms. 

Compatible devices:

The RP-600M is compatible with floorstanding and center and subwoofers from the Klipsch Reference Premiere Series. It will work with the following receivers: Yamaha RX-B483, Yamaha RX-V4,Yamaha A-S501, Sony STR-DH190, etc. The following receivers will be a good fit for KEF Q150 speakers: Yamaha RS 202, McIntosh MAC7200, WiiM Amp,Yamaha RX-V371, etc.

To create a larger home theater, you can try adding the following: floorstanding speakers (Q550/Q750/Q950), bookshelf speakers (Q350), center channel speakers (Q650C/Q250C), Dolby Atmos speaker (Q50A) and KEF Kube subwoofer. 

Speaker placement:

Place the Klipsch RP-600M bookshelf speaker 6 to 15’ away from each other. Then the sitting spot should be 1-1.5 times that of the distance between speakers. If you are using it for the rear placement, keep it 5 to 7’ above the floor level. 

For positioning the KEF Q150, keep them at a height of 18-24” above ground level. Keep a gap of 6-10’ between the speakers. Place them 9” away from the back wall and around 40” away from side walls. 

Cost:

KEF Q150 and Klipsch RP-600M are similar priced bookshelf speakers that are available for under $350. They are quite reasonably priced that allow you to save and spend after a subwoofer.  

FAQ:

Can I mismatch subwoofers from other brands with KEF Q150?

Yes, you can connect subwoofers from other brands with KEF Q150 like SVS subwoofers.

Are KEF Q150 or Klipsch RP-600M speakers worth buying?

Both these affordable speakers sound bigger at such a compact size. As long as you are not using them in large spaces or expecting room shaking bass, these bookshelf speakers will serve your purpose.