A generation apart: Klipsch RP-8203F is the newer design, against a 2019 model. Newer is not automatically better, but the older one is more likely to be discounted or near run-out.
| Area | Better | Why |
|---|
| Bass | B | KLH Kendall digs deeper - 25Hz against 35Hz. |
| Amplifier needs | A | Klipsch RP-8203F is more sensitive (98dB vs 96dB), so it goes louder on the same amplifier. |
| Headroom | B | KLH Kendall takes more power (250W vs 150W) - more in hand in a big room. |
| Size | depends | KLH Kendall is easier to place; Klipsch RP-8203F is bigger, which usually goes with fuller bass. Your room decides. |
| Expandability | depends | Klipsch RP-8203F: bi-amping; KLH Kendall: bi-amping. Klipsch RP-8203F sits in a wider range (9 models), so a matched surround system is easier later. |
| Price | evenly matched | Much the same money ($1,600 vs $1,500 a pair). |
A Klipsch RP-8203F B KLH Kendall
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
KLH Kendall has the edge on paper, though the margin is not large. The rows marked "depends" may matter more to you than the score does. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 35Hz anyway, so judge these on the other rows instead. In a large or open-plan room, Klipsch RP-8203F has the cabinet volume to fill it more easily; in a small room, near a wall or at desk distance, KLH Kendall is the easier speaker to get right.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.