KEF SP4058B1AA vs Klipsch RP-404C
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Choosing between the KEF SP4058B1AA and Klipsch RP-404C? Both compete in the Speaker (Center) segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Klipsch RP-404C leads in audio quality, volume/SPL, form factor, room fit. They score similarly in value.
For speaker performance, the Klipsch RP-404C is more sensitive at 97 dB vs 88 dB, and impedances of 4Ω vs 8Ω. Room acoustics and amplifier pairing will also significantly affect the result.
The Klipsch RP-404C holds an advantage across more performance dimensions, but the KEF SP4058B1AA may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 3-way | 2-way |
| Sensitivity | 88dB | 97dB |
| Impedance | 4Ω | 8Ω |
| Freq Response Low | 65Hz | 59Hz |
| Freq Response High | 28000Hz | 25000Hz |
| Crossover | — | 1500Hz |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 15W | 13W |
| Rec. Power Max | 250W | — |
| Mounting Type | center | center |
| Mounting Depth | — | — |
| Cutout Diameter | — | — |
| Cutout Width | — | — |
| Cutout Height | — | — |
| Wall Thickness Min | — | — |
| Wall Thickness Max | — | — |
| Back Box Included | No | No |
| Back Box Required | No | No |
| Mounting Mechanism | — | — |
| Installation Type | — | — |
| Stud Spacing | — | — |
| Paintable Grille | No | No |
| Magnetic Grille | No | No |
| Grille Shape | — | — |
| Connector Type | — | — |
| Wire Gauge Max | — | — |
| Angle Adjustable | No | No |
| Pivot Angle | — | — |
| Treble Attenuation Switch | No | No |
| LCR Capable | No | No |
| Coaxial | No | No |
| IP Rating | — | — |
| Moisture Resistant | No | No |
| UV Resistant | No | No |
| Salt Spray Rated | No | No |
| Enclosure Material | — | — |
| Grille Material | — | — |
| Bracket Type | — | — |
| Bracket Included | No | No |
| Dual Voice Coil (SDI) | No | No |
Key Differences
- Impedance: KEF SP4058B1AA at 4Ω vs Klipsch RP-404C at 8Ω
- Driver Config: KEF SP4058B1AA at 3-way vs Klipsch RP-404C at 2-way
- Rec. Power Min: KEF SP4058B1AA at 15W vs Klipsch RP-404C at 13W
- Freq Response High: KEF SP4058B1AA at 28000Hz vs Klipsch RP-404C at 25000Hz
- Sensitivity: KEF SP4058B1AA at 88dB vs Klipsch RP-404C at 97dB
Which Should You Choose?
Choose Klipsch RP-404C if you want:
- + better sensitivity
- + better freq response low
See Where These Rank
Check our editorial rankings to see how KEF SP4058B1AA and Klipsch RP-404C compare to the rest of the field.
Best Speaker (Center) Rankings
