Emotiva AIRMOTIV XC2 vs KEF SP4057B1AA
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Choosing between the Emotiva AIRMOTIV XC2 and KEF SP4057B1AA? 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 KEF SP4057B1AA leads in audio quality, volume/SPL, form factor, room fit. They score similarly in value.
For speaker performance, the Emotiva AIRMOTIV XC2 is more sensitive at 89 dB vs 87 dB. Room acoustics and amplifier pairing will also significantly affect the result.
The KEF SP4057B1AA holds an advantage across more performance dimensions, but the Emotiva AIRMOTIV XC2 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 | 3-way |
| Sensitivity | 89dB | 87dB |
| Impedance | 4Ω | 4Ω |
| Freq Response Low | 40Hz | 67Hz |
| Freq Response High | 27000Hz | 28000Hz |
| Crossover | — | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 10W | 15W |
| Rec. Power Max | 150W | 200W |
| Mounting Type | — | 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
- Freq Response Low: Emotiva AIRMOTIV XC2 at 40Hz vs KEF SP4057B1AA at 67Hz
- Rec. Power Min: Emotiva AIRMOTIV XC2 at 10W vs KEF SP4057B1AA at 15W
- Rec. Power Max: Emotiva AIRMOTIV XC2 at 150W vs KEF SP4057B1AA at 200W
- Freq Response High: Emotiva AIRMOTIV XC2 at 27000Hz vs KEF SP4057B1AA at 28000Hz
- Sensitivity: Emotiva AIRMOTIV XC2 at 89dB vs KEF SP4057B1AA at 87dB
Which Should You Choose?
Choose Emotiva AIRMOTIV XC2 if you want:
- + better sensitivity
- + better freq response low
See Where These Rank
Check our editorial rankings to see how Emotiva AIRMOTIV XC2 and KEF SP4057B1AA compare to the rest of the field.
Best Speaker (Center) Rankings
