JBL STAGEA120P vs KEF SP4076A0CA
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Choosing between the JBL STAGEA120P and KEF SP4076A0CA? Both compete in the Subwoofer 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 SP4076A0CA leads in audio quality, volume/SPL, form factor, room fit. They score similarly in value.
Key subwoofer differences include driver sizes of 12" vs 9", and ported vs sealed enclosure designs, and the KEF SP4076A0CA digs deeper at 11 Hz (-3dB) vs 32 Hz. Room size and placement will significantly affect real-world bass performance.
The KEF SP4076A0CA holds an advantage across more performance dimensions, but the JBL STAGEA120P 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 Size | 12" | 9" |
| RMS Watts | 250W | 1000W |
| -3dB Extension | 32Hz | 11Hz |
| -6dB Extension | — | — |
| Phase Control | Yes | Yes |
| LFE Input | Yes | Yes |
| Line Input | No | Yes |
| XLR Input | No | No |
| App Control | No | Yes |
| Passive | No | No |
| Enclosure | ported | sealed |
Key Differences
- RMS Watts: JBL STAGEA120P at 250W vs KEF SP4076A0CA at 1000W
- Enclosure: JBL STAGEA120P at ported vs KEF SP4076A0CA at sealed
- -3dB Extension: JBL STAGEA120P at 32Hz vs KEF SP4076A0CA at 11Hz
- Driver Size: JBL STAGEA120P at 12" vs KEF SP4076A0CA at 9"
- Line Input: JBL STAGEA120P at No vs KEF SP4076A0CA at Yes
Which Should You Choose?
Choose JBL STAGEA120P if you want:
- + larger driver
Choose KEF SP4076A0CA if you want:
- + better rms watts
- + better -3db extension
See Where These Rank
Check our editorial rankings to see how JBL STAGEA120P and KEF SP4076A0CA compare to the rest of the field.
Best Subwoofer Rankings
