JBL STAGEA120P vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS
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Choosing between the JBL STAGEA120P and SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS? 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 JBL STAGEA120P scores higher in form factor, room fit. The SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS leads in audio quality, volume/SPL. They score similarly in value.
Key subwoofer differences include driver sizes of 12" vs 17", and the SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS digs deeper at 14 Hz (-3dB) vs 32 Hz. Room size and placement will significantly affect real-world bass performance.
These two Subwoofer options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Size | 12" | 17" |
| RMS Watts | 250W | 2800W |
| -3dB Extension | 32Hz | 14Hz |
| -6dB Extension | — | — |
| Phase Control | Yes | Yes |
| LFE Input | Yes | Yes |
| Line Input | No | Yes |
| XLR Input | No | Yes |
| App Control | No | Yes |
| Passive | No | No |
| Enclosure | ported | ported |
Key Differences
- RMS Watts: JBL STAGEA120P at 250W vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at 2800W
- -3dB Extension: JBL STAGEA120P at 32Hz vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at 14Hz
- Driver Size: JBL STAGEA120P at 12" vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at 17"
- Line Input: JBL STAGEA120P at No vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at Yes
- XLR Input: JBL STAGEA120P at No vs SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS at Yes
Which Should You Choose?
Choose SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS if you want:
- + larger driver
- + better rms watts
- + better -3db extension
See Where These Rank
Check our editorial rankings to see how JBL STAGEA120P and SVS PB17-ULTRA R|EVOLUTION-PIANO-GLOSS compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
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