JBL STAGEA120P vs Sonus faber GRAVIS I-PIANO-BLACK
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Choosing between the JBL STAGEA120P and Sonus faber GRAVIS I-PIANO-BLACK? Both compete in the Subwoofer segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The JBL STAGEA120P scores higher in audio quality, volume/SPL. The Sonus faber GRAVIS I-PIANO-BLACK leads in form factor, room fit. They score similarly in value.
Key subwoofer differences include driver sizes of 12" vs 8", and ported vs sealed enclosure designs. 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" | 8" |
| RMS Watts | 250W | 150W |
| -3dB Extension | 32Hz | — |
| -6dB Extension | — | 30Hz |
| Phase Control | Yes | Yes |
| LFE Input | Yes | Yes |
| Line Input | No | Yes |
| XLR Input | No | No |
| App Control | No | No |
| Passive | No | No |
| Enclosure | ported | sealed |
Key Differences
- Enclosure: JBL STAGEA120P at ported vs Sonus faber GRAVIS I-PIANO-BLACK at sealed
- RMS Watts: JBL STAGEA120P at 250W vs Sonus faber GRAVIS I-PIANO-BLACK at 150W
- Driver Size: JBL STAGEA120P at 12" vs Sonus faber GRAVIS I-PIANO-BLACK at 8"
- -3dB Extension: JBL STAGEA120P at 32Hz vs Sonus faber GRAVIS I-PIANO-BLACK at —
- -6dB Extension: JBL STAGEA120P at — vs Sonus faber GRAVIS I-PIANO-BLACK at 30Hz
Which Should You Choose?
Choose JBL STAGEA120P if you want:
- + larger driver
- + better rms watts
See Where These Rank
Check our editorial rankings to see how JBL STAGEA120P and Sonus faber GRAVIS I-PIANO-BLACK compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
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