Polk Audio MONITORXT10 vs SVS SB-4000-PIANO-GLOSS-BLACK
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Choosing between the Polk Audio MONITORXT10 and SVS SB-4000-PIANO-GLOSS-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 Polk Audio MONITORXT10 scores higher in form factor, room fit. The SVS SB-4000-PIANO-GLOSS-BLACK leads in audio quality, volume/SPL. They score similarly in value.
Key subwoofer differences include driver sizes of 10" vs 13", and ported vs sealed enclosure designs, and the SVS SB-4000-PIANO-GLOSS-BLACK digs deeper at 19 Hz (-3dB) vs 24 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 | 10" | 13" |
| RMS Watts | 50W | 1200W |
| -3dB Extension | 24Hz | 19Hz |
| -6dB Extension | — | — |
| Phase Control | Yes | Yes |
| LFE Input | Yes | Yes |
| Line Input | Yes | Yes |
| XLR Input | No | Yes |
| App Control | No | Yes |
| Passive | No | No |
| Enclosure | ported | sealed |
Key Differences
- RMS Watts: Polk Audio MONITORXT10 at 50W vs SVS SB-4000-PIANO-GLOSS-BLACK at 1200W
- Enclosure: Polk Audio MONITORXT10 at ported vs SVS SB-4000-PIANO-GLOSS-BLACK at sealed
- Driver Size: Polk Audio MONITORXT10 at 10" vs SVS SB-4000-PIANO-GLOSS-BLACK at 13"
- -3dB Extension: Polk Audio MONITORXT10 at 24Hz vs SVS SB-4000-PIANO-GLOSS-BLACK at 19Hz
- XLR Input: Polk Audio MONITORXT10 at No vs SVS SB-4000-PIANO-GLOSS-BLACK at Yes
Which Should You Choose?
Choose SVS SB-4000-PIANO-GLOSS-BLACK if you want:
- + larger driver
- + better rms watts
- + better -3db extension
See Where These Rank
Check our editorial rankings to see how Polk Audio MONITORXT10 and SVS SB-4000-PIANO-GLOSS-BLACK compare to the rest of the field.
Best Subwoofer RankingsRelated Calculators
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