Paradigm 819470V3B vs Polk Audio 107255CRT
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Choosing between the Paradigm 819470V3B and Polk Audio 107255CRT? Both compete in the Speaker (L/R) 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 Paradigm 819470V3B scores higher in room fit. The Polk Audio 107255CRT leads in audio quality, volume/SPL, form factor. They score similarly in value.
For speaker performance, the Polk Audio 107255CRT is more sensitive at 90 dB vs 88 dB, and impedances of 4Ω vs 8Ω. Higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks. A speaker rated 3 dB higher in sensitivity needs half the amplifier power to reach the same volume. Lower impedance draws more current from your receiver. A 4-ohm speaker needs a receiver rated for that load, or you risk thermal shutdown during loud passages.
The Polk Audio 107255CRT holds an advantage across more performance dimensions, but the Paradigm 819470V3B 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.
For most home theaters, the Polk Audio 107255CRT is the stronger choice — it leads in 3 of 5 scored dimensions. The Paradigm 819470V3B makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way sealed | — |
| Sensitivity | 88dB | 90dB |
| Impedance | 4Ω | 8Ω |
| Freq Response Low | 90Hz | — |
| Freq Response High | 20000Hz | — |
| Crossover | 2300Hz | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 15W | 10W |
| Rec. Power Max | 110W | — |
| Mounting Type | outdoor | in-wall |
| 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
- Impedance: Paradigm 819470V3B at 4Ω vs Polk Audio 107255CRT at 8Ω. Lower impedance draws more current from your receiver. A 4-ohm speaker needs a receiver rated for that load, or you risk thermal shutdown during loud passages.
- Rec. Power Min: Paradigm 819470V3B at 15W vs Polk Audio 107255CRT at 10W
- Sensitivity: Paradigm 819470V3B at 88dB vs Polk Audio 107255CRT at 90dB. Higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks. A speaker rated 3 dB higher in sensitivity needs half the amplifier power to reach the same volume.
- Driver Config: Paradigm 819470V3B at 2-way sealed vs Polk Audio 107255CRT at —. 3-way speakers use dedicated drivers for bass, midrange, and treble, reducing crossover interference. Coaxial designs (KEF Uni-Q) mount the tweeter inside the woofer for better time-alignment.
- Freq Response Low: Paradigm 819470V3B at 90Hz vs Polk Audio 107255CRT at —. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
Which Should You Choose?
Choose Polk Audio 107255CRT if you want:
- + better sensitivity — higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks
See Where These Rank
Check our editorial rankings to see how Paradigm 819470V3B and Polk Audio 107255CRT compare to the rest of the field.
Best Speaker (L/R) RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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