Audioengine P4 vs Polk Audio 107ATR8SDW
Prices updated hourly. Check retailer for current availability.
Choosing between the Audioengine P4 and Polk Audio 107ATR8SDW? 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 Audioengine P4 scores higher in value, audio quality, volume/SPL, form factor, room fit.
For speaker performance, impedances of 4Ω vs 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.
The Audioengine P4 holds an advantage across more performance dimensions, but the Polk Audio 107ATR8SDW 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 Audioengine P4 is the stronger choice — it leads in 5 of 5 scored dimensions. The Polk Audio 107ATR8SDW makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Audioengine P4
Polk Audio 107ATR8SDW
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way bass reflex | 2-way (dual voice coil, single stereo input) |
| Sensitivity | — | 91dB |
| Impedance | 4Ω | 8Ω |
| Freq Response Low | 60Hz | 45Hz |
| Freq Response High | 22000Hz | 27000Hz |
| Crossover | — | — |
| Bi-Amp Capable | No | No |
| Rec. Power Min | — | 10W |
| Rec. Power Max | — | 125W |
| Mounting Type | bookshelf | outdoor |
| 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 | Yes |
| UV Resistant | No | Yes |
| Salt Spray Rated | No | No |
| Enclosure Material | — | — |
| Grille Material | — | — |
| Bracket Type | — | Speed-Lock swivel |
| Bracket Included | No | Yes |
| Dual Voice Coil (SDI) | No | No |
Key Differences
- Impedance: Audioengine P4 at 4Ω vs Polk Audio 107ATR8SDW 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.
- Freq Response Low: Audioengine P4 at 60Hz vs Polk Audio 107ATR8SDW at 45Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Freq Response High: Audioengine P4 at 22000Hz vs Polk Audio 107ATR8SDW at 27000Hz
- Driver Config: Audioengine P4 at 2-way bass reflex vs Polk Audio 107ATR8SDW at 2-way (dual voice coil, single stereo input). 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.
- Sensitivity: Audioengine P4 at — vs Polk Audio 107ATR8SDW at 91dB. 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.
Which Should You Choose?
Choose Polk Audio 107ATR8SDW if you want:
- + better freq response low — determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support
See Where These Rank
Check our editorial rankings to see how Audioengine P4 and Polk Audio 107ATR8SDW 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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