Everything you love about Polk’s Dynamic Balance technology—that rich, clean, full-range sound—is built into the marine-tough, yet ruggedly sophisticated, DB+ series. And with its universal fit, it can be installed in any vehicle: Automobiles, motorcycles, boats, ATVs—you name it. It also features, high performance audio upgrade that delivers signature quality sound that goes beyond OEM factory systems and Marine certified with IP65 rating (water- and dirt-resistant) and tested for salt-fog, UV and humidity. Aslo, Polypropylene and UV tolerant cone with waterproof inner and outer surrounds and simple drop-in installation for any vehicle including cars, boats, and ATVs. Zero tweeter protrusion and reduced mounting depth for a precise fit and Dynamic Balance technology offers a rich, clean, full-range sound. Measurements of speakers are, ¾” & ½’, 20mm & 13mm tweeter and midrange ensures clear, balanced mids and highs and 100 Watts at Continuous Power; 300 Watts at Peak Power.
| Specifications | |
|---|---|
| Sensitivity | 91 dB |
| Bottom-mount Depth (Inches) | 2 1/16 |
| Design | 2-way |
| Impedance (Ohms) | 4 |
| Speaker Size | 5 1/4 |
| Woofer Composition | Polypropylene |
| Top-mount Depth (Inches) | 1 13/16 |
| Woofer Surround | Rubber |
| Maximum RMS Wattage | 100 |
| Minimum RMS Wattage | --- |
| Tweeter Composition | Silk |
| Peak Power Handling (Watts) | 300 |
| Tweeter Design | 3/4" Dome |
| Frequency Response | 50 - 23k Hz |
| Cutout Diameter or Length (inches) | 4 1/2 |
