The speakers, which are sold as a pair, each use a 5-inch high-compliance, polypropylene, mica-filled woofer and .5-inch PEI dome tweeter. The drivers are optimized for high rigidity but low mass, giving them reasonably high sensitivity (80 dB with 2.83V at 1 meter), another way of saying modest amplifiers won't have much trouble driving them. Their acoustic-suspension cabinets are sealed to prevent undue resonance or tubby, tuneless bass, which often results from low-cost ported designs.

With a nominal impedance of 6 ohms, the speakers will work nicely with amplifiers up to 35 watts per channel, nominal, or 120 watts, peak power. They boast a frequency response of 80 to 40,000 Hz (+/-3 dB), giving you decent bass output for their compact size and unusually extended high-frequency response for your most demanding digital media. For indoor use, you may want to augment their performance with a subwoofer to deliver deeper and more powerful bass; be sure to select one with a variable crossover so you can tailor its upper frequency to effectively "take over" at the point of the NS-AW150Ws' lowest deliverable frequency.

The speakers are magnetically shielded, so you can place them on or near a TV or video monitor without fear of picture degradation from their magnetic fields. Five-way binding posts simplify connection with several different terminations of speaker cable (including banana plugs), and the NS-AW150Ws even come with two lengths of cable to get you started.

While you wouldn't want to leave the speakers exposed on, say, the deck of a boat, they are water resistant and designed to withstand light wind and rain--a benefit of their sealed enclosures and rugged metal grilles. The speakers come with mounting bases and brackets.

Installation is easy as 1-2-3: cut a single hole, feed the wires through to your receiver or amplifier, and simply drop the speaker in. Rotating cams secure the speakers safely with no extra assembly or mess. A round shape and flush design allows each RC60ito mimic the look of a recessed lighting fixture, providing the ultimate in stealth sound.

The pair is durable, too, with moisture-resistant materials that are perfectly safe for use in bathrooms, kitchens, saunas--even under outdoor eaves. Rubber driver surrounds outlast cheap foam surrounds for years of trouble-free performance.

Dynamic Balance components and aimable tweeters ensure spacious imaging with stunning clarity and well-balanced sound in any listening position, not just a small "sweet spot." Wide-dispersion design means you'll enjoy even coverage across small and large rooms alike.

The speakers use large, 6.5-inch cones for rich, full-bodied sound. Further, their Infinite Baffle tuning uses the virtual enclosure of in-wall space to enhance their bass response. The speakers are timbre-matched to the members of Polk's RTiSeries for seamless, enveloping sound when used as part of a home theater.