Polk Audio Atrium 45 Speakers Review

Polk Audio has a variety of high quality audio products. Some of them have external audio systems in our review. The Polk Audio Atrium 45, is the least impressive outdoor speakers we’ve reviewed. It has a small frequency range and a low sensitivity rating. While the Atrium 45 is not as impressive as other outdoor speakers, it is still one of the 10 best exterior audio system options.

The Atrium 45 is designed for the outdoors. Polk Audio ensured that this product met or exceeded several military grade waterproofing specifications. This means that it will have no problem handling the elements in your backyard. It is also resistant to rust and corrosion. Although they can be used indoors, these were all-weather speakers made to be outside. Always some point, outdoor speakers down to a proper drainage so that during a rainstorm.

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While the tough exterior is impressive for an outdoor speaker, the interior is only ordinary. The soft-dome tweeter measures 0.75 inches in diameter and includes a neodymium magnet. This powerful magnet provides a fast and flexible membrane vibrations to the driver the audio a natural sound. The woofer is made with a mineral-filled polymer to provide a rigid quality. This 4.5-inch midrange driver has rubber bumper, which is more durable than foam surround. It is built using Polk Audio Dynamic Balance technology, which uses laser precision for a better balance and sound.

The sensitivity rating measures how effective audio-wattage appliances can be converted into volume. The higher the number, the less energy the drivers needed to produce a certain volume. A difference of 3dB, for example, means that a product is half as much energy as the other. The Atrium 45 outdoor speaker has a sensitivity of 86dB. This is one of the lowest sensitivity ratings in our review. More energy must be pumped into the array to the same volume as another product, such as the Polk Audio Atrium 55 to get.

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The human ear can hear frequencies from 20Hz to 20kHz. Frequency Response is a measure of the range of frequencies a device such as an outdoor speaker can reproduce. The Polk Audio Atrium 45 has a frequency response of 75Hz to 20kHz. This is one of the narrowest frequency ranges in our review. This lack of low bass can cause the audio to sound thin in the open air. It is also not capable of supersonic frequencies that are sometimes added in audio reproduction mixes to enhance the listening experience.

Verdict

Since Polk Audio has a number of quality products in this review, it is surprising that this one ranked so low. However, the limited frequency range combined with low sensitivity means that the outdoor speaker can not give the full, rich audio offered by other models. It is able to withstand the elements, but it may not be able to withstand a critical ear. However, despite the low ranking, the Polk Audio Atrium 45 is still a viable entertainment option for your outdoor speaker.

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