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Polk Audio DB651 - Great speakers for the price
on December 16, 2011
First of all, these speakers are NOT capable of handling 180 watts. According to the manufacturer, they are rated at a MAXIMUM of 60 continuous RMS watts per speaker. Peak power is an irrelevant number that anyone with at least half a brain discards. These Polk Audio DB651 speakers sound great! They have very clear highs, and solid lows. These are not going to produce any astounding bass like a larger or good set of component speakers, but for what they are, I've yet to come across anything that can beat them. Also and maybe most importantly, they have great (perhaps the best I've heard) tonal balance. In comparison, I also own a pair of the Polk Audio MM651, which sound great (lows/highs) and are even slightly louder (more efficient) than the DB651 series, but the MM651 have an overly present midrange that takes a good equalizer to somewhat tame. Even equalized however, the MM651 series doesn't sound overall as well as the DB651 series. If you're looking for a great set of 6.5" speakers that have a balanced, warm and clear sound, and also perform well at higher volume levels, then I recommend the DB651. Especially, if they are under 70 bucks a pair! Furthermore, I'd highly recommend using an amplifier in conjunction with these speakers.
I am currently using a Kenwood DPX-701 headunit and Kenwood KAC-X542 amplifier that produces 80+ continuous watts RMS @ 4 Ohms X 4 in tandem with two pair of the DB651 speakers and they sound great. Unfortunately, I have to significantly attenuate the level and gain controls on the amplifier so I don't blow the speakers, and with the amazing sound quality, it's very tempting to crank it up. Matter of fact, one of the local officers was so intrigued by the intensity of my car stereo that he came over to where I was sitting (in my driveway) and wrote me a little white certificate of authenticity that I had to take to the courthouse and proudly display.
Edit - Personal Preference Notice:
I've encountered a few debates about "clarity" when it comes to speakers (these DB651s in particular) of which neither is wrong nor right, it's just personal preference. As I mentioned earlier in the review, these speakers have a warm yet clear sound. The treble is clear and plentiful, but it's not sharp, glass shattering, nor ear drum piercing. That is thanks to the "Silk Dome" tweeters. Silk Dome tweeters are typically not as efficient nor as loud as metal dome ( titanium, aluminum ect) tweeters, but they have a better balanced, soft, clear and warm sound. To me metal dome tweeters are uncomfortable to listen to because they have an untamable resonating tinny sound. I have a few friends, however, that disagree with my silk dome tweeter preference and actually prefer the flamboyance of the metal tweeters. So if you have a similar tonal taste as they do, you may be disappointed with the DB651 series high frequency performance and want to look further for a set of speakers with metal dome tweeters. Anyway to each there own; these Polk DB651 series speakers replaced my Eclipse SP6500 series (that had metal dome tweeters) and I can say it was a very noticeable improvement in sound quality and balance.