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LISTENING
I don鈥檛 expect too much from a $100 pair of coaxials. But in this case, the low price of the DXi650 system didn鈥檛 keep it from impressing me with it鈥檚 performance. The DXi650鈥檚 have a very smooth, pleasant sound, and are quite sensitive so they don鈥檛 need a big amplifier to play really loud. The bottom end was warm and fat sounding, with a natural and realistic sounding midrange. Male or female vocals had good natural timbre and intelligibility. Difficult to reproduce solo instruments like sax, acoustic guitar and grand piano came through with excellent clarity and resonance. The top end is very polite, with no trace of harshness or sibilance, and maybe in some cases, just a bit too subdued for some tastes. If you prefer your music with a bit more top end detail and presence, you may find yourself bumping up the treble control a click or two with the DXi650鈥檚. And personally, I find that a much better tradeoff than a tweeter that鈥檚 overbearing and harsh, that gives you listening fatigue in just a short period. Overall, after several hours of listening to all kinds of music, I found the sonic performance of the DXi650鈥檚 to be very good, and a bit surprising when you consider the low cost.
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TECHNICAL MEASUREMENTS
After I鈥檇 completed the listening session, I moved the system into my loudspeaker measurement room, and measured the on-axis frequency response. As with other Polk systems I鈥檝e measured previously, the DXi650 system is quite flat, with a small dip around 8500Hz. I then measured the impedance response of the system and got a very typical type of impedance curve for the system with a minimum impedance of around 3 ohms.
CONCLUSION
If you are considering upgrading your OEM speakers, or maybe you are just looking for a high value, very good sounding system that is built to last, the Polk Audio DXi650鈥檚 or any of the other Polk Audio DXi series of speakers should be high on your list of products to audition.
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