The Polk Audio XT70 ranks #42 out of 66 total Large Size Floorstanding Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
Brand: Polk
Prices on this page were last checked August 24, 2026 at 6:53 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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#42 Polk Audio XT70: $349.00 Amazon eBay
Pros: The flagship tower in Polk’s current Monitor XT lineup, sitting above the XT60 and XT15 in the same series, adding a second 6.5” woofer and dual 8” passive radiators for more low-end output. Rated for both 4 and 8 ohm operation.
Cons: On-axis smoothness (0.274) and listening-window smoothness (0.303) are unremarkable for a tower this size, with a pronounced +0.28dB per octave upward tonal tilt giving it a brighter-leaning balance and a predicted in-room smoothness of just 0.31. Directivity-index standard deviation of 3.33 is unremarkable either way.
How it compares: Just above it: Klipsch Forte IV - $5151 more, 4.8Hz higher bass extension (-3dB). Just below it: Polk Audio XT60 - $120 cheaper, 3Hz lower bass extension (-3dB).
| Country | China |
|---|---|
| Dimensions | 40.4H x 9.25W x 12.5D in |
| Drivers | 1" Terylene dome tweeter, 2x 6.5" Dynamic Balance woofers, 2x 8" passive radiators |
| Enclosure | Ported, critically-braced MDF |
| Impedance | 4/8 ohm compatible |
| Sensitivity | 89dB @ 1W/1m |
| Weight | 35 lbs each |
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