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Amazon.com: Polk Audio Monitor 70 Series II Floorstanding Speaker (Black, Single) for Multichannel Home Theater | Hi-Res Audio with Deep Bass Response | 1" Tweeter, (4) 6.5" Woofers | Bi-Wire & Bi-Amp :
Bi-Amp High-Frequency and Low-Frequency on denon avrx4400h with KEF R500 | Audioholics Home Theater Forums
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