I've always liked Harman Kardon for their design. It also seems relatively well regarded with the audiocrowd. As a future investment, i'm considering their 7.1 amp, the AVR 520. It will replace my ...

I have an old Denon AVR-2307ci receiver and a Rogue Audio Sphinx (v2) integrated amp, and I'm trying to figure out the ideal way to share custody of the subwoofer between the two.