Not only visual device supports 3D-ready, the new Onkyo HT-6300 and HT-7300 are two audio device that support 3D-ready Home Theater in a Box (HTiB).

onkyo-HT-7300-htib

Both Onkyo HT-6300 and HT-7300 home theater systems designed with 4x 3D-ready HDMI 1.4a inputs, capable to handle upscaling up to 1080p using its Faroudja DCDi Cinema processor.

Prices:
Onkyo HT-6300 = USD750.-
Onkyo HT-7300 = USD900.-

[ Source: HotHardware ; Onkyo ]