Can I use the Bose USB connection to stream audio to the speakers via the airport extreme from my Mac Book Pro?

I've a Mac Book Pro 13" and Bose Acoustimas V and i intend to buy airport extreme. 2 questions:

1. Can I use the USB of bose with airport extreme to stream audio from my notebook?
2. If I give the input from my DSL modem into the airport extreme, I can browse the internet wirelessly either on my Mac or PC. I hope this is true!

The decision to purchase would depend the answers to the questions above.

Many thanks for any help here!

Bose® Companion® 5 Multimedia Speaker System

Bose® Companion® 5 Multimedia Speaker System

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