My first thought is "too many syllables"... found I preferred the shorter names like AxiomAir even though I agree that Air is overused. Wondering if starting with something like "a" instead of Axiom might work better.
All that said, if we're talking about the platform rather than a specific speaker I lean towards AxiomLink, but I'm not a big fan of confusing "lifestyle" names and have a strong preference for names that actually describe the product.
Something like "Small wireless speaker" is more to my liking