Full Idea
Being subject to the condition of experienceability - that is, necessarily related in some manner to intuition - is not the same as being composed of experiences in any sense (and particularly Berkeley's sense).
Gist of Idea
Objects having to be experiencable is not the same as full idealism
Source
comment on Immanuel Kant (Critique of Pure Reason [1781]) by Sebastian Gardner - Kant and the Critique of Pure Reason 08 'Non-phenom'
Book Reference
Gardner,Sebastian: 'Kant and the Critique of Pure Reason' [Routledge 1999], p.274
A Reaction
This is Gardner's best explanation of why Kant is definitely not a Berkeleyan idealist (who claims objects ARE conscious experiences)