The bank is selling pin badges with cartoon characters playing musical instruments at a suggested price of £1 at its 2,053 branches.
RNID director of corporate partnerships Lucinda Shaw said teaming up with Barclays would boost the campaign's profile.
DLtM, which launched in 2003, targets 18 to 30-year-olds with the message that exposure to loud music at gigs, clubs and via personal stereos can cause permanent hearing damage.
In September the RNID had a similar link-up with hi-fi retailer Richer Sounds.
RNID director of corporate partnerships Lucinda Shaw said teaming up with Barclays would boost the campaign's profile.
DLtM, which launched in 2003, targets 18 to 30-year-olds with the message that exposure to loud music at gigs, clubs and via personal stereos can cause permanent hearing damage.
In September the RNID had a similar link-up with hi-fi retailer Richer Sounds.
