Audio tuning: carefully crafted, perfect sound Herdio has a professional and passionate audio tuning team, with their exquisite skills and keen sense of hearing, they are carefully tuned for each type of audio. Whether it is the wide soundstage of outdoor wall-mounted speakers, or the delicate sound quality of home indoor ceiling speakers, or the powerful dynamics of sports waterproof car and boat speakers, all of them can show their unique charms in different scenarios, and bring you a soul-stirring auditory feast.