Tough enough for combat and loud enough for a pool party, the DemerBox DB2 is a rugged, waterproof speaker hand-built in the USA. Inside the genuine Pelican case, there are two speakers, dry internal storage, and a battery to keep the music bumping for up to 40 hours. Its waterproof and crushproof, so you can take it anywhere without worrying about damaging your sound system..View DB2 Portable Outdoor Dual Speaker by DemerBox on our site for more info. - The Bespoke Post store has the greatest gear from the world's best small brands. Free exchanges, easy returns and no commitments.