Special Performance Audio (SPA)  Waterproof Speakers by PQN Enterprises, Inc. are Designed & Constructed to Meet Today's Most Stringent Conditions.  Perfect for OEM and Custom Product Applications PQN Audio Speakers Meet Performance Standards Required of Hot Tub Speakers and RV Speakers and Will Provide Years of Performance. Our Waterproof Speakers are Specified for Spa Speakers,, Sauna Speakers, Hot Tub Speakers, Marine Speakers, Golf Car Speakers and RV Speakers Installations.  PQN Audio's Special Performance Audio  (SPA) Speakers are Designed and Tested to Survive Heat and Humid Conditions. Chemical Resistances make PQN Audio Speaker Products Perfect for all Spa and Hot Tub Installations. While Providing All-Environment Outdoor Construction Lacking in Many Mobile and Marine Speaker Products. Choose PQN Audio Waterproof Speakers..