¥^\cn/)e/^ SOUND SIG^,™sEQUIPMENT THE KAHLENBERG T-OA MARINE AIR HORN IS IMO CERTIFIED FOR BOATS UP TO 65 FEET (20 METERS) IN LENGTH. As WITH ALL KAHLENBERG AIR HORNS FOR PLEASURE CRAFT, THE D-OA HAS BEEN DEVELOPED TO MAXIMIZE AUDIBILITY, WITH A RICHNESS OF TONE BASED ON MUSICAL INSTRUMENT DESIGN. CONSTRUCTED ENTIRELY OF BRONZE AND BRASS IT IS BUILT FOR A LIFETIME OF SERVICE. TECHNICAL DETAILS Electric Power: 12 or 24 Volt DC. (Compressor) Material: Bronze and Cast Brass Finishes: Kahlenberg Chrome Plate,TGIC Sky White Powdercoat, Gold or Black Chrome PVD Certification: ABS, NMMA Certified A-23 FEATURES AND BENEFITS OF THE D-OA AIR HORN INCLUDE: Output exceeds other horns of similar size. Made entirely of brass with bronze diaphragm: (Function of the horn guaranteed for as long as you own it.) Allows for use of a very small compressor/tank kit as compared to other air horns. Easy Installation: Compact Compressor Pump, Fittings, and tubing are easily installed when supplied, KAHLENBERG INDUSTRIES, INC. (see P449-23 and P449-24 Compressor Systems 1100 \?TH STRE,EI' ™\ B°* 3A58