YD78-13-8F50U

RYD YD78-13-8F50U is a φ78×33mm full-range loudspeaker with an 86mm mounting-hole pattern, designed for automotive, industrial and medical voice applications. It handles 5W rated (8W maximum) input at 8Ω, with 150Hz resonance, Fo~20kHz response and 87±3dB sensitivity at 1m/1W, operating from -40°C to +70°C. The standardized mounting diameter supports drop-in replacement in existing speaker positions on vehicles, machinery and equipment cabinets, reducing redesign work for upgrade projects. Manufactured under the RYD ISO9001 quality system with RoHS compliant materials. Customization available: sensitivity, impedance, connection style and waterproof or dustproof grade; volume programs may include new development. Send RYD your mounting drawing for compatibility confirmation.