YDA78M29-4P4

RYD YDA78M29-4P4 is an 86×86×29mm automotive loudspeaker with an exceptional -40°C to +95°C operating window. Rated input is 4W (8W maximum), impedance 4Ω, resonance 180Hz, response Fo~20kHz and sensitivity 86±3dB at 1m/1W. Qualification includes 95°C heat endurance, -40°C cold endurance and high-humidity testing, supporting positions in engine-bay-adjacent areas, exterior mirrors with audio, door cavities and industrial equipment in hot climates. Manufactured under the RYD ISO9001 quality system with RoHS compliant materials. Customization available: sensitivity tuning, impedance, connection style and waterproof or dustproof treatment; new designs can be developed for volume programs. Contact RYD for thermal environment matching.