YD57M18-4FE3A-W85C

RYD YD57M18-4FE3A-W85C is a φ57×18mm full-range loudspeaker for automotive auxiliary audio, consumer electronics and industrial voice systems. It accepts 3W rated (4W maximum) input at 4Ω, with 500Hz resonance, a Fo~4.5kHz speech-focused response and 87±3dB sensitivity at 0.5m/1W, operating from -10°C to +70°C. Common uses include in-vehicle notification channels, equipment operation prompts, access control systems and compact multimedia devices. Manufactured under the RYD ISO9001 quality system with RoHS compliant materials. Customization available: sensitivity, impedance, connection method and cable configuration, plus waterproof or dustproof level; volume programs may include new development. Contact RYD for lead wire and mounting details.