DMS4004-11

RYD DMS4004-11 is a φ40×5.1mm low-impedance micro speaker rated 2.0W (3.0W max) at 4Ω, with a -40°C to +85°C operating window. Key parameters: 450Hz resonance, 450Hz~20kHz response, 93±3dB sensitivity at 0.1W/0.1m, distortion within 5%. The wide temperature range and 4Ω drive suit automotive voice positions, outdoor IoT devices, industrial equipment and rugged consumer products. Internal-magnet structure with φ12.5×1.5mm neodymium magnet. Manufactured under the RYD ISO9001 quality system with RoHS compliant materials. Customization available: sensitivity, impedance, connection style and waterproof or dustproof treatment; new designs can be developed for volume programs. Contact RYD for environmental specification matching.