YD157M69-45PU4

RYD YD157M69-45PU4 is a φ158×69mm high-power automotive loudspeaker rated at 45W. Specifications: 4Ω impedance, 70Hz resonance, Fo~20kHz range, average sensitivity 89±3dB at 1W/1m, and distortion within 5%. The 70Hz resonance provides genuine low-bass extension, and the 20kHz upper limit preserves treble detail, so one driver can anchor a simple two-position car audio system. It is aimed at OEM and aftermarket automotive audio, commercial vehicles and premium equipment sound. Manufactured under the RYD ISO9001 quality system with RoHS compliant materials. Customization available: sensitivity and impedance tuning, connection style, and waterproof or dustproof treatment; new designs can be developed for volume programs. Contact RYD for system-level acoustic planning.