YD77W-32Z-8A

RYD YD77W-32Z-8A is a φ77×20mm voice-band loudspeaker focused on the Fo~1kHz range for speech transmission in industrial equipment, IoT intercoms and smart home systems. Rated power is 2W with 4W maximum, impedance 4Ω, resonance 480Hz and sensitivity 87±3dB. Concentrating energy in the voice band yields direct, understandable announcements without wasting amplifier headroom, which suits corridor speakers, machine operator panels, queue calling systems and two-way audio endpoints. Manufactured under the RYD ISO9001 quality system with RoHS compliant materials. Customization available: sensitivity tuning, impedance, connection style and waterproof or dustproof options; new designs can be developed for volume programs. Contact RYD for installation guidance.