SDRP40P9-8P40

RYD SDRP40P9-8P40 Φ40mm 8Ω Wideband Driver for High-Fidelity Consumer Electronics and Medical Audiometry. This receiver achieves 122±3dB SPL at 8±15%Ω impedance with ultra-wide 20Hz–40kHz frequency response (IEC318 coupler, 1mW, 1cm). Rated power 40mW (max 100mW), resonance frequency 180±20%Hz. Ferrite magnet Φ27×Φ17×4.0mm, voice coil Φ13.28mm, weight 4.5g. SPL bin sorting available: Bin A 123–125dB (red dot), Bin B 121–122.99dB (blue dot), Bin C 119–120.99dB (white dot). Hand soldering rated for 350±10°C maximum 3 seconds. Operating temperature -20℃ to +60℃. The ultra-wide bandwidth and bin-sorted consistency support hi-res audio playback, audiometric testing, professional monitoring, and precision measurement applications.