Product Overview 2403 263 00167 6x15x2 mm FRANKLIN HAC Features: - RECEIVER High power, high sensitivity, HAC compatible Additional dust protection meshes on rear 6kHz peak optimized for extended range without additional resonators Pre-loaded springs for mechanical robustness and easy handling Compound membrane for minimum THD, Q-factor and tumbling IPx8 waterproof (tested in 1.5 m water for 30 min.) version available (2403 263 00180) Specifications: Frequency Response Impedance Sensitivity * Air pumping capacity f0 Max sine power 32 70 25 350 20 Ohms dB (1W/m) mm³ Hz mW SPL Max ** 118.5 dB Footnotes: *) average value measured in baffle **) measured at 1 kHz in 3.2 high leak adapter, using max sine power measured on HL3.2 with open back volume (20mW) Knowles Sound Solutions Apr 17 2015