Product Overview 2403 263 00301 11x15x3 mm DONAU SLIM SPEAKER Features: - Industry classical performance, slim design for easier mechanical integration Compound membrane for minimum THD, Q-factor and tumbling Very good performance/price ratio Pre-loaded springs for mechanical robustness and easy handling IPx8 waterproof (tested in 1.5 m water for 30 min.) version available (2403 263 00134) Specifications: Impedance Sensitivity * Typical backvolume f0 (typical backvolume) Nominal power ** SPL Max *** Max sine power Frequency Response 8 73 1 800 600 91 600 Ohms dB (1W/m) cm³ Hz mW dB mW Footnotes: *) average value measured in baffle **) using shaped noise signal according to product data sheet ***) average value measured in baffle in 0,1 meter distance at max sine power, in typical backvolume measured in IEC baffle at 600mW in 10 cm distance with 1ccm back cavity Knowles Sound Solutions June 10 2014