Product Overview 2403 260 00001 11x15x3.5 mm DONAU SPEAKER Features: Industry reference standard Compound membrane for minimum THD, Q-factor and tumbling Very good performance/price ratio Pre-loaded springs for mechanical robustness and easy handling Impedance Sensitivity * Air pumping capacity Typical backvolume Total volume f0 (typical backvolume) Nominal power ** SPL Max *** Max sine power Frequency Response 8 73 69 1 1.57 800 500 89 350 Ohms dB (1W/m) mm³ cm³ cm³ Hz mW dB mW 105 35 100 30 95 25 90 20 85 15 80 10 75 5 70 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 THD [%] Specifications: SPL [dB rel 20uPa] - 0 100 1000 f [Hz] SPL 10000 THD measured in IEC baffle at 350mW in 10 cm distance with 1ccm back cavity Knowles Sound Solutions May 16 2013