The 2” x 6” inch exponential horn has full 90° included angle horizontal dispersion. With an impedance of over 400Ω at 1kHz, and still above 20Ω at 40kHz, the piezo ceramic speaker presents no added load to the amplifier and rejects low frequency power without requiring a crossover network. Electrically, these piezo ceramic speakers appear as 0.3µF capacitors and exhibit high efficiency (40 – 50%) in converting electrical energy into acoustical energy.

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