新型擴音器
Advanced Acoustic Technology Corp. (AATC) AMF Electret Condenser Microphone offers a 4.5V standard operation voltage, 100Hz to 10KHz frequency range, and a 21700 lithium-ion battery. The AMF microphone runs on a 21700 lithium-ion rechargeable battery that provides a higher capacity than the 18650 and is known for its long lifespan and high-density energy. This microphone features noise-cancelling directivity, a 10V maximum operating voltage, and a 2.2KΩ output impedance. Additional specifications include a -51dB ±3dB sensitivity rating, 110dB, and an operating temperature range of -20°C to +60°C.
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Advanced Acoustic Technology Corp. AMF Electret Condenser Microphone4.5V standard operation voltage, 100Hz to 10KHz frequency range, and a 21700 lithium-ion battery.24/10/2024
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PUI Audio MEMS 麥克風採用專業的預先放大 ASIC，可提供高靈敏度和高 SNR 輸出。22/6/2023 -
CHERRY UM Microphones & AccessoriesInclude three first-class sound-quality microphones, a POP filter, and two USB microphone arms.3/4/2023