メーカー USound GmbH 分類 Speakers Efficiency - dBA - Efficiency - Testing - Efficiency - Type Sound Pressure Level (SPL) Frequency - Self Resonant - Frequency Range 2kHz ~ 20kHz Height - Seated (Max) 0.064" (1.62mm) Impedance 161 Ohms Ingress Protection - Material - Cone - Material - Magnet - Part Status Obsolete Port Location Top Series - Shape Rectangular Technology Piezo