<https://ecmicrophones.com/ja/15mm-dynamic-microphone-replacement-cartridge-for-loudspeakers/#richSnippet>
<http://schema.org/description>
"The ECM-DM1508K250 is a 15 x 8 mm dynamic mic capsule pickup with -61dB±3 sensitivity, perfect for KTV microphones, headset microphones for meetings, and communication transducers."
<https://ecmicrophones.com/ja/15mm-dynamic-microphone-replacement-cartridge-for-loudspeakers/>