This unit process represents the production/service of 1JPY of electro acoustic transducers ,in Japan created from statistical information and other sources.
This product includes Speaker (Cone-Shaped, Horn-Shaped, Piezoelectric Type), Earphone Cartridge, Microphone Cartridge, Sounder, Buzzer . The system boundary of this process is "(electric wire coil and plastic products for electric machinery and appliance etc.) -> processing/assembly -> packing."
Electric audio and accessories (finished) are classified as <2814>.