“EQUIPMENT: PUBLIC ADDRESS & TALK BACK SYSTEM;
MAKER: JAPAN RADIO CO.;
MODEL: NVA-1800MKII;
ASSEMBLY: NVT-200 DYNAMIC MICROPHONE (WATER PROOF TYPE) / DZ-10 NVT-200;
MAKER: JRC.” NVT-200 DYNAMIC MICROPHONE; MAKER: JRC JAPAN RADIO CO., LTD. Type: NVT-200 F (25 meters)40Ω; MATERIAL: HEAT RESISTANT ABS JRC.NVT-200.NA