Min. Order Reference FOB Price
1 Piece US$110.00-140.00 / Piece
Product Description
Low-frequency Siren Amplifier GF-SK02 YD-100-23 Feature Strong penetrating power: Infrasound waves produce a "low-frequency tremor" that causes the body to feel vibrations. High-quality power devices: adopt digital power amplifier as alarm power amplifier to ensure continuous output ...