Enter the world of amazing electronic sounds and noises. Create or imitate sirens of all kinds by adjusting 3 trimmers. Powerful sound with a 2W amplifier on the PCB.
Specifications:

1. power supply: 8 - 14VDC / 1A
2. modulation speed: 0.5 - 5s
3. frequency: 300 - 6000Hz
4. output power: +/- 2W max.
5. dimensions: 80 x 55 x 15mm/3.14 x 2.16 x 0.6"

assembly_manual_k2604.pdf

illustrated_assembly_manual_k2604.pdf

resistor_colour_code.pdf

module_diy_kit_guide.pdf