[elecena] 3W 4Ohm Mini Speaker ø40mm - for DIY, Arduino Projects - zmiany ceny 3W mini speaker with diameter of 40mm and impedance of 4 Ohm for use in Arduino and other DIY projects. It can signal an alarm, play specific sounds, etc. No cables included, only speaker with soldering pads. Technical data Power: 3 W Impedance: 4 ohms Speaker diameter: 40 mm Height: 18 mm 3W 4Ohm Mini Speaker ø40mm - for DIY, Arduino Projects - 2.69 EUR https://elecena.pl/product/22615689/3w-4ohm-mini-speaker-40mm-for-diy-arduino-projects 2023-02-22 3W 4Ohm Mini Speaker ø40mm - for DIY, Arduino Projects - 3.31 EUR https://elecena.pl/product/22615689/3w-4ohm-mini-speaker-40mm-for-diy-arduino-projects 2025-10-29