This 3 inch diameter speaker cone is the perfect addition to any audio project where you need an 4 ohm impedance and 3W or less of power. This speaker has 4 mounting holes 60mm apart.
The Grove - Speaker is a module consist of power amplification and voice outputs. The loudness can be adjusted by the on-board potentiometer. With different input frequency, the loud-speaker generated different tones. Coding the music into arduino, DIY yo
This stereo speaker set is a great solution for any audio project where you need an impedance of 4 ohms and power of 3W or less. Because they are sealed speakers they give a full sound despite their small size.