The SAME SKY SD4-4-B is a compact 4mm round micro speaker, perfect for applications where space is a premium. This speaker features a 4 Ohm impedance and delivers 0.4W of audio output, making it suitable for a wide range of small electronic devices, including wearables, IoT devices, and miniature audio systems. Its small size doesn't compromise on sound quality, providing clear and reliable audio performance. As an authorized distributor of SAME SKY components, Supreme Components International ensures you receive genuine, high-quality parts. This micro speaker is easy to integrate into your designs, offering a simple and effective audio solution. Consider the SD4-4-B for your next project requiring a small yet powerful audio component.