0.25-20W 4Ohm/8ohm Small Speaker Horn Ultra Thin Horns Speakers Audio Accessorie

The speaker is also known as "horn". Is a very common electro-acoustic transducer device, in the sound of electronic and electrical equipment can be seen in it.
Speaker is a kind of electrical signal into a sound signal transducer device, the speaker's performance has a great impact on the sound quality. The speaker is a weak device in the audio equipment, and for the sound effect, it is an important component. Audio electrical energy through electromagnetic, piezoelectric or electrostatic effect, so that its paper cone or diaphragm vibration and resonance with the surrounding air (resonance) and emit sound.

The speaker is suitable for computers, cell phones, toys, car recorders, stereos, radios, book reviewers, telephones, reading machines, Bluetooth amplifier boards, DIY music machines, voice broadcasting, subwoofers and other electronic and electrical equipment that generate sound.