1 Pc 1.5 inch 40 mm Full Range Speaker Unit 4 Ohm 3W Bluetooth Speaker DIY Portable Loudspeaker Tweeter Mid Bass Speaker Woofer

A 1.5-inch 40 mm Full Range Speaker Unit with a 4 Ohm 3W specification is a key component in a Bluetooth speaker. Here’s a detailed description:

• Full Range Speaker Unit: This is a single, all-in-one speaker driver designed to reproduce a wide range of audio frequencies, from low bass to high treble. Full-range speakers are commonly used in compact audio devices like Bluetooth speakers to simplify the design and save space.
• Size: The speaker unit has a diameter of 1.5 inches (approximately 40 mm). It is a small-sized driver suitable for compact audio devices, particularly Bluetooth speakers. The small size allows for portability and space-saving design.
• Impedance: The speaker has an impedance of 4 Ohms. This specification indicates the electrical resistance of the speaker and is an important consideration when matching it with an amplifier. A 4 Ohm impedance is a common value for small audio components.
• Power Rating: The speaker can handle a maximum power input of 3 watts (3W). This power rating determines the maximum electrical power the speaker can receive without sustaining damage. It’s suitable for low to moderately powered Bluetooth speakers.
• Application: This speaker unit is typically used in Bluetooth speakers. Bluetooth speakers are portable wireless audio devices that can connect to various audio sources like smartphones, tablets, and laptops. The full-range design of the speaker ensures it can reproduce a wide range of audio frequencies, making it suitable for music playback and other audio content.