3W 8Ohm Speaker Price in Bangladesh

The 3W 8Ohm Speaker with 2Pin JST Terminal is a compact dynamic loudspeaker designed for adding audio output to electronic devices, embedded systems and DIY projects. With a 3W rated power and 8Ω impedance, it can be paired with a suitable audio amplifier to produce clear sound in applications where a small speaker is required.

The integrated 2-pin JST terminal makes wiring convenient and helps provide a compact connection compared with loose speaker wires. This makes the speaker particularly useful for electronics projects where space, simple installation and a detachable connection are important.

It can be used with suitable amplifier modules, microcontroller-based projects and embedded devices such as Arduino and ESP32 systems. Since a microcontroller GPIO pin generally should not be used to directly drive a 3W speaker, an appropriate audio amplifier or driver should be used between the controller and speaker.

What Is an 3W 8Ohm Speaker?

The 8Ω rating represents the speaker’s nominal electrical impedance. Speaker impedance is an important parameter when selecting a compatible amplifier.

An amplifier designed to operate with an 8Ω load can be paired with an 8Ω speaker while staying within its intended operating conditions. The speaker’s 3W rating indicates its nominal power-handling capability, but the actual usable output also depends on the amplifier, enclosure, signal and operating conditions.

Key Features

• 3W rated audio output capability
• 8Ω nominal impedance
• Compact and lightweight construction
• 2-pin JST terminal connection
• Easy to integrate into electronics projects
• Suitable for small embedded audio systems
• Compatible with suitable audio amplifier modules
• Useful for Arduino and ESP32 projects
• Suitable for voice and notification applications
• Convenient for DIY electronic devices
• Simple two-wire speaker connection
• Space-saving design

Technical Specifications

Note: Exact dimensions, frequency response, sensitivity, magnet size and JST connector dimensions may vary depending on the specific speaker version supplied.

Working Principle

The speaker converts an electrical audio signal into sound. When an audio signal from a suitable amplifier is applied to the speaker’s voice coil, the coil interacts with the permanent magnetic field inside the speaker.

This causes the speaker diaphragm to move back and forth. The movement produces changes in air pressure that are perceived as sound.

The 8Ω impedance determines the electrical load presented to the amplifier, while the 3W power rating indicates the speaker’s nominal power-handling capability.

Applications

The 3W 8Ohm Speaker can be used in a wide range of electronics and embedded applications, including:

• Arduino projects
• ESP32 projects
• Raspberry Pi projects
• DIY audio devices
• Embedded systems
• Voice notification systems
• Electronic alarms
• Small control panels
• IoT devices
• Smart home projects
• Robotics projects
• Educational electronics projects
• Portable electronic devices
• Audio playback systems
• Custom electronic products

Advantages

Compact Design

Its small form factor makes the speaker suitable for projects where installation space is limited.

3W Power Rating

The 3W rating makes it suitable for a variety of small electronic audio applications when paired with an appropriate amplifier.

8Ω Impedance

The 8Ω configuration is commonly supported by many small audio amplifier modules.

2-Pin JST Connection

The JST terminal provides a convenient two-wire connection and makes installation or replacement easier.

Easy Project Integration

The speaker can be incorporated into microcontroller-based systems through an appropriate amplifier or audio driver.

Limitations

• The speaker requires a suitable amplifier for proper 3W-level operation.
• A microcontroller GPIO should not be used to directly drive the speaker at its rated power.
• Actual loudness depends on amplifier output, enclosure design, audio frequency and speaker efficiency.
• Frequency response and sensitivity vary according to the exact speaker model.
• The 3W rating should not be interpreted as a guaranteed continuous output level under every condition.

Installation & Usage Tips

• Confirm that the amplifier is suitable for an 8Ω speaker load.
• Check the amplifier’s maximum output power before connecting the speaker.
• Observe the correct speaker wiring and connector polarity where polarity is marked.
• Use the supplied 2-pin JST connection for a secure project connection.
• Avoid exceeding the speaker’s rated power.
• Do not connect the speaker directly to mains voltage or an unsuitable power source.
• For better sound quality, install the speaker securely in an appropriate enclosure.
• Keep speaker wiring away from sources of excessive electrical noise where practical.

Using the Speaker with Arduino or ESP32

This speaker can be useful in Arduino and ESP32 projects for generating voice, notification sounds, alarms and other audio output.

However, an 3W 8Ohm speaker should normally be driven through an appropriate audio amplifier module rather than directly from a microcontroller GPIO. The microcontroller can provide the audio signal while the amplifier supplies the current required to drive the speaker.

This approach is useful for projects such as smart devices, robotics, IoT systems, educational projects and voice-enabled electronics.

Why Choose the 3W 8Ohm Speaker?

The 3W 8Ohm Speaker with 2Pin JST Terminal offers a practical combination of compact size, standard 8Ω impedance, 3W power capability and convenient JST connectivity.

It is particularly useful when a project requires a physical speaker rather than a simple buzzer and when easy wiring is important.

Why Buy from ElectroXBD?

ElectroXBD supplies electronic components, modules, sensors, development boards, tools and accessories for students, hobbyists, engineers and electronics projects in Bangladesh.

This 3W 8Ohm Speaker with 2Pin JST Terminal is a useful component for adding audio functionality to Arduino, ESP32, Raspberry Pi, robotics, IoT and custom electronic projects.

Frequently Asked Questions (FAQ)

1. What is the power rating of this speaker?

The speaker has a nominal power rating of 3W.

2. What is the impedance of the speaker?

The speaker has a nominal impedance of 8Ω.

3. Does this speaker come with a JST connector?

Yes. This version is supplied with a 2-pin JST terminal, providing a convenient two-wire connection.

4. Can I connect this speaker directly to an Arduino?

For a 3W speaker, it is recommended to use a suitable audio amplifier or driver between the Arduino and the speaker rather than driving the speaker directly from a GPIO pin.

5. Can I use this speaker with ESP32?

Yes. It can be used with an ESP32 project when paired with a suitable amplifier or audio driver compatible with an 8Ω speaker.

6. Is this speaker suitable for alarms and notification sounds?

Yes. It can be used for audio notifications, alarms, voice prompts and other embedded audio applications when driven by a suitable amplifier.

7. What does 8Ω mean?

8Ω is the speaker’s nominal electrical impedance. The amplifier should be designed to operate safely with an 8Ω load.

8. Can this speaker be used in DIY electronics projects?

Yes. Its compact design and 2-pin JST connection make it suitable for Arduino, ESP32, robotics, IoT, embedded electronics and other DIY projects.

9. Does the speaker include an amplifier?

No. This is a passive speaker. A suitable amplifier is required when the connected device cannot directly provide the necessary speaker-driving power.

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Common Questions:

Q: What is the price of 3W 8Ohm Speaker with 2Pin JST Terminal in Bangladesh?

A: The latest price of 3W 8Ohm Speaker with 2Pin JST Terminal in Bangladesh is 280 BDT.

Q: Where to buy 3W 8Ohm Speaker with 2Pin JST Terminal in Bangladesh?

A: You can buy the 3W 8Ohm Speaker with 2Pin JST Terminal at the best price from ElectroXBD in Bangladesh.