Speaker 4Ω 1W 3 INCH
The Speaker 4Ω 1W 3 INCH is a compact full-range audio solution designed for space-constrained applications requiring reliable sound reproduction. This speaker features a 3-inch diameter cone with 4-ohm impedance and 1-watt RMS power handling capacity, making it an excellent choice for battery-powered devices, portable audio equipment, and embedded electronics projects. The unit incorporates a ferrite magnet structure and paper cone construction to deliver clear audio performance across a practical frequency range. With its robust iron chassis and four mounting tabs, this speaker ensures secure installation in various enclosure types while maintaining consistent acoustic performance.
Features:
- Compact 3-inch diameter design ideal for space-limited applications.
- 4-ohm impedance compatible with most small amplifier circuits and development boards.
- 1-watt RMS power handling suitable for low-power audio applications.
- Full-range frequency response for versatile audio reproduction.
- Durable iron chassis construction with four mounting tabs for secure installation.
Specifications:
|
Parameter
|
Value
|
|---|---|
|
Speaker Type
|
Full-Range
|
|
Nominal Diameter
|
3 Inch (76mm)
|
|
Impedance
|
4Ω
|
|
Power Handling (RMS)
|
1W
|
|
Frequency Response
|
200Hz-15kHz
|
|
Sensitivity
|
84dB @ 1W/1m
|
|
Magnet Type
|
Ferrite
|
|
Cone Material
|
Paper
|
|
Chassis Material
|
Iron
|
|
Mounting
|
4-Tab Configuration
|

Applications:
- Portable Bluetooth speakers and wireless audio devices.
- DIY electronics projects and hobbyist audio applications.
- Arduino and Raspberry Pi sound output systems.
- Intercom and communication devices.
- Educational electronics kits and learning platforms.
- Small home automation audio alerts and notifications.
- Toy electronics and interactive devices.
- Prototype audio systems and proof-of-concept designs.
- Battery-powered portable audio equipment.
- Embedded sound modules in consumer electronics.
Package Include:
1x Speaker 4Ω 1W 3 INCH








