52mm 3W 4 Ohm Full Range Speaker Units | DIY HiFi Stereo

$12.78 USD $14.34 USD

52mm Full Range Speaker Units — DIY HiFi Stereo Sound, 3W 4 Ohm

Upgrade your DIY audio builds with these compact yet powerful 52mm (2-inch) full range speaker units. Rated at 3W with 4 Ohm impedance, these square-frame loudspeakers deliver clear, well-balanced stereo sound across a wide frequency range — making them perfect for custom enclosures, Bluetooth speaker projects, desktop audio systems, and more.

Whether you're a hobbyist, maker, or audio enthusiast, these speaker drivers are an excellent building block for your next HiFi project. Available in packs of 2 to 6 so you can get exactly the quantity you need.

Key Features

Full Range Performance: Covers a broad frequency response from F0 to 10,000 Hz for rich, detailed audio reproduction
3W Power / 4 Ohm Impedance: Efficient, low-impedance design compatible with a wide range of amplifier boards and DIY circuits
52mm (2-inch) Diameter: Compact square frame fits neatly into custom enclosures and portable speaker builds
85 dB/W Sensitivity: High sensitivity for clear, audible output even at lower power levels
Stereo 2.0 Configuration: Designed for standard left/right stereo channel setups
Durable Metal Construction: Hard-shell, metal build ensures long-lasting durability in DIY and permanent installations
Versatile Use: Ideal for Bluetooth speaker enclosures, desktop speakers, intercom systems, and more
Multi-Pack Options: Choose 2, 3, 4, 5, or 6 units depending on your project requirements

Technical Specifications

Speaker Type: Full Range Speaker Unit
Diameter: 52mm (2 inches)
Impedance: 4 Ohm
Power: 3W
Sensitivity: 85 dB/W
Frequency Response: F0 – 10,000 Hz
Audio Output: Stereo (2.0 Channel)
Material: Metal (Hard Shell)
Water Resistance: Not water resistant
Country of Origin: Made in China

What's in the Box

2–6 x 52mm Speaker Units (as selected)

Frequently Asked Questions

Q: What projects are these 52mm full range speaker units best suited for?

A: These 52mm, 3W, 4 Ohm full range speaker units are ideal for DIY Bluetooth speaker enclosures, desktop HiFi stereo builds, intercom systems, custom audio boxes, and any maker project requiring a compact, reliable loudspeaker driver. Their square frame design makes them easy to mount in a variety of enclosure styles.

Q: Are these speaker units compatible with standard amplifier boards?

A: Yes. The 4 Ohm impedance and 3W power rating are widely compatible with popular DIY amplifier modules, including PAM8403, TDA7297, and similar boards commonly used in hobbyist audio projects.

Q: Do these speakers require any additional components to work?

A: These are raw speaker driver units and will require an amplifier board and power source to produce audio. They are not standalone Bluetooth speakers — they are components intended for DIY audio builds and custom enclosures.

Q: Can I use these in a stereo setup?

A: Absolutely. These speakers are designed for stereo 2.0 channel configurations. Purchasing a pair (2 units) gives you one driver for the left channel and one for the right, forming a complete stereo setup.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.