Experience rich, balanced sound with the 3-Inch Full Range Multimedia Speaker, available now at Electrapac. This high-fidelity driver is engineered to deliver a broad frequency response, handling everything from crisp highs to warm, punchy mid-bass. With its 2-Ohm impedance, it is specifically optimized for low-voltage digital amplifiers, allowing you to extract maximum volume and efficiency from small power sources. Read more
The 3-Inch Full Range Multimedia Speaker (5W, 2-Ohm) is a high-performance audio component designed for clarity and punchy delivery. At Electrapac, we recommend this speaker for DIY enthusiasts who want to build custom Bluetooth speakers or portable home theater systems that don't sacrifice sound quality for size.
This speaker features a high-compliance rubber edge and a reinforced cone, allowing it to act as a Full Range driver. This means it can handle everything from deep vocals to crisp highs, making it a "one-stop" solution for compact audio projects where you don't have space for separate tweeters and woofers.
2-Ohm High Efficiency: The low 2-ohm impedance allows the speaker to draw more current from low-voltage amplifiers (like the PAM8403 or PAM8610), resulting in a louder output compared to standard 4-ohm or 8-ohm speakers at the same voltage.
Full-Range Clarity: Specially engineered to deliver a balanced soundstage. It captures clear mid-range frequencies (vocals) and sharp highs, making it perfect for podcasts, movies, and music.
Durable Construction: Built with a high-quality treated paper cone and a flexible surround that allows for high excursion, providing surprisingly deep bass for a 3-inch driver.
Versatile Mounting: Features a standard 4-hole mounting flange, making it easy to screw into wooden, plastic, or 3D-printed enclosures.
Compact Footprint: Ideal for "bookshelf" style speakers or portable "boombox" designs where internal space is limited.
To get the best sound from your
Amplifier Choice: This speaker pairs perfectly with Class D amplifiers like the PAM8403 (3W) or the PAM8610 (15W).
Note: Ensure your amplifier is 2-ohm stable for the best results.
Enclosure Tip: For the best bass response, mount this speaker in a sealed or ported wooden box. A box with roughly 1–2 liters of internal volume will significantly enhance the "thump" of the audio.
Wiring: Use 20-24 AWG copper wire to ensure there is no signal loss between the amplifier and the speaker terminals.
DIY Bluetooth Speakers: Build a high-volume portable speaker powered by a 3.7V or 7.4V battery.
Desktop Multimedia: Create custom speakers for your PC or laptop setup.
Arcade/Gaming Machines: High-fidelity sound for bartop arcade builds.
Replacement Part: A high-quality upgrade for broken speakers in standard 2.1 multimedia systems.
We curate audio components that deliver "True-to-Spec" performance. Find this 3-inch speaker, matching amplifier boards, and Bluetooth modules at
| Specifications | Descriptions |
|---|---|
| Speaker Diameter | 3 Inches (approx. 78mm) |
| Rated Power | 5W |
| Impedance | 2 Ω (Ohm) |
| Frequency Response | 100Hz – 20KHz |
| Sensitivity | 88 dB |
| Magnet Diameter | ~45mm (Heavy-duty ferrite) |
| Mounting Height | ~35mm |
| Package | 1 x 1 3-Inch 5W Speaker |
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