Written by 
Product Overview
Elevate your DIY audio projects with our 2PCS 2″ 4Ω 3W Small Full‑Range Audio Speaker Stereo Woofer. Designed for Arduino enthusiasts, Raspberry Pi, and compact speaker builds, these high‑performance loudspeakers deliver clear, balanced sound in a compact footprint.
Key Features
- Compact 2‑inch design: Perfect for tight spaces, wall‑mounted, or portable speaker kits.
- 4Ω impedance, 3W power rating: Ideal for low‑power microcontrollers and low‑voltage amplifiers.
- Full‑range performance: Smooth bass, crisp mids, and clear highs for a complete audio experience.
- Sturdy polypropylene cone: Durable and resistant to distortion even at higher volumes.
- Ready‑to‑use pair: Two identical units provide true stereo separation for immersive sound.
- Easy integration: Standard 4‑wire terminal connectors and clear wiring diagram for quick assembly.
Technical Specifications
- Driver size: 2 in (5.08 cm) diameter
- Impedance: 4 Ω (±5 %)
- Power handling: 3 W RMS
- Frequency response: 80 Hz – 5 kHz (full‑range)
- Sensitivity: 88 dB (1 W/1 m)
- Weight: 0.12 kg per speaker
- Operating voltage: 3 V – 5 V DC (typical for Arduino PWM outputs)
Ideal Use Cases
Whether you’re building a custom Bluetooth speaker, a low‑cost home audio system, or a hobbyist project with Arduino, these speakers fit seamlessly into:
- DIY stereo speaker kits
- Arduino audio projects and sound modules
- Raspberry Pi media players
- Portable Bluetooth speakers
- Educational electronics labs
Why Choose This Speaker
Our 2PCS 2″ 4Ω 3W speakers combine affordability with quality. The low power requirement means you can drive them directly from a microcontroller or a small amplifier, while the full‑range design ensures that every note is heard with clarity. Build a professional‑sounding speaker without the bulk or cost of larger drivers.
Price: Original price was: $ 13.65.$ 4.37Current price is: $ 4.37.