Tyenaza 4 Ohm 3 W Speaker, Mini Audio Portable Stereo Horn 4 cm Portable Subwoofers for Mini Amplifier Ideal for a Variety of Small Electronic Projects

Precise Acoustic Specifications: Clear Sound & Powerful Bass This 4Ω 3W speaker benefits from optimized settings for exceptional audio performance: Nominal impedance: 4Ω ± 15% (compatible with most amplifiers and music devices). Input power: 3W (balanced for home use or small equipment) Frequency range: 0-20 kHz (covers the entire audible spectrum, from bass to agudos) Resonance frequency: 320Hz (boosts bass for richer texture) Compact Size & Pack of 2: Installation Versatility With dimensions of 4cm x 4cm x 2cm (1.55'' x 1.55'' x 0.75'') and an outer diameter of 40mm, this speaker is ultra-compact—ideal for small spaces (portable speakers, DIY projects, miniature electronics). The pack includes 2 speakers, allowing you to create a stereo setup or replace two units at once—an undeniable value for money. Efficient Electro-Acoustic Conversion: Versatile Use Made with high quality components, it converts electrical energy into sound efficiently, without signal loss. In addition to its main use in enclosures (domestic, portable), it is suitable for: Scientific experiments: Educational projects in electronics or physics. DIY audio: Making small speakers, amplification for toys or custom devices. Its size of 1.6 inches (about 40mm) makes it flexible for all your audio projects. Magnetic shielding: Anti-interference Strong Equipped with a 3W magnetic shielding design, it benefits from an exceptional anti-interference capability—prevents electromagnetic interference from surrounding devices (phones, routers, amplifiers). With a height of 20 mm and an aperture of 22 mm, it ensures undistorted performance, even in electrically active environments: the sound remains clean and stable at all times. Long life and easy to use: Listening pleasure guaranteed Ideal for listening to classical music, string compositions or all your favorite genres, it offers an immersive listening experience. Its robust construction ensures a long service life, while its simple design makes installation easy: it fits standard connectors without special tools or advanced technical knowledge. Perfect for music lovers and DIY enthusiasts!