4Pack 2Inch 4 Ohm 5W Round Bass Speakers – 63mm Diameter, Quality Audio for DIY and Home Projects Enhance your sound system with this set of four 2inch round bass speakers, engineered for clear audio reproduction and versatile installation. Designed for hobbyists, DIY builders, and home audio enthusiasts, these compact yet powerful speakers deliver dependable performance across a wide frequency range. Key Features: Includes four 2inch (63mm) round bass speakers for balanced and consistent sound Impedance: 4 ohm for compatibility with a wide range of amplifiers and HiFi systems Rated power: 5W, suitable for small to midscale audio projects Height: 31mm for easy installation even in compact enclosures Minimum resonant frequency: 135Hz ± 20% Frequency response: from resonant frequency (F0) up to 20KHz Sensitivity: 87dB output sound level for clear and audible playback Distortion rate: less than 5% for accurate sound reproduction Coaxial connector for straightforward and reliable connectivity Paper body construction for lightweight portability without sacrificing sound quality No builtin power source, making them ideal for integration into existing systems Practical Applications: 1. DIY Home Amplifiers – for building or upgrading custom home audio projects, offering precise sound response in a compact size. 2. HiFi Speaker Systems – Works well as replacement drivers or additional speakers in existing setups, enhancing vocal clarity and bass depth. 3. Audio Interface Boxes – Suitable for integration into audio extension boxes, studio test equipment, or portable sound devices. Performance and Compatibility: These speakers are engineered for home audiovisual applications and other HiFi projects where clear sound, portability, and reliable performance are essential. Their compact dimensions make them easy to fit into tight spaces without compromising on output quality, and their 4 ohm impedance ensures compatibility with most small amplifiers and sound systems. Whether you are repairing, upgrading, or creating a custom speaker system, this 4pack offers the right balance of size, efficiency, and sound clarity for a range of audio solutions.