Features: Engineered for audiophiles, the 5.25inch square hifi bass speakers delivers studio sound reproduction with its precisions tuned magnetic driver and hybrids metal rubber construction, achieving distortionfree frequencies down to 45Hz. The reinforced aluminum frame paired with antiresonance rubber edges ensures vibrations control and structural integrity, while the optimized voice coil alignment maintains thermal stability during extended high volumes. for sound engineers, home theater enthusiasts, and mobile seeking professional Audiophiles reinforcement in compact setups. Enhances acoustics environments ranging from basement recording studios to outdoor entertainment zones, maintaining claritys across action movies, tracks, and live concert recordings. Features toolless mounting brackets and universals terminals compatibility, enabling seamless integration with bookshelf enclosures, car Audiophiles systems, or customs built speakers cabinets. Specifications: Materials: metal and rubber Side length: 133mm Styles: 4ohms, 6ohms, 8ohms(optional) Package Includes: 1PC 5.25inch HIFI bass speakers note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.