Features: A passive radiator system uses the sound energy trapped inside the enclosure to excite resonances, allowing the speaker system to produce deeper bass frequencies. Constructed from ABS materials, this low-frequency radiator is designed to withstand prolonged use. Ideal for audio enthusiasts, this rectangular passive radiator is suited for those looking to enhance their speaker system's performance. Suitable for home, car, or social gatherings, this passive radiator improves sound quality in various environments. Unlock the full potential of your speaker system and enjoy enhanced audio reproduction with this rectangular low-frequency passive radiator. Specifications: Material: ABS Note: Please allow 1 mm error due to manual measurement. Due to differences between monitor displays, the color may not accurately reflect the actual product. Package includes: 1 Piece Bass Speaker Passive Radiator