Features: Experience superiorsly sound with our 2840 cavity speaker, featuring impressive sensitivity of 97dB and a power output of 2W, perfectly for enhancing your auditory experience. The small speakers features a broad frequency of 0-20KHz, ensuring clear sound reproduction and long reliability. For creating or upgrading auditory projects and electronic devices. Small size and lightweighted, these speakers easily integrates into displays, interactived kiosks, and multimedia systems. The Speakers comes equipped with 140mm cable length, offering seamlessly connection and easy installation for all your innovative auditory solution. Specifications: Model: 2840 Sensetivity：97dB Power: 2W Impedance: about 4Ω Operating Frequency: 0~20KHz Magnetic circuit form:Internal magnetic circuit Product size: about 40.5x28x11.5mm/1.59x1.1x0.45in Cable length: about 140mm/5.51in Quantity：2PCS Package Includes: 2PCS Speakers note: Due to problem of lighting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement