Features MULTIPLE USAGE: This mini speaker can be widely used in face recognition, face payment, all in one machines, advertising machines, laptops, video phones, portable DVDs, LCD displays and more. PARAMETER REFERENCE: Rated power: 2W, rated impedance: 8Ω, frequency response: 0 to 20KHz, the maximum distortion is 10%. SIMPLE CONNECTION: This micro mobile speaker comes with JST PH2.5mm 2 pin terminal, easy to connect and install. STABLE PERFORMANCE: High end magnetic speaker has stable performance, tight sealing, convenient and reliable, providing you with long term service. RELIABLE MATERIAL: This micro speaker offers clear sound for you, which is made of ABS plastic, sturdy and firm, not easy to break. Specification: Item Type: Mini Speaker Material: ABS Model: W1008 Rated Power: 2W Impedance: 8Ω Resonant Frequency: 450±20% Output Sound Pressure: 88±3dB Frequency Response: 0-20kHz Maximum Distortion: 10% Storage Temperature: -20℃ to 55℃ Working Temperature: -20℃ to 55℃ Package List:4 x Mini Speaker Package List Item Type: Mini Speaker Material: ABS Model: W1008 Rated Power: 2W Impedance: 8Ω Resonant Frequency: 450±20% Output Sound Pressure: 88±3dB Frequency Response: 0-20kHz Maximum Distortion: 10% Storage Temperature: -20℃ to 55℃ Working Temperature: -20℃ to 55℃