Feature:1. 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.2. PARAMETER REFERENCE: Rated power: 2W, rated impedance: 8, frequency response: 0 to 20KHz, the maximum distortion is 10%.3. SIMPLE CONNECTION: This micro mobile speaker comes with JST PH2.5mm 2 pin terminal, easy to connect and install.4. STABLE PERFORMANCE: High end magnetic speaker has stable performance, tight sealing, convenient and reliable, providing you with long term service.5. 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 SpeakerMaterial: ABSModel: W1008Rated Power: 2WImpedance: 8Resonant Frequency: 45020%Output Sound Pressure: 883dBFrequency Response: 0-20kHzMaximum Distortion: 10%Storage Temperature: -20 to 55Working Temperature: -20 to 55.Package List:4 x Mini Speaker