Product Name: 23mm 8ohm 0.5W Small Round Speaker for Electronics Product Model NO.: SQ2308 Brand: Jy Certification: ISO9001, CE WORD nChannels: 2.1Channel Usage: Expand Volume, Monitor, High Fidelity Radiation Mode: Indirect Radiation Type Style: Mini Transducer Principle: Dynamic Earphone Cone: Polypropylene and Titanium Edge Transmission Mode: Air-conduction Category: Speaker Dimension: 23mm*8.0h Snr: 88dB Voice Coil Imp: 8ohm Rated(Max.)Power: 0.15(0.2)W Trademark: JY Transport Package: Paper Specification: 28mm*8.0mm Origin: China HS Code: 85318090 Product Description ated Power(W)0.15Max Input Power(W)0.2Rated Impedance(Ω)8±20% at 1KHzResonance Frequency(Hz)1500±20%SPL at 0.1m 0.1W(dB)≥80 @1500Hz,sine waveRated Freq. Range(Hz)500~4000Buzzes & RattlesShould not be audible at 2V sine wave between 300~6000HzOperating Temperature(ºC)-20~+60Storage Temperature(ºC)-30~+70Weight(g)3.0RoHSYes