Brand NEW! Including 90 Days USA Factory Warranty. Dayton Audio?s CE38M-8 is a lightweight and versatile mylar-diaphragm mini speaker with a rugged plastic frame and neodymium magnet. It?s a great choice for new design or replacement use in headphones, kiosks, electronic games, or portable electronics. Key Features Lightweight mylar diaphragm Rugged molded plastic frame Powerful neodymium magnet Light weight, low cost The Commercial Engineering (CE) Series drivers from Dayton Audio provides engineers, designers, and integrators with a line of economical small drivers that fit the diverse range of applications found in consumer electronics and audio-enabled electronic projects. The Dayton Audio CE38M-8 1-1/2? mini speaker features a feather-light and smooth-sounding Mylar diaphragm and a lightweight injection-molded plastic frame, making it great for portable electronics and headphones. The high sensitivity also enables it to be used as a speaker in kiosks, intercoms, displays, or electronic games, and the 8-ohm impedance works with most small audio amplifiers or line-level outputs. The round frame can be press-fit or glued in place. Note: The Mylar diaphragm is very fragile. To prevent damage, avoid contact with the diaphragm when handling. This driver should be installed behind a grille. Product Specifications Nominal Diameter 1-1/2" Power Handling (RMS) 0.25 Watts Power Handling (MAX) 0.5 Watts Impedance 8? Frequency Response 190 to 20,000Hz Sensitivity 75dB 2.83V/1m Voice Coil Diameter 0.5" Thiele-Small Parameters Resonant Frequency (Fs) 191.8Hz DC Resistance (Re) 7.72? Voice Coil Inductance (Le) 0.17mH Mechanical Q (Qms) 1.59 Electromagnetic Q (Qes) 4.45 Total Q (Qts) 1.17 Mechanical Compliance of Suspension (Cms) 9.68mm/N BL Product (BL) 0.39T·m Maximum Linear Excursion (Xmax) 0.1mm Surface Area of Cone (Sd) 4.9cm Materials of Construction Cone Material Poly / Mylar Diaphragm Magnet Material Neodymium Mounting Information Overall Outside Diameter 1.65" Baffle Cutout Diameter 1.45" Depth 0.3" - All international buyers are responsible for all tax, duties and/or customs fees.