Brand NEW! Including 90 Days USA Factory Warranty. Great-looking and great-sounding, the CE32A-8 miniature speaker driver from Dayton Audio has the goods in a surprisingly small package. Its high-quality design has big-speaker features like an elegant black-anodized aluminum cone, rubber surround, and a neodymium motor. 8 ohm impedance. Key Features Elegant black-anodized aluminum diaphragm Rubber surround and textile spider for low distortion High-energy double neodymium magnet motor Dayton Audio is pleased to introduce the new Commercial Engineering (CE) Series of small loudspeaker drivers. Engineers, designers, and integrators will benefit from how effortlessly these speaker components satisfy the diverse demands associated with consumer electronics and audio-enabled projects. Multiple types and styles are available within the CE Series driver family. Each was produced to provide excellent audio quality no matter what the overall system design goals may be, and to suit a wide spectrum of engineering requirements. These versatile yet economical loudspeakers are available in sizes from 28 mm (1-1/8") to 90 mm (3-1/2") in diameter, and with power ratings from 1.5 watts to 5 watts continuous RMS power. The CE32A-8 provides features you?d expect from a much larger driver, in a size that?s perfect for miniature applications that require wide dispersion and rich, natural sound. Its high-quality design features an elegant black-anodized concave aluminum diaphragm, rubber surround, textile spider, high-output neodymium motor, and a square injection-molded frame drilled for conventional mounting. Product Specifications Nominal Diameter 1" Power Handling (RMS) 2 Watts Power Handling (MAX) 4 Watts Impedance 8? Frequency Response 240 to 20,000Hz Sensitivity 77.9dB 2.83V/1m Voice Coil Diameter 0.5" Thiele-Small Parameters Resonant Frequency (Fs) 274Hz DC Resistance (Re) 7.18? Voice Coil Inductance (Le) 0.29mH Mechanical Q (Qms) 2.84 Electromagnetic Q (Qes) 1.25 Total Q (Qts) 0.87 Compliance Equivalent Volume (Vas) 0.00015ft Mechanical Compliance of Suspension (Cms) 0.69mm/N BL Product (BL) 2.2T·m Maximum Linear Excursion (Xmax) 0.7mm Surface Area of Cone (Sd) 3.92cm Materials of Construction Cone Material Aluminum Surround Material Rubber Magnet Material Neodymium Mounting Information Overall Outside Diameter 1.26" Baffle Cutout Diameter 1.24" Depth 0.57" # Mounting Holes 4 Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) Sealed Volume 0.000229ft Sealed F3 292.5Hz Vented Volume 0.000678ft Vented F3 140.3Hz - All international buyers are responsible for all tax, duties and/or customs fees.