CE38MB-32 1-1/2" Mini Speaker Black 32 Ohm

Lightweight mylar diaphragm

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The CE38MB-32 from Dayton Audio is a versatile mini speaker with a black Mylar diaphragm and a 32 ohm impedance, which makes it a great replacement driver for headphones. Features a lightweight and powerful neodymium magnet, and a steel frame.

The Commercial Engineering (CE) series of speaker 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.

Featuring a smooth-sounding and feather-light Mylar diaphragm and high 32 ohm impedance, the CE38MB-32 driver is the perfect replacement driver for headphones. The 32 ohm impedance makes it an easy load for the integrated headphone amplifier in most portable music devices and phones, while the 38mm frame replaces most 40mm nominal size headphone drivers. It’s also a great fit for other low-power mini speaker applications, such as electronic toys, speakerphones, and intercoms.

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.


• Lightweight mylar diaphragm
• Rugged steel frame with front gasket
• Powerful neodymium magnet
• Suitable for headphone applications

Speaker Series CE Series
Model Number CE38MB-32
Color Black
Unit of Measure Each
UPC 848791001109
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.0300
Speaker Type Mini Speaker
Nominal Diameter 1.50"
Power Handling (RMS) 0.25 watts
Power Handling (max) 0.50 watts
Continuous Program Power --
Impedance 32 ohms
Sensitivity 78 dB @ 1W/1m
Frequency Response 137 - 20,000 Hz
Voice Coil Diameter 12.5 mm
Magnet Weight --
DC Resistance (Re) 31.98 ohms
Voice Coil Inductance (Le) 1.31 mH
Resonant Frequency (Fs) 137.9 Hz
Mechanical Q (Qms) 0.66
Electromagnetic Q (Qes) 1.15
Total Q (Qts) 0.42
Diaphragm Mass Inc. Airload (Mms) 0.06 g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 21.3 mm/N
Surface Area Of Cone (Sd) 4.91 cm²
Volume of Displacement (Vd) 0.05 cm³
BL Product (BL) 1.23 Tm
Compliance Equivalent Volume (Vas) 0.72 liters
Maximum Linear Excursion (Xmax) 0.1 mm
Driver's Mechanical Losses (Rms) --
Cone / Diaphragm Material Poly / Mylar Diaphragm
Entry / Exit Diameter --
Surround Material --
Voice Coil Wire Material --
Voice Coil Former Mylar
Basket/Frame Material Steel
Magnet Material Neodymium
Overall Outside Diameter 40 mm
Overall Depth 5.6 mm
Baffle Cutout Diameter --
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --
SKU 848791001109
Model # CE38MB-32
Barcode # 848791001109
Brand Dayton Audio
Shipping Weight 0.0160kg
Shipping Width 0.057m
Shipping Height 0.013m
Shipping Length 0.057m
Shipping Cubic 0.000041000m3
Assembled Length 0.057m
Assembled Height 0.013m
Assembled Width 0.057m

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