Manuals & Resources

Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker

Brand:|Model: CE40P-8
Dayton Audio’s CE40P-8 is an economical small full-range driver that features a high-output neodymium motor, a lightweight paper cone, a front gasket, and a steel frame with two mounting lobes. 8 ohm impedance.
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List Price$5.99
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Part # 285-117
  • Paper cone with mylar dust cap for extended highs
  • Rugged stamped steel frame
  • High-energy double neodymium magnet motor

Product Details

Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker

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 CE40P-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 a paper cone with mylar dust cap, rubber surround, textile spider, high-performance neodymium motor, and a steel frame with dual mounting lobes for conventional mounting.

Product Specifications
  • Nominal Diameter1-1/2"
  • Power Handling (RMS)2 Watts
  • Power Handling (max)4 Watts
  • Impedance8 ohms
  • Frequency Response200 to 20,000 Hz
  • Sensitivity83 dB 2.83V/1m
  • Voice Coil Diameter0.51"
Thiele-Small Parameters
  • Resonant Frequency (Fs)227 Hz
  • DC Resistance (Re)7.3 ohms
  • Voice Coil Inductance (Le)0.25 mH
  • Mechanical Q (Qms)4.19
  • Electromagnetic Q (Qes)1.63
  • Total Q (Qts)1.17
  • Mechanical Compliance of Suspension (Cms)0.225 mm/N
  • BL Product (BL)1.56 Tm
  • Diaphragm Mass Inc. Airload (Mms)0.6g
  • Maximum Linear Excursion (Xmax)1.2 mm
  • Surface Area of Cone (Sd)6.76 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialRubber
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter1.57"
  • Baffle Cutout Diameter1.41"
  • Depth0.9"
  • # Mounting Holes4
Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker
  • BrandDayton Audio
  • ModelCE40P-8
  • Part Number285-117
  • UPC848791000379
  • Product CategoryMidrange / Midbass Drivers & Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (2 Reviews)
  • Weight0.071 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

View similar products to the Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker
in the Midrange / Midbass Drivers & Full-Range Speakers product category.


Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker
Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker is rated 4.5 out of 5 by 2.
Rated 5 out of 5 by from Very good improvement in Icom R-75 receiverI bought this to replace the Ritz cracker that Icom calls a speaker in my R-75. Fitment was rather easy using the speaker bracket and some rubber shims to hold it securely. It is a good improvement over the old speaker for not much money.
Date published: 2014-06-22
Rated 4 out of 5 by from As describedNice sounding little speaker used to modify an R/C transmitter. 
Date published: 2014-01-21
  • 2015-09-01T07:06CST
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Product Q&A

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please email tech@parts-expresss.com  for a prompt reply.
Dayton Audio CE Series CE40P-8 1-1/2" Mini Speaker

Hi, would it be a problem if I plug 4 of those speakers on an amplifier that take 2x 50 what or would the speakers brake? Thank you. Sebastien

Asked by: Sebg
You can use a 50 watt amp on these but you will just have to watch the volume level. These will not produce much output before they start to reach their limits.
Answered by: MattP
Date published: 2015-06-23

I'd like to replace the defective drivers in my Philips DS1210/37 iPod dock. It has two 1-1/2" drivers, 2 watts, 4 ohms. They appear similar to these, except for 4 ohms instead of 8 ohms. Will I be able to use these for low level music? Thanks!

Asked by: samlau
An 8 ohm driver will work as a replacement but you will get less power from the amplifier due to the increase in impedance. If it is only ever used at low levels this will not be a problem.
Answered by: MattP
Date published: 2014-09-02
  • 2015-09-01T08:01CST
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