BCT-2 45 x 25mm Bone Conducting Transducer

Creates sound through vibration transmission

RRP $54.85
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Dayton Audio BCT Transducers produce sound through direct vibration of the bones in the head or are capable of converting surfaces into speakers via vibration when placed on materials such as desks, walls, doors, and many other materials.

Unlike conventional transducers that use moving air to produce sound around you, Dayton Audio BCT-2s (bone conducting transducers) convert the electrical signal into mechanical vibrations so clean, that the brain interprets the vibrating stimulus as excellent sound. Listener's ears are left free to remain aware of their surroundings, increasing personal safety.

When used against materials such as cardboard, wood, steel, and plastics, the BCT-2 operates much like a surface exciter and is capable of moving mass to produce robust sound output; much like an invisible speaker! BCTs are excellent for unique OEM sound applications and for the experimenter, where conventional speakers and exciters cannot be used due to size constraints.

A cushioned, removable stand is included with the BCT-2 to turn your entire computer desk into a speaker without leaving behind marks. Additionally, you can apply epoxy to the stand for permanent attachment to a surface.

Note: The frequency response is given when used as a bone conducting transducer. This will change when attached to a substrate, and different substrate materials will have different frequency responses.


• Creates sound through vibration transmission
• Turns nearly any surface into a speaker
• Cushioned stand keeps your surface scratch-free
• Wide 300 to 20,000 Hz frequency response
• 4 ohm impedance and 10W power handling

Speaker Series Exciters
Model Number BCT-2
Color Silver
Unit of Measure Each
UPC 848791000072
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.3500
Speaker Type Exciter
Power Handling (RMS) 10 watts
Power Handling (max) 20 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity --
Frequency Response 300 - 20,000 Hz
Voice Coil Diameter --
Magnet Weight --
DC Resistance (Re) --
Voice Coil Inductance (Le) --
Resonant Frequency (Fs) 530 Hz
Mechanical Q (Qms) --
Electromagnetic Q (Qes) --
Total Q (Qts) --
Diaphragm Mass Inc. Airload (Mms) --
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) --
Surface Area Of Cone (Sd) --
Volume of Displacement (Vd) --
BL Product (BL) --
Compliance Equivalent Volume (Vas) --
Maximum Linear Excursion (Xmax) --
Driver's Mechanical Losses (Rms) --
Entry / Exit Diameter --
Surround Material --
Voice Coil Wire Material --
Voice Coil Former --
Basket/Frame Material --
Magnet Material --
Overall Outside Diameter 45 mm
Overall Depth 25 mm
Baffle Cutout Diameter --
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --
SKU 848791000072
Model # BCT-2
Brand Dayton Audio
Shipping Weight 0.1589kg
Shipping Width 0.025m
Shipping Height 0.025m
Shipping Length 0.025m
Shipping Cubic 0.000016m3
Assembled Length 0.025m
Assembled Height 0.025m
Assembled Width 0.025m

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