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Bone Conduction Kit

30,09 €
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Bone Conduction Kit

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Bone conduction is a way of sound transmission. The sound is converted into different frequencies of mechanical vibration, and transmitted through human skull, bone labyrinth, inner ear lymphatic transmission, helix, auditory nerve, auditory center.

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Bone conduction headphones
This kit is composed by a bone conduction speaker, a speaker driver board and other kinds of accessories. This kit is intended to help understand the principles of bone conduction technology, making hearing aids or bone conduction headphones.
The speaker driver board is designed based on MAX9814 microphone amplifier and PAM8406 amplifier, high sensitivity, suitable for 3.6v-4.2v lithium battery power supply. It comes with a potentiometer which has power switch function, easy to control.

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Components Description
Volume Switch
Power Input 3.0~5.5V
AGC Switch Plugged: AGC OFF  Unplugged: AGC ON
Audio Input Audio Input 
Audio Output Audio Output (L/R)
Gain

GAIN = VDD, Gain = 40dB；

GAIN = GND, Gain = 50dB；

GAIN = Vacant, Gain = 60dB。
A/R

Activate/Release ratio, Control the AGC activate/release time ratio:

A/R = GND: Activate/Release ratio = 1:500

A/R = VDD: Activate/Release ratio = 1:2000

A/R = Vacant: Activate/Release ratio = 1:4000

SPECIFICATION

Operating Voltage: DC 3.0-5.5v Board Wiring Pitch: 2.54mm Phone Cable: 100cm Speaker Cable: 30cm Headphone Size: 13mm (D) * 5mm (H) Board Dimension: 50 * 20 mm/1.97*0.79 inches Weight: 36g

SHIPPING LIST

Bone conduction speaker x1 Speaker driver board x1 3.5mm earphone cable x1
DF-KIT0126