We can get 17 units into Australia from DFRobot. If you order today, we can dispatch this stock between Nov 29, 2024 - Dec 16, 2024.
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.
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.
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