MAX4466 Electret Microphone Amplifier with Adjustable Gain Module

Specifications :

1. Amplifier IC : TDA2030A
2. Operating Voltage (VDC) : 6~12
3. Audio Output : 18W max.
4. Length (mm) : 32
5. Width (mm) : 22
6. Height (mm) : 23
7. Weight (gm) : 12

Specifications:

1. Signal output Indication
2. Single channel signal output
3. The output effective signal is low level.
4. Main chip: LM393, Electret condenser microphone
5. Working voltage: DC 3.3-5V
6. Induction distance is 0.5m

Specifications

• Voltage: 4.5-5.5V
• Current: <40mA
• Digital Interface: 5V TTL level for UART interface and GPIO
• Analog Interface: 3.5mm mono-channel microphone connector and microphone pin interfac
• Size: 31mm x 50mm
• Recognition accuracy: 99% (under ideal environment)

Specifications:

1. Operating Voltage Range: 5V – 5.5V.
2. Max Gain: 24 dB
3. Current Handling Capacity: 8 mA
4. Efficiency: 87 %.
5. Amplifier: IC PAM 8403.
6. Load Can direct drive 4 or 8 ohm small speakers.

Specifications:

1. Input Supply voltage (V)  :2.8 ~ 5.5
2. Current consumption (sleep mode) (µA) :10
3. Sampling frequency (kHz): 6 ~
4. Built 13Bit/DA converter, and 12Bit/PWM output.
5. Support for loading WAV audio formats