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Parameter Dimension
Specification Details
Product Model
A018
Product Weight
Cased weight: 18g — Bare PCB weight: 9g
Module Model
1W Audio Amplifier Module (with Built-in Speaker) (A018)
PCB Outline Dimension
48.00mm × 24.00mm
Output Power
1W (8Ω Load)
Supply Voltage
3.3V ~ 5V DC
Onboard Functions
Volume adjustment potentiometer, integrated speaker, power supply filtering
Interface Type
PH2.0 3Pin Socket
Interface Definition (CN1)
Positive power pin, for 3.3V~5V input - VCC
Negative power pin, common ground with MCU - GND
Audio signal input pin, connects to MCU PWM output or DAC signal - S (Signal)
Integrated Design
Amplifier, speaker and potentiometer are integrated on one PCB; no extra wiring required, plug-and-play
Adjustable Volume
Onboard knob potentiometer for manual output volume adjustment
Low Power Consumption
Low quiescent current, suitable for battery-powered portable devices
Easy Integration
Compatible with MCU PWM output, no complicated audio processing circuits needed
Optional Packaging Solutions
① Anti-static bag soft packaging ② White cardboard hanging box ③ Kraft paper box
