# Amplifier module with 18650, PAM8403, 2x5W output, Bluetooth, Stereo, SD Card

- Page: https://sigmanortec.ro/en/amplifier-module-with-18650-pam8403-2x5w-output-bluetooth-stereo-sd-card
- Price: 31.36 RON
- Availability: In stock; 1-2 zile
- Reference: 9533 · EAN: 5944558026233
- Category: Mechatronics and IoT > Sensors and Modules > Audio and Sound > Audio Amplifiers
- Specifications: Type: Amplifier; tension: AD; Power: 0 - 20W; Model: PAM8403
- Package (shipping data): 0.039 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 05:21 (Europe/Bucharest)

## Description

Compact solution for audio playback and stereo amplification, offers 2x5W at 4 ohms with PAM8403 class D, plays music via Bluetooth, USB or MicroSD card, is powered at 5V via MicroUSB or from a 18650 battery in a dedicated slot, includes charge management and status LEDs.
Audio playback module with PAM8403 amplifier with 2 channels of 5W each, stereo output 2.0, Stereo D, MicroSD and USB card support.
The module can be powered through the MicroUSB plug or from the 18650 battery inserted in the dedicated slot. It manages the battery charge/discharge parameters, the electronic circuit allows charging the cell when the module is powered with 5VDC via MicroUSB and allows it to operate independently of the cable power source, powered by the 18650 battery.
The LEDs display the operating status and the charging status of the cell (charging, charged).
Specifications:
Supply voltage: 5VDC or 18650 4.2V battery ( Battery is not included )
Supply current: 2A
Integrated class: Class D
Integrated: PAM8403
Standby current: 8-16mA
Output: dual, stereo, two channels
Output power: 2 x 5W (4Ohms)
Signal to noise ratio: 80%
Dimensions mm: 93 x 42 x 25mm
Login:
Content:
1 x Module
2 x speaker connection wires