Mini Digital Amplifier module USB Charger 3W Dual Track with cable


In stock

SKU: 699587
  1. Input Voltage: 2.5-5.5 V(USB power supply).
  2. Output Impedance: 4 ohms.
  3. Efficiency: 90%.
  4. Frequency Response: 150 Hz – 20 kHz.
  5. Input Impedance: 2 Kohm.


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Brand: Generic
Category: Audio Amplifier Module

The Mini Digital Power Amplifiers 3W Dual Track provides Class AB power amplifier performance with Class D amplifier efficiency. The use of low noise, no filter structure can save the traditional D class amplifier output low pass filter. It requires very few external components, thus saving PCB space and system cost, which is ideal for portable applications.


  1. A d-type amplifier without a filter, low quiescent current, and low EMI.
  2. When connects with a 4-ohm load and 5V power supply, the output power can be up to 3W.
  3. Low THD, low noise.
  4. Short circuit protection; thermal protection.

Package Includes:

1 x Mini Digital Amplifier module USB Charger 3W Dual Track with cable

SKU: 699587 Category:
Operating Voltage

2.5-5.5 V(USB power supply).

Cable Length(mm)


Output Power(Watt)


Input Impedance

2 Kohm.

Output Impedance

4 ohm.



Frequency Response

50 Hz – 20 KHz.

Dimensions in mm (LxWxH)

23 x 23 x 10

Weight (gm)


Shipping Weight 0.01 kg
Shipping Dimensions 3 × 3 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China