Dual channel stereo output 3 W + 3 W power Class D amplifier.
High amplification efficiency 85% can directly drive 4 to 8 Ohm small speakers with good sound quality & noise suppression. Unique without LC filter class D digital power board. Can use computer USB power supply directly. Protection mode is current-limiting with thermal shutdown.
- Operating Voltage: 2.5 to 5 VDC
- Connections: Solder connections
- Sound processor: PAM8403
- Dimensions: 0.9" x 0.63" x 0.08" (23 x 16 x 2 mm)