Digital PAM8610 2*15w dual channel stereo class amplifier board 12V
LM386 LOW VOLTAGE AUDIO POWER AMPLIFIER
- Supply Voltage: 4-15V
- Analog input voltage 0.4V (maximum)
- Quiescent Power: 24mW @ 6V
- Voltage Gain: 20 to 200 (26dB to 46dB)
- PSRR: 50dB
- Speaker impedance: 4Ω
- On board power indicator
- On board speaker wiring block
- On board 10k variable resistor, for volume adjustment
- 200 multiplier benefit circuit design
- Available in 8-Pin PDIP,SOIC and VSSOP packages
- Used in AM & FM radio amplifiers, music players, power amplifiers etc.
Red – 2 Channel 3W Digital Power PAM8403 Class D Audio Amplifier Board USB 5V
- Input Voltage: 2.5-5.5 V (USB power supply).
- Output Impedance: 4 ohm.
- Efficiency: 90%.
- Frequency Response: 150 Hz – 20 KHz.
- Input Impedance: 2 K ohm.
- A class D-type amplifier without a filter, low quiescent current, and low EMI.
- Good noise suppression.
- Input audio should be via sheilded wire.
- Dual channel stereo output 3 w + 3 w power.
- Works with 5v power supply.
- Can directly drive 4 /8 Ohm small speakers.
- When connects with a 4-ohm load and 5V power supply, the output power can be up to 3W.
- Low THD, low noise.
- Short circuit protectioN, thermal protection.
- Dimensions: 15 x 20 mm.
PAM8403 DIGITAL AMPLIFIER BOARD
- 3W output at 10% THD with a 4ohm load & 5V power supply
- Output power: 3W
- Supply voltage: 2.5V-5.5V
- Low THD+N
- Superior low noise
- efficiency up to 96%
- Thermal shutdown
- Low quiescent current and low EMI
- Few external components to save space & cost
- High fidelity sound output 3W + 3W, is a rare good product
- High amplification efficiency of 85%
- Unique without LC filter class D digital power board
- Can use computer USB supply directly
- High life expectancy up to 15 years
- Dimension:24*15mm
TPA3118 PBTL digital amplifier board 1X60W 12V 24V Mono AMP
STA 540 Audio Amplifier
- High output power capability
- Minimum external components count:
- Standby function (CMOS compatible)
- No audible pop during standby operations
- Diagnostic facilities:
- Protection