D302 Stereo Digital Power Amplifier Board 30Wx2 Dual Channel 2.0 Wide Voltage DC 12V Class D Output Short-circuit Protection

This is a 60W Stereo Digital Power Amplifier Module Dual Channel 102dB DC 12V Class D.

Feature:

• Small size, only the width of two fingers.
• The power is very large, and it is easy to push 100-300W stage speakers without distortion.
  
• Transparent sound quality, high signal-to-noise ratio, strong resolution, and wide dynamic range.
• With output short-circuit protection, it will resume normal work immediately after troubleshooting.
• The heat generation is small, almost no heat is generated when the 12V power supply is supplied, and it can work stably and uninterruptedly for a long time.
• High working efficiency, up to 100%, low static power consumption, only 11mA.
• The base material is 1.6mm thick and high hardness FR-4 double-sided board.

Parameter:

• Product name: Pure post-stage digital power amplifier board
• Model: SFT-D302/Gold-601
• Working mode: Class D (PWM modulation)
• Channel type: Dual channel 2.0
• Power supply: DC 7.5-24V ≥ 2A
• Output power: 15~30W*2(4-8ohm)
• Recommended speakers: 30-300W
• Signal-to-noise ratio: 102dB
• Quiescent Current: 11mA when 12V power supply
• Work Temperature:-40℃~85℃
• Work Humidity: 5%~95%RH
• Size: 50mm*30mm*15mm

According to the impedance of the horn, select the appropriate power supply:

1. It is recommended to use a DC power supply such as a switching power supply or a battery. The horn impedance is different and the voltage range is different.
2. When using a 4 ohm speaker, the voltage is 7.5-16V, the current is 2A or more, and the output can reach 22W. When it is close to 16V, the heat sink should be added.
3. When using a 8 ohm speaker, the voltage is 7.5-24V, the current is 2A or more, and the output can reach 30W, no need to add a heat sink.