NE5532 subwoofer preamplifier with low-pass filter, DC 12V-24V

Features:

1. Fully sealed adjustment potentiometers. The input and output terminals consist of pure copper terminals.
2. NE5532 operational amplifier.
3. With LED indicators to monitor the power status in real time
4. Very high signal-to-noise ratio and strong anti-interference capability. There is almost no noise when there is no signal input.

Specifications:

• Supply voltage: DC 10 - 24V, single power supply
• Frequency range: 22 - 300 Hz
• Audio input: mono or dual channel
• Audio output: Mono
• PCB dimensions: 78 x 32 x 1.6 mm
• Mounting hole: 4x, 3.2 mm diameter

Remark:

• This is a subwoofer preamplifier PCB. No sound is generated when connected directly to speakers. The module must be connected to a pure power amplifier board to form an active subwoofer.
• A number of power supply units can be shared with the power amplifier board to simplify the application.

Scope of delivery:

• 1x NE5532 subwoofer preamplifier with low-pass filter, DC 12V-24V