Single Power Subwoofer Preamp Board (Low-Pass Filter, NE5532)
Key Features:
- Low-Pass Filtering: Removes high-frequency sounds and vocals, enhancing deep bass response
- Designed for Active Subwoofers: Must be connected to a pure power amplifier board for sound output
- Single Power Supply: DC 10-24V, compatible with common amplifier power sources
- High-Quality Components:
- Philips CBB capacitors for frequency tuning
- Taiwanese-sealed potentiometers for precise control
- Pure copper terminals for easy wiring
- Texas Instruments NE5532 Op-Amp: Includes IC socket for easy op-amp swapping and customization
- LED Power Indicator: Monitors real-time power status
- Low Noise & High SNR: Optimized PCB layout ensures minimal interference and high signal quality
Technical Specifications:
- Frequency Range: 22Hz – 300Hz (adjustable)
- Audio Input: Mono or Stereo
- Audio Output: Mono
- PCB Size: 78mm × 32mm, Thickness: 1.6mm
- Mounting Hole Spacing: 70mm × 24mm, Hole Diameter: 3.2mm
- Weight: 30g