NE5532 Op-Amp Audio Preamplifier Board with Volume Control

NE5532 Op-Amp Audio Preamplifier Board

A high-quality audio preamplifier module built around the legendary NE5532 dual low-noise op-amp IC. Featuring an onboard potentiometer for smooth volume control and a screw terminal speaker output, this board is ideal for boosting weak audio signals before feeding them into a power amplifier stage.

Key Features

• IC: NE5532 Dual Low-Noise Op-Amp (DIP-8 package)
• Onboard potentiometer for volume/gain control
• Screw terminal output (OUT +/−) for easy speaker connection
• 2-pin screw terminal for power input
• Multiple filter capacitors for clean, stable audio
• Red PCB with mounting holes at all four corners
• Compact and breadboard-friendly design

Specifications

• Op-Amp IC: NE5532
• Supply Voltage: 5V–12V DC (dual or single supply)
• Frequency Response: 20Hz – 20kHz
• Input: Audio IN (via header pins)
• Output: Speaker OUT via screw terminal
• Capacitors: 470µF/25V, 100µF/16V, 10µF/35V (multiple)
• Dimensions: ~50 × 50mm

Applications

• Audio signal preamplification
• DIY hi-fi amplifier builds
• Microphone preamp stage
• Guitar/instrument signal boosting
• Arduino/Raspberry Pi audio projects