XH-M164 NE5532 Stereo Preamp Tone Board — 4-Channel, Adjustable Bass/Mid/Treble, -40°C to 80°C

XH-M164 NE5532 Stereo Preamp Tone Board — 4-Channel, Adjustable Bass/Mid/Treble

The XH-M164 tone control board uses the NE5532 dual low-noise op-amp to provide a 4-channel stereo preamplifier with independent bass, midrange, and treble adjustment — the classic Baxandall tone control topology used in hi-fi amplifiers. Connects between an audio source and power amplifier to shape the frequency response to taste. Operating temperature -40°C to +80°C.

Specifications

• Op-Amp IC: NE5532 (dual low-noise, high-current)
• Channels: 4 (stereo, with 2 inputs selectable)
• Tone Controls: Bass, midrange, treble (independent potentiometers)
• Topology: Baxandall active tone control
• Operating Temperature: -40°C to +80°C
• Signal Path: Input → tone control → preamplifier output

NE5532 — Why It’s Used in Audio

• Ultra-low noise: 5nV/√Hz input noise voltage
• High slew rate: 9V/μs — handles audio transients cleanly
• High output current: ±38mA — drives low-impedance loads
• Industry standard for audio preamplifier and tone control circuits

Typical Applications

• DIY hi-fi amplifier tone control stage
• Audio preamplifier with EQ adjustment
• Home theater bass/treble control
• Guitar amplifier tone stack
• Mixer channel EQ module

XH-M164 NE5532 stereo preamp tone board — 4-channel, adjustable bass/mid/treble for DIY hi-fi amplifier tone control and audio preamplifier projects.

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