XH-M164 NE5532 Stereo Pre-amp Preamplifier Tone Board Audio 4 Channels Amplifier Module 4CH CH Control Circuit Telephone Preamp

Overview

The XH-M164 NE5532 Stereo Pre‑amp Tone Board is a compact, high‑performance 4‑channel audio preamplifier module designed for telephone, intercom, and DIY audio projects. Built around the low‑noise NE5532 dual op‑amp, this board delivers crystal‑clear sound, precise tone control, and reliable channel switching in a single, easy‑to‑install package.

Key Highlights

• Four independent audio channels with dedicated volume and tone controls
• Low‑noise NE5532 op‑amp ensures high fidelity and minimal distortion
• Integrated CH (channel) selection circuit for seamless switching
• Compact PCB layout – fits easily into tight enclosures
• Wide operating voltage range: 9 V – 15 V DC
• Ideal for telephone pre‑amps, intercom systems, car audio, and hobbyist projects

Technical Specifications

• Chipset: NE5532 dual low‑noise operational amplifier
• Channels: 4 (stereo pairs)
• Input Impedance: 10 kΩ per channel
• Gain: Adjustable up to 30 dB
• Frequency Response: 20 Hz – 20 kHz (±0.5 dB)
• Signal‑to‑Noise Ratio: ≥ 100 dB
• Power Supply: 9 V–15 V DC (±5 V optional)
• Dimensions: 55 mm × 45 mm × 12 mm
• Connector Type: 3.5 mm stereo jacks (input & output) and screw terminals for power

Typical Applications

• Telephone line preamplification and tone control
• Intercom and public address (PA) systems
• DIY audio mixers and sound‑effects rigs
• Car audio head‑unit upgrades
• Educational kits for electronics and audio engineering

Why Choose the XH-M164?

This pre‑amp board combines the trusted performance of the NE5532 with a user‑friendly layout, making it perfect for both seasoned engineers and hobbyists. Its four‑channel design reduces the need for multiple modules, saving space and cost while delivering consistent, low‑noise amplification across all channels.

Installation & Support

Plug‑and‑play design with clearly labeled pins. Detailed wiring diagrams and a PDF datasheet are included to help you get up and running in minutes. Our technical support team is ready to assist with any integration questions.