NE5532 Tone Board Preamplifier XH-A901

The XH-A901 is a compact, high-performance preamplifier tone control board built around the legendary NE5532 dual op-amp IC — widely regarded as one of the finest audio operational amplifiers for low-noise, high-fidelity signal processing. Designed for audio enthusiasts, DIY speaker builders, and electronics hobbyists, this board provides independent control over Treble, Bass, and Volume, allowing precise shaping of your audio signal before it reaches your power amplifier stage.

Whether you’re upgrading a home stereo system, building a custom amplifier unit, or adding tone control to an existing audio setup, the XH-A901 delivers clean, warm, and well-defined sound with minimal interference. The board’s straightforward wiring interface makes integration into existing audio projects simple and hassle-free.

Compact in size yet powerful in performance, this tone board is an excellent addition to any DIY audio project where sound quality and tonal flexibility are a priority.

Specification:

• Model : XH-A901
• Op-Amp IC : NE5532 Dual Op-Amp
• Controls : Treble, Bass, Volume
• Supply Voltage : DC 9V – 24V (dual or single supply)
• Frequency Response : 20Hz – 20kHz
• Signal-to-Noise Ratio : ≥ 80dB
• Total Harmonic Distortion : ≤ 0.05%
• Input Impedance : 10KΩ
• Channel : Stereo (2 Channel)
• Operating Temperature : -20°C to +70°C
• Board Dimensions : 72 x 42 mm (approx.)