Features Immersive Sound Experience, Enhanced by HIFI NE5532: Elevate your audio journey with our Tone Board HIFI NE5532 Preamplifier. Designed with the high-quality NE5532 amplifier chip, it delivers exceptional audio clarity, taking your listening experience to new heights. Tailor Your Sound, Personalize Every Detail: Unleash your inner audiophile with our preamp module. With precise bass, treble, balance, and volume controls, you have the power to shape your sound exactly the way you want it. Fine-tune the audio to perfection, adding depth, warmth, and brilliance to your favorite tracks. Seamless Integration, Compatibility at its Core: Our Tone Board HIFI NE5532 Preamplifier is designed to seamlessly integrate into your existing audio setup. With its universal compatibility, it works with a wide range of audio devices, including amplifiers, speakers, and headphones. Simple Using: Compatible with 2.54mm and 5.08mm connectors, the output is DC12V, and frequency range is 20‑20KHz. Easy Installation, Plug-and-Play Convenience: No technical expertise required. Our preamp module offers hassle-free installation, allowing you to enjoy your enhanced audio experience in no time. Simply plug it in, adjust your settings, and let the magic unfold. Specification: Item Type: Tone Board Chip Model: 2 x NE5532, 7812, 7912 Input Voltage: AC dual 12V-18V. Structure: Dual 5532 high, middle and low, 3 sections continuously adjustable. Frequency Range: 20-20KHz Features: DC12V output, input and output 2 kinds of interfaces. Input Interface: Approx. 2.54mm / 0.1in interface, 5.08mm / 0.2in terminal. Output Interface: Approx. 2.54mm / 0.1in interface, 5.08mm / 0.2in terminal. Adjustment Type: Treble + Midrange + Bass + Total Volume Appearance Size: Approx. 100 x 43.5 x 23mm / 3.94 x 1.71 x 0.91in Mounting Hole: M3 (Diameter: Approx. 3.3mm / 0.13in) Package List:1 x Tone Board8 x Accessory Note:Compatible with 2.54mm and 5.08mm connectors. When using, only select one interface to input or output. Package List 1 x Tone Board 8 x Accessory