Experience superior audio control with the XR1075 Preamp Tone Board. Enhanced Sound Quality: Equipped with XR1075 technology for crisp, clear audio enhancement. Flexible Tone Adjustment: Easily adjust treble and bass levels to suit your audio preferences, perfect for audiophiles seeking precision. Versatile Use: Ideal for various audio setups, enhancing both home and professional environments. Design: Built with high-quality components to reliability and in all your audio endeavors. Product name: digital audio processor Working current: 15mA Product model: 008188 High frequency enhancement range: 0.5-+13dB Chip model: XR1075 ( chip) Audio input: onboard interface Power supply voltage: typical value is 12V Low frequency compensation range: -0.5-+13dB Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:As Shown Material:PCB Package Contents: 1 x Digital Audio Processor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.