Features: Designed with the TA7668 dedicated front end amplifier chip, this preamplifier board deliver clear sound amplification for magnetic heads in vintage deck Features upgraded motor and switching interfaces, XH2.54 connectors with 30cm cable, and a compact 50x50x23mm ABS housing for flexible integration into retro sound systems. Ideal for audiophiles, electronics enthusiasts, and technicians restoring tape drives, gramophones, or analog sound setups requiring magnetic head boosting. Perfect for enhancing sound quality for home stereo systems, vintage radio repairs, or digital conversion projects where stable low noise amplification is critical. The built in rectifier circuit ensures compatibility with multiple power sources, while maintain for authentic analog sound reproduction Specifications: Component:ABS Size:Approx.50MM/1.96inch Package Includes: 1Pc Preamplifier Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.