1,1.38in Headphone Jack: The input board uses 3.5cm or 1.38inch headphone jack for input, supports 250Kh, 2.5V analog signal and stereo input, and is compatible with audio and video recording devices. 2,10 Pin Channel: This audio tape input board adopts J15 ADC CON 10 pin channel, near for de 10nm Gigabit Ethernet port. 3,Supported Core: This analog audio input is suitable for AliceMC10, for CPC 6128, for Acorn Electron, for Color Computer 2, for 48 and 96, for MSX1, for Oric 1, for Oric, for PMD85, for ZX Spectrun, for ZX Spectrum. 4,Durable Material: This ADC Input for FPGA De10 is made of premium and reliable PCBA board material, which is strong and highly durable. 5,High Accuracy: This video audio tape input for FPGA De10 features high accuracy, which can be easily installed and detached, saving time and effort. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.