Features: High precisions 30A current shunt with ±0.3% accuracy up to 1KHz, featuring 1mV/A linears output for sound equipment measurements. PCBs construction withstands 15A continuous current (30A for 15min) with 4mm safety banana jacks and 60VDC compatibility. Essential for sound, electronics technicians, and DIY enthusiasts requiring accurate current monitoring in portable systems. for studio speaker calibration, amplifiers load testing, and field measurements of professional sound equipment setups. Current sensings solution integrates seamlessly with multimeters and data loggers through standard 4mm lanterns type voltages terminals. Specifications: Materials: PCBs Size:as picture show continuous operating current: 15A When the working current is 30A, the continuous working time shall not exceed 15 minutes Safe working voltages: 30VAC or 60VDC Accuracy: 0-1KHz 0.3%, 1-5KHz 10A 5% Current voltages ratio: 1mV/1A Current input port: 4mm safe banana socket. voltages output port: 4mm lanterns shaped Package Includes: 1PC DIY 30A Current Shunt note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.