​The JF-20DX Geophone is well-suited for a variety of applications including oil exploration, mining, engineering and scientific research. Available in two different cases, land or marsh, the JF-20DX also has a selection of optional frequencies: 10 Hz, 14 Hz, 28 Hz and 40 Hz.

Recognized for its high level of reliability, this geophone is capable of increasing the productivity and efficiency of seismic crews. The JF-20DX is built under strict quality control processes to ensure consistent performance in even the roughest environments, as well as a long operational life.