Audio Supply, Inc.

The WMS-1B Underground Listening Device (or Yellow Box) has proven effective in reducing the costs that accompany unwanted utility line hits.

Originally developed by Audio Supply to serve the HDD market, the WMS-1B Underground Listening Device (also referred to as the Yellow Box) has proven effective in preventing expensive gas line, water line and sewer line hits.

The WMS-1B wireless monitoring system, also referred to as the Yellow Box, has proven to reduce the costs that accompany unwanted utility hits.

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