These are 2 ruggedized units with a QD connector for high noise environments: SHR2082-01 (Monaural) and SHR2083-01 (Binaural).
Model SHR2233-01 also has a QD & 3.5mm plug but is intended for use with Spectralink Telephone systems
The QD connector can be used with our standard amplifiers such as the P10, M12, SHS1890 or A20.
Please see the on line compatibility guide to see what amplifier your telephone may require.
Please contact our Technical Support Specialist Department @ 1-800-544-4660 x5547 if more information is needed.
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