Dt series Outline dimension(mm)6.25*4.25*2.95 Sensitivity@1000hz(db)104.5 Available impedance range(ohm)3-1000 Thd@nominal drive(%)135 Typical application deband driver for the headsets& headphone Transducer for the blue-tooth headsets Product feature high output Enhanced bandwidth Low thd level Waterproof & rf radiation shielded Substantial mechanical-shock resistance Blister packing