• Input: pure tone, warble tone ±5%, 5Hz Sine wave frequency modulation.

• Masking: Both air conduction and bone conduction can do masking

• Computer Interface: USB data transfer interface, can transfer data to computer, and also can set up personalized print reports.

• Output : Air conduction earphone(L/R), Bone conduction earphone(L/R), Insert earphone, Insert masking.

• Transducer : TDH 39 earphone (standard configuration)

• B71 bone conduction earphone (standard configuration)

Remark: 1430