| Technical Parameters |
|
| Extended range function: | If it is not selected, AC output restrictions smaller than maximum output 20 dB |
| 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 Air conduction earphone (standard configuration) Ear~Tone 5A Insert earphone (Optional) B71 bone conduction earphone (standard configuration) |
| Monitor function: | Optional |
| Feedback words : | Built-in feedback words microphone. 50-90 dB SPL can be continuous adjust in panel. |
| Send test voice: | Manual or automatic/ Monopulse/ Multiple-pulse |
| Frequency selection :. | If you need to fast test, you can select 250 Hz,750 Hz,1500Hz, 4k Hz or 6k Hz |
| Display : | Letter-figure |
| Patient signal: | Responser |
| Structure : | Engineering plastic shell |
| Attenuator control : | Standard rotary switch (can choose Push-button switch) |
| Power supply: | Outer type regulated power supply (standard configuration), 220-230V,50-60 Hz |
| Fuse : | T2A Built-in fuse |
| Size : | 45cm*30cm*7cm |
| Net Weight : | 1775g |
| Standard accessory: | TDH39 Air conduction earphone, B71 Bone conduction earphone, Responser, power cable, USB cable, CD software, Audiogram. |

















