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SD29T is fully digital signal processing instrument with dual-channel WDRC and LDFR, which jointly provides more possibilities to optimize the fine-tuning of the response curve to the most unique of hearing loss configuration.

  • Miniature design
  • 100% digital signal processing
  • 2-channel WDRC
  • Programmable AGC-O output limiting
  • Direct audio input
  • 3 programmable memories
  • LDFR(level dependent frequency response)
  • Power on delay
  • Feedback manager
  • Programmable noise reduction
  • Programmable audible memory indicator
  • Low battery indicator
  • Suitable for mild ro severe hearing losses
 

EN/IEC60118

&IEC60711

EN/IEC60118

&IEC60126

ANSI S3.22-1996

Max. OSPL90(dBSPL)138130131
OSPL90(dBSPL),1600Hz133123 
HFA. OSPL90(dBSPL)  124
Max. Full-on Gain(dB)686060
Full-on Gain(dB),1600Hz6350 
HFA. Full-on Gain(dB)  46
Frequency Range(Hz)  310-5200
Total Harmonic Distortion(%)   
500Hz≤3≤3≤3
800Hz≤3≤3≤3
1600Hz≤3≤3≤3
Equivalent Input Noise(dBSPL)≤23 typ.20≤23 typ.20≤23 typ.20
Tele-coil Sensitivity(dB)9585 
HFA-SPLITS(dB)  85
Battery Current(mA)1.21.20.9
The complete features of data sheets is available on www.lisound.org