* 건전지 별도구매(제품에 미포함)
Type : Box type (Pocket)
Hearing resistance application range : suitable for hardness and moderate operation
Maximum Output SSPL90:13 dB
Maximum Gain : 61 dB
Shear wave distortion : 1600 Hz 2 %, 800 Hz 3.5 %, and 500 Hz 8.5 %
Noise : 22 dB
Consumption Current : 9.5 mA
Battery power and type : 1.5 volts, AA type
Battery life : approximately 170 hours
Separate battery purchase (not included with product)


