Programmable digital sound amplifier with bluetooth V4.0
USD $0.1 - $250 /Piece
Min.Order:5 Pieces
Xiamen Retone Hearing Technology Co., Ltd.
1.Programmable digital sound amplifier with bluetooth V4.0
2. hearing aid & streaming function
3. Easy Rechargeable Battery
4. Directional Mic.
5.Applied to Android & IOS
Mira 400
Signature feature
Digital Processing
4channels WDRC Amplifier
10 bands frequency shaping
Low level Expansion
AGC-O output compression limiting
4 memories provide: quite/noise/music/phone
Low battery warning
Low power consumption
Easy rechargeable & detachable battery
Advantages
Bluetooth V4.0
Self-fit APP
Technical Data
Peak OSPL90(dB SPL) 125
OSPL90-HFA(dB SPL) 120
Peak Gain(dB) 60
HFA/FOG(dB) 50
Reference test gain(dB) 43
Frequency range(Hz) 200-6000
Distortion %
@ 500Hz 1.0
@ 800Hz 1.0
@ 1600Hz 1.0
EQ input noise(dB) 20
Battery Size Custom
Battery Current(mA) 60
ANSI S3.22/2003 &IEC118-7/2005 (HA2-2CC Coupler)
/Data may be subject to change with product refinement