Message: | DESCRIPTION4 channel and 16 frequency digital hearing aid, with noise reduction and feedback cancellation technologies, it provides more affordable solution for clients with mild to severe hearing loss. With 4 preset user programs, useful in different listening environments and compatible with telephones.TECHNICAL FEATURE2nd Generation I-COOL Intelligent Multi-core Digital Signal ProcessorERAC Context Analysis Based Intelligent WDRC Technology4 Independent Compression-Amplification Channels16 Frequency Fine Processing BandsENDR Environment Detector Noise Reduction SystemDFC Feedback Cancellation SystemIntelligent Adjustable Direction Speech Enhancement Technology4 Environment Listening Program ( user programs)Fitting Range up to 105 dBLow Battery Warning ToneAdjustable Warning ToneAdjustable Power on DelayTelecoil ( Optional)Volume ControlNon-programmableProgram Switch ToneTechnical DataAcoMate 420 BTEPeak OSPL90(dB SPL)128.1dBHFA OSPL90(dB SPL)122.2dBPeak Gain(dB)50.7dBHFA Full On Gain(dB)44.3dBTotal Harmonic Distortion:500 Hz(%)≦2%800Hz(%)≦2%1600Hz (%)≦2%EQ Input Noise (dB)≦28Battery Current(Am)1.2Battery SizeA13 url:http://www.acosoundhearing.com |