Specification Fully DSP-based multi-memory amplifier Mini size and bionic shape 2 channels and multi-bands excellent sound signal digital processing Hidden Volume trimmer Five different size tips for Comfortable and safe wearing Mini size and bionic shape Hidden Volume trimmer Powerful output (110dB) Option: Programming capable Technical info Technical Data NS163MCIC Peak value 108±3dB Output at 1600Hz 103±3dB Maximum Gain 30±5dB Gain at 1600Hz 30±5dB Battery current d0.8mA Equivalent Input Noise d28dB Total Harmonic Distortion d3% l NS163MCIC 10A battery l VC trim, H trim IEC-118-7/94(2cc-coupler)