KIBVOE Personal Sound Amplifiers for Ears with Noise Reduction, 8 Channel In-Ear Amplifier Suitable for adults & Sound Amplifier

【8-channel Digital Amplifier】- 8 channel is not only a number, it’s designed based on reliable data and science. KIBVOE has been in this industry for years and accumulated enough experience to develop a mature product. 8 channel is known as the effective channels that human ear can sense. Transient block-up of loud noise can greatly protect and provides better wearing experience. 【Intelligent Noise Reduction】- Inside DSP intelligent environmental noise reduction chip. Our digital amplifier with noise reduction help you enjoy clear sound. When the device is taken out of the charging box, there is a 5-second start-up delay to avoid any squealing, After use, put it directly into the box, and amplifier will automatically shut down. 【Lightweight and comfortable】- 3 sizes of dome ear caps are suitable for different groups of people to wear, the soft silicone material makes the ears more comfortable, does not hurt the ears, and also ensures stable and long-lasting wearing, which solves the pain of long-term wearing of Amplifier 【Long-lasting Battery】- Using smart charging chip, magnetic charging efficiency is high. The amplifier can be fully charged within 2 hours and can be used for 45 hours. The charging box can be fully charged within 3 hours, and the charging box can be used to charge two earphones 4 times. 【Simple operation】- press and hold for 5 seconds to turn on and off the machine (put it into the charging compartment to automatically shut down) Volume adjustment：press once to switch the volume (1-5 gears cycle switching) the machine has a memory function and can be used when it is turned on 【3 Professional Modes】- Normal Listening Mode,Noise Environment Mode,Tinnitus Masking Mode, to make sure you can enjoy the real world around you, perfect for the people with mild to moderate.(In tinnitus masking mode,the device will produce white noise to cover the tinnitus and help relief the discomfort) 【After-Sales Service】- Our team of professionals is ready to help you with any problem 24/7. If you have problems with our amplifier, please contact us directly. Enjoy a high-quality product with confidence. Specifications Maximum Output: ≤115dBSPL Average Output: 106±4dBSPL Peak Gain : 38±5dB Average  Gain : 33±5dB Frequency Range: 500Hz~4000Hz Total Harmonic Distortion（THD）500Hz ：0.9% Total Harmonic Distortion（THD）800Hz ：0.6% Total Harmonic Distortion（THD）1600Hz ：0.4% Equivalent Input Noise ≤12dB Operating Power Supply ≤1.1mA Rated Working Voltage of Amplifier: 3.7V Package List 2 × Amplifiers 1 × Charging Case 1 × Instruction manual 1 × Operation Guide 1 × Cleaning Brush 1 × USB Cable 8 × Silicone Ear Domes