The SuperEar Rechargeable Model SE9000HP represents the latest sound technology advancement in the line of SuperEar personal sound amplifiers (PSAP) manufactured by Sonic Technology Products since 1981.Tactile Volume Control Wheel and 3 Tone Frequency Selector SuperEar SE9000HP is a fully rechargeable personal sound amplifier that features a 3-position selector for customization of High (900Hz- 25KHz) Medium (100 Hz - 18 KHz) and Low (25 Hz - 3.5 KHZ) frequency ranges for better amplification. Latest surface mount microelectronics offer crystal clear stereo amplification of all ambient sounds up to 50+ dB sound gain for total decibel output of 107dB.Complete Personal Sound Amplifier System Volume Control Wheel for easy tactile adjustment. Rechargeable AA Batteries offer 40 hours of operation per charge. 110V/240 VAC Interchangeable International BSI/TUV/US/AU Capable Convertible Charging Cube with USB Cable included. Comfortable Earbuds and Headphones feature matched output drivers to deliver clear, crisp amplification of all ambient sound. Convenient Belt Clip. Lighted ON/OFF Button. Owner's Manual.

Complete PSAP Amplification System includes Amplifier, Both Headphones and Earbuds, Belt Clip, Rechargeable Battery, Charging Cable and Cube. Amplifies ALL ambient sound by 50dB including background sounds. Total Output 107 dB High-Med-Low Frequency Selection. Complete Personal Sound Amplification System Includes SuperEar Amplifier, Rechargeable NI MH AA Batteries, 110V/240 Convertible Capable Charging Cube, USB Cable, Both Stereo Headphones and Ergonomic Hook-Style Earbuds, Belt Clip, Owner's Manual.