Neoteck 4 Channel Portable Stereo Headphone Amplifier - 4 Volume Controls 12V

Features: 1. Ultra-compact headphone amplifier system for studio and stage applications. Premium analog circuitry and design offer a very low noise floor and high clearance height. 2. Share a single stereo source with up to 4 pairs of headphones. 3. Telephones Level Control per channel. 4. With a thick steel frame, potentiometers and long wear switches. 5. Powered by the included adapter. 6. Our products have higher amplification power and have a mono switch. When listening to a song with the headset, the left and right audio channel is different. Some are strong and some are weak. After opening the monophonic channel, it will be the same. Can be adjusted as desired to improve sound quality.

Specifications Line Inputs: Impedance -100KΩ Max input level - + 15dBu Headphone Outputs: Impedance - approx.80Ω Max input level - approximately 40mW in 100Ω Power supply - external power supply, 12 V / 150 mA.

Package Includes: 1 x 4-channel headphone amplifier. 1 x power adapter. 5 x 6.3 mm (1/4 inch) to 3.5 mm (1/8 inch) audio adapters. 1 x User Manual