Oriolus BA300S New Version Portable Tube Headphone Amplifier

Parameters: Machine gain: +3dB 4.4mm input and 4.4mm output Output power: 350mW(32Ω load) S/N: 110db THD+N:0.02% Playback time:7H Frequency range: 10Hz – 50KHz (+/-0.5dB) Net weight: 165g Size: 120 x 57 x16.5mm Weight:0.5kg Features: It adopts two micro-tubes to amplify, current-mode operational amplifier and diffused output, and 4.4mm balanced input and output. Superior power management ensures the performance of the whole machine. The unit does not have volume control, and the whole machine gains +3dB, which improves the output amplitude of most front ends. The signal is amplified by the bile duct, and the output is rich in bile, satisfying the different sound experience of the user. Built-in lithium polymer rechargeable battery, charging for 3 hours, battery life for 7 hours.