Oriolus

BA300S

4.4mm 平 衡 真 空 管 耳 機 擴 音 機

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• 4mm balanced input and output, current-mode operational amplifier diffused output, using 2 micro-tubes to amplify

• Charging for 3 hours, battery life for about 7 hours, built-in lithium polymer rechargeable battery.

• This unit does not set the volume control, the overall gain +3DB, to improve the output amplitude of most front ends.

• Superior battery management ensures overall performance.

• The signal is amplified by the bile duct, which satisfies the user’s different sound experience.