High Quality Material: The headphone amplifier is made of aluminum alloy, which is sturdy and durable to ensure a long service life.
HiFi Headphone Amplifier: 3.5mm AUX input and output for MP3, MP4, mobile phones, computers, CD players and media players.
Good Sound Effect: Not only can output louder sound, but also output clearer and more vivid stereo without distortion.
High Quality: Support most high impedance 16?150Ω headphones, 3.5mm AUX input and output, signal to noise ratio>116Db, THD+N=0.001%, and fully filter out noise.
Two Stage Gain Switch: Enhance the signal input to the amplifier circuit to achieve the best performance of the headset.