TEQStone portable headphone amplifier is compatible with most headphones (best for impedance under 32 Ohms). It provides a powerful high-resolution audio experience through your headphones. Features 1.Positive and negative double power technology Built-in single power supply circuit effectively suppress background noise, thus achieving a best stereo audio effect. 2.High frequency dynamic compensation tuning circuit network Built-in butter worth circuit design can make up these shortages of mobile phone music, such as the darkness of high frequency and weakness of low frequency. 3.Low distortion calculation amplifier THD: THD+N is 0.006% Free output capacitance,making the reference of ground level as the output design,the low frequency is surgent, the sound with the design of internal resistance power supply is much transparent and the dynamic range is better. Specifications Length: 57mm Width: 14mm Output power: 300mw*2/16Ω Frequency response: 2-27KHZ SNR: 95DB Dynamic range: 90DB Degree of separation: 70DB THD: ≤0.006% Input impedance: 32Ω Output impedance: ≤200Ω Working temperature: -40℃~60℃ Package contents: 1×Headphone amplifier 1×USB charging cable 1×Headphone adapter (3.5mm transfer 2.5mm) 1×Headset cable 1×User manual We promise a 3 months warranty.
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