PzzPss 16-300 Ohm Headphone Amplifier 16-150 Ohm HiFi Earphone Amplifier 3.5mm Jack Aux Portable Adjustable Audio Amp 4

Style A: Feature 1. Mini HiFi headphone amplifier, It is delicate, compact, lightweight, and portable that it can be carry conveniently. 2. 3.5mm AUX input and output, make it possibility to output not just louder sound, but a sharper and more real stereo sound without distortion. 3.Two-stage gain switch enhances the signal input into the amp circuit for optimal performance of the headphones 4. Rechargeable lithium battery, it adopts a rechargeable lithium battery with 1000mAH capacity, which allows it to stay working more than 8 Hours. 5. Universal compatibility, it can remarkably compatible with a various of digital devices, such as MP3 MP4 mobile phone computer.

Specifications: Lithium Battery Capacity: 1000mAH Amp Using Time: More Than 8 Hours Adapted Headphone Impedance: 16-300Ω Dimension: 9.5 x 6 x 1.5cm(L x W x H)

Style A: 1 x Headphone Amplifier 1 x USB Power Cable 1 x Audio Cable

Style B and C Feature: Aluminum matte surface, stylish and compact design. 3.5mm AUX input and output. Support 16-150Ω impedance, exquisite and portable, easy to carry, can output excellent sound without distortion. High-quality audio, suitable for your mobile phone, MP3, MP4, laptop. Noise reduction function, enhanced dynamic distortion, perfect pure stereo effect, high-definition voice and music sound quality optimization.

Why is there a buzzing/hissing sound? A: Please don't use it while charging, because it will cause current interference when charging. This is why there is noise. After fully charged, disconnect the power and use the headphone amplifier. This amplifier is not high enough for my bigger headphones. Why? A: This headphone amplifier supports headphones with 16-150 ohm impedance. Please check the impedance of the headset.

Package B or C: 1 X Amplifier 1 X Audio Cable 1 X USB Power Supply Line

Specification: Product name: Headphone amplifier Product color: Black Input/output port: 3.5mm audio port Distortion: 0.004% Signal to noise ratio: ≥120dB Load impedance: 16-150Ω Maximum power output: 250mW in Impedance 16Ω Amp internal voltage: ±4V Charging voltage: DC 5V Frequency response: 20Hz-20KHz (±3dB) Lithium battery capacity: 1000mAh Ampere usage time: about 6 hours Body size: 9.5x6.2x1.5cm/3.74x2.44x0.59in Power cord length: 95cm/37.4in Audio cable: 1m/3.28ft

Hazmat: None numberOfChannels: 2 deliveryOptionStandard: Yes name: PzzPss 16-300 Ohm Headphone Amplifier 16-150 Ohm HiFi Earphone Amplifier 3.5mm Jack Aux Portable Adjustable Audio Amp 4 source: asc brand: No Brand preorder: No