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Hi-Fi Headphone Amplifier AA012 Portable Headphone Amp 3.5Mm Stereo Audio

Headphone Amplifier: can output remarkable sound without distortion which make it convenient to carry；
Headphone Amp input: 3.5mm jack, 5V1A power；Output: 3.5mm jack, USB 5V1A power (can charge your phone once)
Use time: Headphone amplifier listening to music for more than 30 hours. Battery capacity:3000mAh. Frequency Response:20Hz-20kHz(±3dB)
Headphone Amp High/ Low gain switch and a bass boost for optimal performance of the headphones.
The Headphone amplifier is compatible with various 3.5mm jack output players and headphone, such as: phone, MP3, MP4 and computers, game console ect.

Product Description

Hi-Fi Headphone Amplifier It enhances the signal input into the amp circuit for optimal performance of the headphones.

Plug-and-play for instant audio playing and compliant with all mainstream operation systems.

Two-stage Gain switch: L/H,enhances the signal input into the amp circuit for optimal performance of the headphones.

Noise Reduction Function, and Distortion with Enhanced Dynamics, Perfect Pure Stereo Effect, HD Voice Music Sound Quality Optimization Not only suit for music enthusiast, also could be a ideal gift for those who has trouble hearing.

Note: USB of this product only has a charge function, does not have OTG decoding function.

Portable Headphone Amp

Small size, easy to carry, aluminum alloy shell, anti -interference, sturdy and durable

Compatible Phone, MP3, MP4, PC, Laptop, Game system etc.

with 5V1A USB output

Can charge your phone once.

Battery capacity is 3000mAh(3v) Lithium-Battery. Power bank output Max is 5V1A

3.5mm Stereo Headphone Amp

Make sure to turn the VOL knob to the minimum before putting on the headphones.

USB of this product only has a charge function, does not have OTG decoding function.

Input：	3.5mm Jack
Output：	3.5mm Jack and 5V1A USB
Frequency Response:	20Hz-20kHz(±3dB)
Load impedance:	16-300Ω

SNR：	≥120dB
Battery capacity：	3000mAh
Maximum power output:	100mW
Play music time:	30 hours

Input 1：	3.5mm Jack	3.5mm Jack	3.5mm Jack	3.5mm Jack	3.5mm Jack	Balanced stereo 6.35mm
Input 2：	×	×	USB C	×	USB C	Unbalanced stereo RCA
Output 1：	3.5mm Jack	3.5mm Jack	3.5mm Jack	3.5mm Jack	3.5mm Jack	Balanced stereo 6.35mm
Output 2：	×	USB 5V1A	×	×	4.4mm Jack	Unbalanced stereo RCA
Load impedance:	16-300Ω	16-300Ω	16-600Ω	16-300Ω	16-300Ω	32-600Ω
Battery capacity：	1000mAh	3000mAh	3000mAh	1000mAh	2600mAh	×
Maximum power output:	100mW	100mW	32Ω 100mW / 600Ω 60mW	100mW	32Ω 1W

Q: All cables are connected, but there is no audio output?

A: 1. Please check the power indicator is on, if not, turn the otentiometer on.

2.If the power indicator lights, check that the VOL knob is in the smallest state, if it is, and it is normal to rotate clockwise in the minimum state.

3.If both of the above are normal, check whether the audio source playback device is paused, muted, or the volume is minimal.

Q: Does USB have a decoding function?

A: USB of this product only has a charge function, does not have OTG decoding function. You can purchase the related products of our company if you need a encoding function.

Q: It is turned to the maximum, but the volume is still not loud enough. What should I do?

A: Our product is designed with a gain switch which can be set to H position if the sound is not loud enough.

Q: My headphone impedance is 200Ω. It can work?

A: According to our design theory, the product can support a headphone with 16-300 Ω impedance. Therefore that is completely OK.

Tips: It is not recommended to use while charging, because current disturbance will occur when charging, Which may lead to noise.

Item model number	AA025
Style	AA012 Headphone Amplifier
Product Dimensions	3.8 x 2.4 x 0.5 inches
Country of Origin	China
Item Weight	6.6 ounces
Number of Channels	2
Voltage	3 Volts
Item Dimensions LxWxH	3.8 x 2.4 x 0.5 inches
Is Discontinued By Manufacturer	No

Shipping

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Our standard US shipping service is FREE.

Your order will be shipped within 2-3 business days upon full payment received.

Your order will be delivered within 2-3 business days after the handling time.

We only ship to the confirmed PayPal address. We reserve the right to cancel any order for any reason at any time.

We are not responsible for undeliverable addresses.

Returns and payment

We offer a 30 days return policy from checkout winning date.

We allow only PayPal as payment method

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