Please connect the input devices, like computers, mobile phones, DVDs to the Line in port, and then plug the headphones into the Line out port Correctly . Increase the volume of the input device and increase the master volume of the product.

2. Can I use it while charging?

It is not recommended to use while charging, line noise may be generated. This is why the product is powered by lithium batteries, and battery power supply can avoid line noise.

3. Is it possible to transfer audio using the USB interface?

No, the USB interface of this product only has the charging function

4. The device can work, but the intensity of music is not well?

The battery output is not enough and needs to be charged.

5. Why the headphone has a big buzzing sound when the input line is connected but not play?

When an unshielded signal line is empty, an interference signal will enter the amplifier and be amplified. If you dislike the sound, we suggest you replace the shielded signal line or unplug the signal line.

16 300 Ohm Portable Headphone Amplifier 3 5mm Jack Headphone

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥10629

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate Every Beat — Amplify Your Audio Life

ALL DAY LISTENING FREEDOM - Rechargeable 1500mAh battery powers your music for over 12 hours—perfect for long commutes, workdays, or studio sessions.
SLEEK ALUMINUM MATTE FINISH - Modern, durable design reduces interference and heat, ensuring stable, premium audio performance on the go.
PURE HI FI SOUND ZERO NOISE - Experience crystal-clear audio with SNR>120dB and ultra-low distortion (THD+N=0.0003%) for audiophile-grade listening.
POWERFUL PRECISE VOLUME CONTROL - Two-stage gain switch and adjustable volume deliver immersive surround sound tailored to your environment and hearing needs.
UNIVERSAL COMPATIBILITY ONE AMP FITS ALL - Seamlessly connect to smartphones, laptops, MP3/MP4 players, and more with a compact, smartphone-sized powerhouse.

The Neoteck 16-300 Ohm Portable Headphone Amplifier is a compact, rechargeable device designed for audiophiles and professionals seeking superior sound clarity. Supporting a wide impedance range (16-300Ω), it delivers high-fidelity audio with minimal noise and distortion. Featuring a two-stage gain switch, volume control, and a durable aluminum matte finish, it offers immersive surround sound and stable performance. With over 12 hours of battery life and universal compatibility across multiple devices, it’s the ultimate portable amplifier for on-the-go premium listening.

Specifications

ASIN	B01MS22YWV
Audio Sensitivity	120 Decibels
Battery Cell Composition	Lithium Polymer
Battery Description	Lithium
Battery Weight	21 Grams
Best Sellers Rank	#10,832 in Electronics ( See Top 100 in Electronics ) #15 in Headphone Amps
Brand Name	Neoteck
Color	Black
Compatible Devices	Iphone, Smartphone, Tablet
Control Type	Button Control
Customer Reviews	4.3 4.3 out of 5 stars (2,657)
Global Trade Identification Number	05060492196198
Headphone Folding Features	Over Ear
Included Components	1 x 3.5mm Headphone Amplifier , 1 x USB Power Cable, 1 x Audio Cable, 1 x User Manual
Includes Rechargeable Battery	Yes
Item Dimensions L x W	3.82"L x 2.36"W
Item Weight	160 Grams
Lithium Battery Weight	6 Grams
Manufacturer	Neoteck
Material	Aluminum
Model Name	Headphone Amplifier
Model Number	16-300Ω Gain
Noise Control	Noise Cancellation for Voice Call
Number of Batteries	1 Lithium Metal batteries required.
Outer Material	Aluminum
Output Wattage	40 Watts
Part Number	NTK059-CA
Power Source	Rechargeable
Product Style	16-300Ohm
Recommended Uses For Product	Amplifies audio signals for headphones, Drives high-impedance headphones effectively, Enhances audio quality and clarity, Improves dynamic range of audio signals, Increases volume output for headphones
Special Features	High Fidelity, Lightweight, Rechargeable, Volume Control
Unit Count	1.0 Count
Warranty Description	18 Months

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