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Nara Star Co., Ltd.

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Brand: IHIFI

Product Code: IHIFI A100


XUELIN IHIFI100 Pure Class A High Performance Portable HiFi Headphone Amplifier


Effect of amp

  • Headphone amplifier is power amplifier specially designed for the headphones, to make headphones performance of its voice-driven standards in full drive. But the amp is not only to increase the output power is generally also used for tuning. Can be connected independent amp to improve the sound quality and change the style of sound.

Characteristics of pure Class A amplifiers

  • Class A amplifier output stage two (or two group) of the transistor is always in a conductive state. That is regardless of whether signal input or not, they are maintaining conducting current. Class A amplifiers work with excellent linearity. Each output transistors are amplifying full-wave signal. The complete absence of Switching Distortion, even if not administered negative feedback. It's open loop distortion is still very low, so is known as the ideal sound amplifier circuit design. It provides a very smooth sound quality. Sounds warm and transparent treble.

Clean battery

  • IHIFI1OO class a amp uses two li-ion battery, with unlimited low internal resistance, ripple, noise is almost negligible.

Selection, just because we are more rigorous

  • Pure Class A amplifiers often work at 60  -85  high temperature environment. Therefore, the demand for components and technological level is very strict, Xuelin specifically tailored high-power transistors, and paired screening at 50/100 / 15OMA state so that error is less than 2%

Analog volume potentiometer

  • IHIFI100 Pure Class A amp is still used analog volume potentiometer, rather than the apparent volume potentiometer encoder. Almost all digital audio volume will bring coloration.

17 large-capacity electrolytic offers luxury power

Thousands layers of film capacitors

  • IHIFI1OO input coupling USES rare Austrian origin thousands layers non-inductive film capacitors, in comparison repeatedly audition, showing silky smooth sound quality. Analog filter capacitor with Panasonic original high-frequency low-impedance FC series aluminum capacitors.

ARM core control

  •  Arm kernel control, highlight OLED display shows the battery, frequency spectrum, charge status. It is also a real-time accurate display power amp (usually amp only roughly judge electricity through luminous tube)

With hundreds of procedures, just for your great experience

  • The whole machine adopts complex CNC aluminum alloy structure, in order to ensure that the surface perfection joined the refining process after conventional surface treatment, the whole machine look more delicate and exquisite.

Small Volume

  • Body size is 64.5 * 120 * 13.4mm, only slightly wider than iPhone5S, more grip and portability


  • THD+N(Total Harmonic Distortion plus Noise:0.0015% (600ohm 1000mv rms)
  • SNR:128db(600ohm 1000mv rms)
  • Output interface: 3.5mm stereo headphone jack
  • Input interface: 3.5mm stereo headphone jack
  • Output range: high-power mode: 5800mv , low power mode: 920mv
  • Output power: high power mode: 2600mw , low power mode 16ohm: 50mw
  • Battery life: about 10 hours (screen off) / 8.5 hours (screen on)
  • Charging time: 3 hours
  • Battery: 7.4V double rechargeable lithium battery
  • Net Volume: 64.5 * 120 * 13.4mm
  • Net weight: 145 g
XUELIN IHIFI100 Pure Class A High Performance Portable HiFi Headphone AmplifierDescriptionEffect of ampHeadphone amplifier is power amplifier specially designed for the headphones, to make headph..

IHIFI H6 1969

Brand: IHIFI

Product Code: IHIFI H6 1969


XUELIN H6 (IHIFI1969) 32GB Pure Class-A Transistor AK4495 32BIT 768K HiFi Portable Music Player


Maverick, only belong to a few people

  • There are many types of players on the market, but the most of players focus on the high-definition big screen,but did not explore too many product in the form of tuning and circuit . In view of the love of the classic 1969 sound, XUELIN launched this one based on the transistor 1969 jlh pure class-A amplifier player. Its independent styling and circuit design are destined to be owned by only a few people.
  • HIFI1969 can achieve the built-in 5 kinds of filters of AK4495d, in order to achieve a variety of playing.

AKM high-end decoding chip

Using AKM high-end AK4495 32BIT 768K decoding chip, with 32BIT core hardware decoding and piezoelectric capacitor filter technology, LPE used lme49990 op amp whose THD is 0.00001%.

6000MAH lithium, pure class A

1969 uses the large capacity battery which created portable record, whether it is hundreds of MA's working current, or triode and electrolytic discrete devices in a large number of applications, 1969's design are anti-industrial and its line. Based on the transistor's discretization, each transistor curve must be screened, and each level of current needs to be tuned separately. Therefore, each of the 1969, not only in the engraved history, but also condense the XUELIN designer's feelings and love.

No compression, moisten tuning

Its voice is different from any modern sense of the player, and closer to the vinyl. Moisturizing and loose .

No fear of secular eyes

1969 uses a lot of curved surface and waterfall stripes to decorate. . These are a huge challenge in CNC machining and metal surface treatment. We do not count the cost, to achieve the elegant temperament of 1969.


  • Master control: PK-NANOD
  • DAC: AK4495
  • LPF: LME49990 * 2 (THD 0.00001%)
  • Headphone Amplifier: JHL pure class A transistor amplifier
  • Battery: 3.7V6000mah lithium battery
  • Life time: about 11 hours, standard bit rate, main and vice screen off
  • Main screen: 0.96 pure white OLED
  • Vice screen: 0.91 pure white OLED
  • Interface: 3.5mm stereo earphones, 2.5mm balanced earphones

Balance connector

  • Output level: standard power 3.7V rms , low power 1.1V rms
  • Distortion: <0.009%
  • Frequency response: 50-20khz + - 2.5db

Non-balanced connector

  • Output level: standard power 3.6V rms low power 1.0V rms
  • Distortion: <0.007%
  • Frequency response: 50-20khz + - 2.5db
  • Shell: aluminum alloy CNC, surface pearl sand oxidation
  • Volume: 125 * 71 * 19mm
  • Weight: 220g

IHIFI H6 1969
XUELIN H6 (IHIFI1969) 32GB Pure Class-A Transistor AK4495 32BIT 768K HiFi Portable Music PlayerDescriptionMaverick, only belong to a few peopleThere are many types of players on the m..
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