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IPHONE

Lightning to USB Camera Adapter

XD-05

Input

 

Setting

Android

 

Device

USB OTG

 

Cable

ASP-09301

Input

 

Setting

HI

-

FI

 

Player

Coaxial Cable

ASP-09301

Input

 

Setting

HI

-

FI

 

Player

Optical

 

cable

ASP-09301

Input

 

Setting

HI

-

FI

 

Player

Audio

 

Cable

ASP-09301

Input

 

Setting

QUICK  START GUIDE

Introduction

Features

Recommended Player 

Package List

Set Up In PC

Please check the items in the package

1 pc
1 pc
1 pc
4 pcs

2 pcs
2 pcs
1 pc
1 pc

USB cable
Silicone band
Welcome card
6.5 to 3.5 Converter

ASP-09301
Drive CD 
User Manual
Rubber feet

ASP-09301 is the latest full

-

featured hi

-

end portable headphone amplifier released by ATC.  The small device 

contains  high  performance  USB,  optical  fiber,  coaxial  audio  decoding  and  headphone  amp  with  an  OLED 
display and a real time display digital information flow.  ASP-09301 can be connected to WINDOWS, IOS and 
Android system with USB, supporting up to 32Bit/384KHz PCM signal, DSD256 signal and 32Bit/384KHz DXD 
signal.  it  can  also  be  connected  to  all  kinds  of  DAP  output  with  coaxial  or  optical,  supporting  up  to 
24BIT/192KHz PCM signal.  External with Gain settings, Bass boost settings, DAC filter settings and SRC set 
function.  This product is suitable for the use of PC, PAD, mobile phones, and other HI

-

FI player connections, 

effectively  enhancing  the  quality  of  original  playback  device  as  well  as  driving  a  variety  of  high

-

end 

headphones.  With ASP-09301, we guarantee the highest quality of music for your enjoyment.

• Supports PC USB audio decoding functions, works in asynchronous transfer mode, and supports WASAPI,
  ASIO and KS kernel flow mode, supports up to 32Bit/384KHz PCM signal; supports up to 32Bit/384KHz  
  DXD signal; supports up to 1bit/11.28MHz DSD signal, works in DOP or NATIVE mode.
• Using Lightning to USB Camera Adapter line connection; supports for iPod, iPhone, iPad  USB audio
  decoding functions and supports up to 24Bit/192KHz PCM signal, supports up to DSD128 signal (Note:  
  Apple's IOS limits maximum can only support DSD128)
• Using USB OTG cable connection; supports for Android phones' and music players' USB audio decoding,  
  supports up to 24Bit/192KHz PCM signal, supports up to DSD128 signal (Note: Android limits the  
  maximum can only support DSD128)
• Supports coaxial audio decoding, supports up to 24bit / 192Khz PCM signal can be connected with a  
  coaxial audio output of the player to obtain the highest quality of sound.
• Supports optical audio decoding, supports up to 24bit / 192Khz PCM signal can be connected with a  
  optical audio output of the player to obtain the highest quality of sound.
• Supports AUX input / output.
• Audio processing chip: USB audio processor by XMOS latest 8 core processing chip: U8a chip; Optical /  
  Coaxial audio processor by Cirrus logic cs8422 chip; DAC processor uses the AKM's top chip AK4490 and  
  support for DSD, DXD and PCM native signal.
• The amp part uses OP+BUF structure, which is dynamic with strong driving ability.
• Using efficient power conversion chip, pr/

9V power to the power amplifier chip, OCL circuit  

  structure, greatly improves the dynamic range of output signal, can drive headphones easily.
• The external 3 gears of gaining, suitable for matching different Headphone.
• The external 2 gears bass boost, satisfying all kinds of requirements.
• The external DAC chip filter adjustment for different listening experience.
• The external SRC adjustment for different listening experience.

Parts and Controls

FILTER SRC DISPLAY

12 13 14

 6.5mm headphone jack.  Applies to 8

300 euro earphones.

 Input selection switch.  Choose USB/Coaxial/Optical/AUX input.

 Bass boost switch boost up + 6 dB

 Gain switch.  Boost up + 3/+11 dB, for driving high impedance headphone.

 Power/Volume knob.  Turn right to turn on the power, brighten the display and to increase the volume;    

  turn left to reduce the volume.

 Line out/in jack.  When it is function as line in, USB/optical/coaxial decode, the port functions as line out.

11

HIGH PERFORMANCE

AUDIO DAC &

HEADPHONE

AMPLIFIER

FILTER SRC DISPLAY

Screen Informations

DAC Filters Instruction

Battery

DAC filter

Sampling

Input soucre

The filter code name and actual name are one to one correspondence as follow

 USB audio input port.  Compatible with Apple/Win/Linux system computer; requires Apple’s camera  

  adapter for the iPhone, iPod touch, and iPad devices; requires USB

OTG cable for Android devices.

 Link LED.  LINK Light turns on when USB is connected.

 Charging jack.  Connect to PC or to charger for charging.

 Charging indicator.  Red light blinks when charging; light turns off when full charged.

 Optical/Coaxial input jack.  Support up to 24 bit /192 KHz digital signal.

 Filter Settings.  For more information, see “DAC Filters Instruction”.

 SRC Settings.  Only for coaxial/optical input, can be set to 48/96/192KHZ.

 Display on/off.  Long press to turn off, short press to turn on.

PCM FILTER
PCM1     Sharp roll

-

off filter

PCM2     Slow roll

-

off filter

PCM3     Short delay Sharp roll

-

off filter

PCM4     Short delay Slow roll

-

off filter

DSD FILTER
DSD1     Reserved Cut off filter
DSD2     50K Cut off filter
DSD3     150K Cut off filter

XD

-

05

PC

USB

 

Cable

XD-05

Input

 

Setting

Listening to Music

Connecting to the Audio Device

1. Connect headphone to the unit.
  *Note: The XD

05 only supports dual channel Headset, it does not support the mono Headset or Headset  

  with remote control function or with microphone function.
2. Connect audio device with the unit.  For details, see "Connecting to the Audio Device”.
3. Turn the power/ volume knob to the right to turn on the unit.  More time is required the first time the unit  
  connects with the computer.
4. Play music with the connected audio device.
5. Adjust the volume to your comfort zone and start enjoying music.
6. Set the GAIN according to your headset, you can also set up BASS and DAC filter according to your  
  preferences.
7. Bind your audio device with the unit with silicon tape for easy carrying.

1. Use the supplied USB cable to connect to Apple/Windows/Linux computer. Make sure to turn the
  INPUT switch to USB IN position.

2. Use Lightning to USB Camera Adapter to connect with IOS device such as iPhone

iPod Touch

iPad.  

  Make sure to turn the INPUT switch to USB IN position. (* Note: For the first time connecting with the  
  iphone, you will need to manually turn up to maximum volume.)

3. Use the OTG USB cable to connect to Android mobile phone / player with the OTG function. Make sure to  
  turn the INPUT switch to USB IN position.

5. Use the optical cable to connect to the Fiber audio output device. Make sure to turn the INPUT switch to  
  USB IN position.

Frequency Response: AMP:10Hz~100KHz (±0.5dB)
             USB/SPDIF: 20Hz~20KHz (±0.5dB)
Sampling Rate Support:
             USB     PCM:16

32Bit/44.1K

384KHz

                           DSD: DOP/NATIVE mode, DSD64

256 (1Bit/2.8M

11.2M)

                         DXD:24

32Bit/352.8K

384KHz

        OPT/COA     PCM:16

24BIT/44.1K

192KHz

Gain: +6/+9/+15dB
Bass boost: 0/+6dB
THD+N: 0.0025% (1KHz)
S/N: 112dB
Suitable Headphone impedance: 8

Ω

 ~ 300

Ω

.

Battery life: >11H (USB IN), >16H (SPDIF IN), >23H (AUX IN)
Charging time: Quick charge 5H (with charger), slow charge 11H (with computer)
Size: 139.5*75*23mm
Weight: 270g

Install USB PC Driver 

Charging the unit

Specifications

Open Foobar, click file

 preferences

 playback

 output, choose XMOS XS1

U8 MFA channel from Device 

on the right side. 

1. When the unit is connected to the computer, the driver is required to be installed.
  (No need to install if your system is MAC.)
2. Use the CD we provided or it can be downloaded from the official website at (http://http://www.atc-life 
  style.com), choose TUSB_v2.23.0. Please refer to the site of the package for instructions.
3. When using the device to play a high resolution audio files on the computer, we recommend using Jriver  
  or Foobar2000 player.

1. Charger specifications: output voltage 5V, output current 

1A.

2. When charging, the red light turns on and stay on for 15 seconds,  then it will start blinking acorrding to  
  the mode of charging (slow blink under slow chage mode,quick blink under quick charge mode), the light  
  will turn off after it's charged
3. Full charging requires around 5 hours.
4. Full charging requires up to 11 hours when PC USB is used for charging.
5. Can be charged when the device in working, but would require longer time. Advice you to charge after  
  turning it off.
6. If you are planning not to use the ASP-09301 for long period of time, charge it every half year to avoid  
  excessive battery discharge.

Power Source: built in 3.7V/4000mAh rechargeable lithium polymer battery 
Screen: 0.91 inch OLED screen
Compliant OS: Windows XP/7/8/10, Mac OS X, IOS, Android system
Output power: 500mW (32

Ω

load) 

6. Use 3.5mm audio cable to connect to the Line out audio output device.

When playing high

resolution audio files, we suggest you to use the following players;

In PC

Jriver

Foobar2000

In MAC

Audirvana plus

In iPhones and iPad

HF player

In Android phone and PAD

Hiby player, HF player

1. If there is no sound when connected to the computer, please check if the PC playback devise setting are  
  correct.  The sample windows7 set steps are as follows: Click PC start menu, select: control panel 

 >  

  hardware and sound 

 > hardware and sound 

 > sound, after a computer is ejected from an interface,  

  click < play > option, and then select  <XMOS XS1

U8 MFA> to set it as the default playback device.

2. Set the PC player output channel as local channel. The sample player Foobar2000 set steps are as follows:

4. Use the Coaxial cable to connect to the Coaxial audio output device. Make sure to turn the INPUT switch  
  to USB IN position.

2016

ASP-09301

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