LOXJIE A40 Amplifier Infineon USB Bluetooth User Manual

LOXJIE A40 Amplifier Infineon USB Bluetooth

Features

• German Infineon’s new digital high-power amplifier chip has higher quality, high efficiency, and low energy consumption;
• The use of Japan’s JRC electronic volume control chip NJW1194, accurate volume control and ultra-low distortion;
• Support MQA decoding, support MQA-CD ;
• The new third generation XMOS XU-316, PCM support to 32bit/768kHz, DSD support to DSD256;
• The latest Bluetooth supports LDAC， APTX/HD, SBC， AAC;
• All aluminium alloy CNC precision processing shell, anodizing technology and chamfering process, exquisite workmanship and delicate touch;
• The humanized operating system is simple to understand, and equipped with a full-featured remote control function;
• A large number of audiophile audio components to enhance the subjective sense of listening;
• High-quality gold-plated input. Output terminals;
• Perfect overheating, overcurrent protection circuit;
• Built-in high-quality high-power audio special switching power supply.

Support

Firmware and driver download: http://www.loxjie-audio.com/

Specification

Remote control

Note

• If the operation does not work even when the remote control is very close to the unit, please replace it with a new battery.
• If you do not want to use the remote control for a long time, please remove the batteries of the remote control.
• Dispose of used batteries in accordance with local regulations for battery disposal.
• Please use 2 AAA batteries for the remote control.
• Remote control operating distance: 5-8 meters.

How to use Bluetooth

Connection: switch the input source to Bluetooth, turn on the Bluetooth function of the mobile phone, search “LOXJIE A40”, and click Connect after searching. When the mobile phone displays “connected”, the connection is successful.

Parts

1. Function knob
2. PRESS to enter the menu;
3. HOLD to exit the menu;
4. ROTATE to change the value or volume.
5. 4.4mm headphone jack 6.35mm headphone jack Remote window
6. Display screen
7. PHONO input
8. LINE input
9. Coaxial input
10. HDMI(ARC) input
11. Bluetooth antenna
12. Right channel output
13. Left channel output
14. AC Power Input (100~240v AC) Grounding
15. SW out
16. USB input
17. Optical input

Bluetooth pairing: Open Bluetooth pairing on your cell phone, search and select “LOXJIE A40”, if the cell phone displays “Connected”, it means the pairing is successful.If the pairing is not successful, please operate the Bluetooth clear function to clear the Bluetooth that A40 was connected to before, and then retry.

Equipment speaker output : Please pay attention to the polarity when connecting the speaker, it must be in accordance with the polarity labeled by the product, so as not to affect the sound quality!

Function and operation instructions

INPUT SETTING

• USB audio
• Optical
• Coaxial
• Bluetooth
• ARC IN
• AUX IN
• PHONO

OUTPUT SETTING

• Speakers
• Headphones

EQ

• Direct
• Tone
• Double Bass
• Bass
• Super bass
• Rock
• Soft
• Clear

Bass adjustment range

• 9dB ~ +9dB
  When the EQ mode is Direct or another EQ mode, changing the Bass will change the EQ to Tone mode.

Treble adjustment range

• 9dB ~ +9dB
  When the EQ mode is Direct or another EQ mode, changing the Treble will change the EQ to Tone mode.

FILTER

• Fast and Low-latency filter
• Fast and Phase-compensated filter
• Slow and Low-latency filter
• Slow and Phase -compensated filter
• Nonoversampling filter

COLOR

• White
• Red
• Green
• Blue
• Yellow
• Cyan
• Orange
• Purple

BT clear

Turn to clear (Press the remote control up and down buttons or turn the knob to clear the current Bluetooth-paired device)

DIMMER

Always on(Always on)Auto Off(automatically turns oFF the screen after 5 seconds of inactivity)

Restore Factory Settings ：
Connect the power cord when pressing the power button, until the screen shows the logo. Then stop pressing and restart the unit .

About MQA

MQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. The A40 includes MQA technology, which enables you to playback MQA audio files and streams, delivering the sound of the original master recording.
Visit How it Works https://www.mqa.co.uk/how-it-works for more information.

How to play MQA

• A40 supports MQA decoding with USB, optical fibre and coaxial!
• A40’s MQA playback does not require the use of special playback software, such as foobar2000, Audirvanaplus only needs to support ASIO or WASAPI audio output, and when playing MQA audio, it is best to adjust the volume of the
• computer to the maximum, so that the audio output of the computer is in the best condition.
• When playing an MQA file, the sampling rate of the original master recording is displayed.

MQA and the Sound Wave Device are registered trademarks of MQA Limited.© 2016

Notes on playing MQA-CD

• Please make sure that what is being played is a genuine MQA-CD.
• Verify that the optical or coaxial signal output of the CD player is an unprocessed source code.

The contents of this manual may change with the version, if there is any change without notice, please go to http://www.loxjie- audio.com/download.asp Download the latest version of the manual.

References

• LOXJIE AUDIO Official-LOXJIE音频官网
• MQA Explained | How MQA Audio Technology Works | MQA
• MQA Explained | How MQA Audio Technology Works | MQA

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