background image

49

6. Notch Filter

The central frequency has obvious reduction. The frequency beside 

the central frequency has similar effect. Gain setting is ineffective 

with notch filter.

7. High Shelf Filter

There is a wide effect on the frequency that is higher than the 

central frequency.

2 3 4 5 6

10

20 30

100 200

1k

⑩.  Q=0.7071 

 

⑪.  Q=20

4 5 6 7

89

10

20

30 40 50

100

200 300

1k

⑫.  Q=0.7071 

 

⑬.  Q=20

4 5 6 7

89

10

20

30 40 50

100

200 300

1k

2 3 4 5 6

10

20 30

100 200

1k

Summary of Contents for DX240

Page 1: ...iBasso Audio USER GUIDE ...

Page 2: ... 13 14 26 15 16 Application APP Installation App to Uninstall USB Connections 17 20 Power Off Reboot System Switching 26 System Settings 21 25 iBasso Mango Music Player Application 27 58 Playback Screen home screen 27 Music Screen 28 38 Settings Screen 39 58 System Switching 59 Mango OS 59 62 MQA 63 Mango OS User Interface 60 To Return to The Android System 61 MTP 62 ...

Page 3: ...USB C cable Screen Protector Quick Start Guide Warranty Card 2 Package Components Coaxial Cable Balanced Burn in Cable Clear TPU protection case DX240 Player ...

Page 4: ... the DX240 chassis from scratches Screen Protector Use the screen protector to protect the DX240 screen from scratches Warranty Card The warranty card will be requested at the time of warranty repair Please retain the warranty card Quick Start Guide This reviews the basic functions of the DX240 Balanced Burn in Cable Plug the burn in cable into the output socket and keep playing music to burn in t...

Page 5: ...erated While burning in the DX240 both the balanced and the single ended components are being affected and burned in The burn in time can be from 100 to 200 hours and the burn in doesn t have to be continual You can power off the player and continue the burn in process after a few days It is also not mandatory to use the burn in cable we supply it as a convenience for when you are not listening to t...

Page 6: ... controller synchronizing and generating the signal to all audio clocks 2 NDK ultra low phase noise Femtosecond oscillators 4GB LPDDR4X 64GB ROM 14nm Octa Core Qualcomm Snapdragon 660 SoC USB digital output up to PCM 32bit 384kHz Native DSD256 and DoP DSD128 Mini coaxial output that supports up to 24bit 384kHz and DoP DSD128 USB DAC function that supports up to 32bit 384kHz and DoP DSD128 input Su...

Page 7: ...s for hardware control 100 step volume control Patented replaceable AMP card design compatible with AMP1 through AMP8 Audio Formats Supported MQA APE FLAC WAV WMA AAC ALAC AIFF OGG MP3 DFF DSF and DXD Support for M3U playlists 3 8V 4400mAh Li Polymer battery ...

Page 8: ...ency Response S N Dynamic Range THD N Crosstalk Output impedance 6 2Vrms 878mW 32ohm 128mW 300ohm 10Hz 45kHz 0 1dB 125dB 125dB 114dB 3Vrms no load 114dB 3Vrms 32ohm load 119dB 0 57ohm 3 1Vrms 281mW 32ohm 32mW 300ohm 10Hz 45kHz 0 1dB 123dB 123dB 110dB 1 8Vrms no load 109dB 1 8Vrms 32ohm load 117dB 0 38ohm 2 5mm Balanced Phone Port 3 5mm Single Ended Phone Out ...

Page 9: ...different resolutions volume used and headphone IEMloads Average Play Time Maximum output level Frequency Response S N Dynamic Range THD N Crosstalk 3Vrms 10Hz 45kHz 0 1dB 122dB 122dB 110dB 1 8Vrms no load 116dB 3 5mm Single Ended Line Out ...

Page 10: ...9 Names of Parts Functions 3 5mm Line Output Port Coaxial Output Port USB C Micro SD 3 5mm Phone Output Port 2 5mm Balanced Output ...

Page 11: ...torage Connect the DX240 to an OTG storage device to play music files stored in this OTG storage device Connect the DX240 to a Windows PC or a Mac computer to work as a USB DAC 2 5mm Balanced Output Plug in the 2 5mm balanced earphone and output sound through the Balanced phone port Coaxial Output Port Use the furnished coaxial cable to play music stored in the DX240 on an external device with a co...

Page 12: ...11 Previous Rewind Play Pause Next Fast Forward Power Volume USB C Coaxial Output Port 5 0 inch LCD ...

Page 13: ...ecrease the volume Short Press Play the next track Long Press Fast forward Short Press Play Pause On the Mango OS long press the play button to lock the screen Short Press Replay previous track Long Press Rewind Short Press Power the LCD screen on and off Long Press To display the pop up window with three options that are Power off Reboot and To Mango ...

Page 14: ... the pop up window press Power Off button to power off the DX240 Power on off the screen Single press the power button to power on off the screen after the DX240 has been powered on Reset When the DX240 stops unexpectedly during operation and the keys are no longer responsive press and hold the power button for 10 seconds to reset the DX240 Charging DX240 supports two quick charge protocols QC3 0 and ...

Page 15: ...14 Battery indicator WiFi Bluetooth Time Volume Gain Digital Filter Android Basic Features Introduction ...

Page 16: ...s the Wireless local area network WLAN to turn on the WiFi function The first time you enter the WLAN you need to choose the hot spot you will be using and enter the password From this point forward your password for this hotspot will be remembered and you simply press the WLAN icon to connect to the WiFi internet ...

Page 17: ...ress the Bluetooth icon to turn on the Bluetooth function The DX240 will automatically search for the nearby Bluetooth device At the same time the DX240 will be visible to the nearby devices Choose the device that you would like to pair with After the device has been paired you can use the DX240 in the Bluetooth mode ...

Page 18: ...them Search for the APP that you would like to install Download the APP and install it Method 2 Press the internet browser on the desktop Enter the website address of the APP Find the download icon on the website and start the download Return to the desktop and open download manager Press the on downloaded app and install it ...

Page 19: ...App to Uninstall 18 Press the Settings icon on the desktop and scroll down and press APPs Press the APP that you would like to uninstall Press uninstall to delete the APP ...

Page 20: ...omputer using the furnished USB C cable The DX240 will show on the computer as an external storage Users can transfer files by copying and pasting If you are using a Mac computer please make sure the MTP software Android File Transfer is installed ...

Page 21: ...n purpose After turning on the function of charging connected devices you can charge the devices connected to the DX240 USB Soundcard Turn the DX240 to the USB DAC mode connect the DX240 to a computer via the USB C cable After the DX240 is detected the soundcard driver will be installed automatically Now you can select the DX240 as the audio output device and use it as the USB soundcard ...

Page 22: ...21 System Settings Press Settings icon on the DX240 desktop to go into system settings ...

Page 23: ...be muted for 0 5 seconds on the beginning of the music Gain One of the three gains can be selected Digital Filter A total of seven filters are available for user setting Volume Limitation This sets the volume to a maximum preset point Volume Control Wheel Volume control wheel enabled after the screen is off Press Settings Icon then press Audio Settings 2 ...

Page 24: ...e sure the DX240 is connected to WiFi After online update is selected press Check Update Press Download the DX240 will start downloading the available update package After the download complete press Update Now to start the firmware update ...

Page 25: ...rom our website If it is a rar file extract it Press the icon located on the top right corner then press Local Update Browse the folder where the firmware file is saved and select the firmware file Press Update Now to start the firmware update 24 ...

Page 26: ...25 Firmware Version Press Settings icon System About DX240 Scroll down the page the Build number is the firmware version ...

Page 27: ...Power Off Reboot And System Switching Long press the power button for 3 seconds There is a pop up window with three options When To Mango is selected system will be switched to Mango OS 26 ...

Page 28: ... the playback screen one can swipe left and right on the Album artwork area to switch a song Press the icon on the top left corner to go into Music Screen Press the icon on the top right corner to go into Settings No matter which sub screens of the Music Screen you are browsing press the thumbnail icon on the bottom left to return to the playback screen ...

Page 29: ...en Music screen Settings Battery indicator for digital section WiFi Sample Rate Gain Volume L R Balance Digital Filter Equalizer Track title Artist name Music info Previous Rewind Play Mode Next Fast Forward Play Pause Now Playing ...

Page 30: ...isplay the now playing screen One can swipe a song to the left to display the Delete button Press the delete button to remove it from this now playing list Press the Music info icon the album artwork will show the music info Press the music info icon again it will return to album artwork ...

Page 31: ...y view icon to browse in file structure 30 Music Screen Search bar Directory view Detail view Navigation bar Playback bar Thumbnail artwork Play Pause Track title and artist name of the song that is playing Now playing Music format Long press Music order Track title Artist name Navigation bar management ...

Page 32: ...swipe it left or right to choose All Music view Album view Artist view Genre view Now Playing view or Playlist view Long Press Long pressing a song will pop up a window with more options Navigation Bar Management To customize the navigation bar and music screen Thumbnail artwork Press to return to the playback screen 31 ...

Page 33: ...Further Options Long Press of a song will pop up a window with further options that allows to play this song add this song to a playlist or delete this song Long Press Pop up 32 ...

Page 34: ...Artist View Thumbnail view Artwork view Thumbnail view Artwork view 33 Album View ...

Page 35: ...st exporting the pla ylist or deletion of the playlist The playlist can be found on the internal storage of the iBasso mango player folder after the playlist has been exported New Playlist Press the New Playlist to create a playlist On the pop up window one can name the playlist and add playlist description Playlist View ...

Page 36: ...35 Press the icon located on the right side of the navigation bar to go into the navigation bar management and music sorting screen Navigation Bar Management Screen ...

Page 37: ...bar Otherwise it will not be shown All Music View Sorting One can sort the all music view by title album artist added time or folder Now Playing View Sorting One can sort the Now Playing by title album artist added time or folder Album View Settings One can choose between the thumbnail view and artwork view Artist View Settings One can choose between the thumbnail view and artwork view ...

Page 38: ... go into directory view One can browse the music files under internal storage and SD card via folder structure Press Internal Storage to see music files under internal storage Press SD Card to see music files under SD card Press the return button will move back one page at a time Directory View ...

Page 39: ...38 Input the keywords to search a track an album or an artist Search Screen ...

Page 40: ...he gapless to eliminate the gap between two tracks Gain There are three gain settings The low gain has the lowest noise floor and is good for ultra sensitive IEMs Settings Screen Press the Settings icon to go into settings screen ...

Page 41: ... Advanced To access to more system settings One can choose the desired play mode here To enable the folder play function tick the Folder Play then select either the order play mode or loop play mode After a full media scan or rescan the library you can go to Directory and select a song under a folder After this folder is played the DX240 will play the next folder ...

Page 42: ...41 The DX240 has two types of Equalizers Graphic EQ and Parametric EQ Equalizer ...

Page 43: ... equalizer as desired by selecting them How to Adjust The EQ Settings Press on the response curve the 10 band slide bars will show up One can adjust the EQ settings by positioning the bars up or down Press the button of the Graphic Equalizer to enable the Graphic Equalizer Graphic Equalizer ...

Page 44: ...f the Parametric Equalizer to enable the it Parametric Equalizer How to Go Into The Parametric EQ Setting Screen Press the response curve to go into the parametric EQ setting screen Press the button of the Parametric Equalizer to enable the it ...

Page 45: ...44 Settings on the Selection Bar One can swipe left and right to select a setting Parametric Equalizer Setting Screen ...

Page 46: ...Fc This is the central frequency Input a value between 33Hz to 16 000Hz This is the gain for each central frequency Input a value between 20dB to 20dB Gain This is the quality factor Input a value between 0 3 to 20 Q Factor Filter Navigation Bar There are maximum of 6 filters allowed for each setting One can swipe left and right to select a filter then customize it ...

Page 47: ...ct compared the central frequency The smaller value of the Q factor the larger the effect in relation to the central frequency The following are the curves of the filters Fc 100Hz gain 4dB Parametric Equalizer Setting Instruction 1 Low Pass Filter The frequency higher than the central frequency will be affected Gain setting is ineffective with low pass filter 2 3 4 5 6 10 20 30 100 200 1k Q 0 7071 Q 20...

Page 48: ...affected Gain setting is ineffective with high pass filter 3 All Pass Filte There is no effect besides the central frequency Gain setting is ineffective with all pass filter Q 0 7071 Q 20 2 3 4 5 6 10 20 30 100 200 1k 4 5 6 78910 20 30 40 50 100 200 300 1k 2 3 4 5 6 10 20 30 100 200 1k ...

Page 49: ...Gain setting is ineffective with band filter 5 Peak Filter There is a large effect on the central frequency The frequency beside the central frequency has similar effect Q 0 7071 Q 20 2 3 4 5 6 10 20 30 100 200 1k 4 5 6 78910 20 30 40 50 100 200 300 1k Q 0 7071 Q 20 4 5 6 78910 20 30 40 50 100 200 300 1k 2 3 4 5 6 10 20 30 100 200 1k ...

Page 50: ... effect Gain setting is ineffective with notch filter 7 High Shelf Filter There is a wide effect on the frequency that is higher than the central frequency 2 3 4 5 6 10 20 30 100 200 1k Q 0 7071 Q 20 4 5 6 78910 20 30 40 50 100 200 300 1k Q 0 7071 Q 20 4 5 6 78910 20 30 40 50 100 200 300 1k 2 3 4 5 6 10 20 30 100 200 1k ...

Page 51: ...50 8 Low Shelf Filter There is a wide effect on the frequency that is lower than the central frequency Q 0 7071 Q 20 4 5 6 789 10 20 30 40 50 100 200 300 1k 2 3 4 5 6 10 20 30 100 200 1k ...

Page 52: ...51 L R Balance Turn clockwise to decrease to volume in right channel Turn in the counterclockwise direction to decrease the volume in left channel ...

Page 53: ...52 Digital Filter There are seven digital filters available Press a digital filter to view the figure Digital Filter ...

Page 54: ...53 To access more system settings Advanced ...

Page 55: ...0 to a computer via the USB C cable After the DX240 is detected the soundcard driver will be installed automatically Now you can select the DX240 as the audio output device and use it as the USB soundcard The DX240 supports up to 32bit 384kHz PCM and DoP DSD up to 128x when be used as a USB DAC On Windows OS the USB DAC function supports WASAPI USB DAC ...

Page 56: ... DAC After turning on the Bluetooth DAC Bluetooth devices such as a mobile phone can be paired with the DX240 The DX240 can now stream from the connected Bluetooth device Note When in Bluetooth DAC mode the DX240 supports AAC and SBC ...

Page 57: ...round picture Playback screen album artwork choose to display rectangular artwork or rounded artwork Lock screen artwork display the album artwork on the lock screen Year tag display year information of the ID3 on the playback screen Alphabetic scrolling bar use alphabetic scrolling bar instead of the traditional scrolling bar ...

Page 58: ...e left hand side is the value of hours The right hand is the value of minutes The DX240 will be powered off after the counter has completed If there are any operations in the meanwhile the DX240 will start the counter again after the last operation Sleep Timer ...

Page 59: ...58 One can see the Mango music player APP version on this screen Also one can see the space available of the internal memory and micro SD card System Info ...

Page 60: ...9 Mango OS To reboot to Mango OS from Android first of all long press the power button for 3 seconds to pop up a window with three options When To Mango is selected the system will switch to the Mango OS ...

Page 61: ...playback screen homepage my music and settings On the Music playback screen press the icon to go to My Music press the icon to go to Settings The Mango OS operation is similar to the iBasso Mango APP please refer to the iBasso Mango APP instruction for any questions ...

Page 62: ...61 To return to the Android System go into the settings menu press Android System then press Yes ...

Page 63: ...62 MTP File Transfer After MTP is turned on the DX240 can be connected to a computer for file transfer ...

Page 64: ...gh to stream or download MQA or MQA indicates that the product is decoding and playing an MQA file and denotes provenance to ensure that the sound is identical to that of the source material MQA indicates it is playing an MQA Studio file which has either been approved in the studio by the artist producer or has been verified by the copyright owner MQA is a registered trade mark of MQA Limited 2018 ...

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