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HiFiMAN HM901R, User Manual, Page: 7 / 31

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HiFiMAN HM901R User Manual Download Page 7

05

Volume Dial

1.  Long press for 3 seconds to turn on/off. 
2. Long press for 10 seconds to force restart.
3. Using the HIFIMAN APP, a short press will act as 
    play/pause.

*  It is recommended to insert the microSD card first    
   before powering up the HM901R. When no card is 
   inserted the HM901R will add a delay when powering 
   as it“searches” for a card.

1.  Rotate the volume dial clockwise to increase the volume.
   The volume will increase by one level every notch and the   
    maximum volume is 32.
2. Rotate the volume dial anticlockwise to decrease the 
    volume. 
3. Please Note:  There is no volume display on the HM901R, 
    the volume will only be displayed on the phone / mobile  
    device. 

Power / Play / Pause Button

Operation

Summary of Contents for HM901R

Page 1: ...HM901R User Guide ...

Page 2: ...Welcome Thank you for purchasing the HM901R Portable DAC Bluetooth USB C Please read this quick guide before using the HM901R ...

Page 3: ...ode Product Overview Operation Interface 4 4mm Balanced Line Output Wiring Specifications DAC Specifications Supported music formats Safety Instructions FCC Warning Warranty Customer Service 02 03 04 05 10 11 17 20 21 22 24 26 Table of Contents ...

Page 4: ...y vary depending on the transmitting device phone For operating systems previous to Windows 10 go to the HIFIMAN Support website to download the driver and install it For WIN10 and MAC OS operating systems no instillation is needed Additional cables may be required to connect to a mobile device HIFIMAN cannot guarantee mobile devices compatibility Connect a TYPE C USB data cable to connect the HM9...

Page 5: ...users please contact the official customer service or download the latest version of the APP from the service section of the official website After the phone is installed follow the prompts to connect to Bluetooth and follow the APP prompts to use the HIFIMAN APP to remotely play the music in the TF card on the HM901R HIFIMAN APP remote play mode ...

Page 6: ...ED USB DAC LED Lock Unlock TF card slot Type C USB Socket Charging LED 3 5mm Line Out 3 5mmSingle Balanced Output Volume Control Important When the TF Card LED is shining please do not put off the TF card Power on Poweroff Play Pause Input choice Output choice Gain Choice Charging Button ...

Page 7: ... When no card is inserted the HM901R will add a delay when powering as it searches for a card 1 Rotate the volume dial clockwise to increase the volume The volume will increase by one level every notch and the maximum volume is 32 2 Rotate the volume dial anticlockwise to decrease the volume 3 Please Note There is no volume display on the HM901R the volume will only be displayed on the phone mobil...

Page 8: ...ch to 3 5mm earphone single ended output When selected the 3 5mm Output LED will be blue 3 Press the button again to switch to 4 4mm headphone balanced output When selected the 4 4mm Output LED will be green 4 Continue to press the button once to switch to 3 5mm line output When selected the 4 4mm Output LED will be blue 5 Press the output selection key again to cycle through in the above sequence...

Page 9: ...witch the USB DAC status light will be steady green Click the input selection button again to return to Bluetooth mode Please refer to the Gain LED on top of the HM901R Press Gain to switch the gain level Red denotes High Gain and Blue indicates Low Gain mode High Gain is suitable for headphones with low sensitivity and high impedance Low Gain driving is suitable for earphones or headphones with h...

Page 10: ...he body Push up from the bottom in parallel to close Open the back cover to change the amplifier card In order to customise for different headphones earphones and customers HIFIMAN provides a variety of amp cards to choose from Please see the following diagram for the steps to replace the amplifier card Removable Back Cover 08 Operation ...

Page 11: ... In this state the charging status LED flashes red and green alternately 3 When the battery is low the charging status LED will flash red If the battery is too low the HM901R will shut down It is recommended to use a 5V2A or more fast charging charger this can significantly speed up the charging process 1 Slide up and down to lock unlock the HM901R in its current state Locked will disable all other b...

Page 12: ...Equipped with 3 5mm and 4 4mm headphone outputs Use with headphones with 3 5mm or 4 4mm jacks 2 The 3 5mm headphone socket supports Balanced and Normal single ended modes which are suitable for TRRS Balanced headphones and TRS normal single ended 3 5mm headphones 3 The 4 4mm headphone jack is in Balanced mode by default 4 When using the 3 5mm line output jack Before use pay attention to the output...

Page 13: ...ed Line Output Wiring Specifications 4 4mm balanced Plug schematic is as follows For 4 4mm Balanced to dual XLR connections the balanced output should be as wired as follows L L R R GND 19 5mm L L R R GND 19 5mm 3 2 1G 11 ...

Page 14: ...4 4mm balanced to single ended RCA connections should be made as follows L L R R GND 4 4mm Balanced Line Output Wiring Specifications 12 ...

Page 15: ...L L R R GND 4 4mm balanced to dual mono 6 3mm connections should be made as follows 4 4mm Balanced Line Output Wiring Specifications 13 ...

Page 16: ...L L R R GND 4 4mm balanced to dual stereo 6 3mm connections should be made as follows 4 4mm Balanced Line Output Wiring Specifications 14 ...

Page 17: ...L L R R GND 4 4mm balanced to single ended 3 5mm connections should be made as follows 4 4mm Balanced Line Output Wiring Specifications 15 ...

Page 18: ...Please note Do not use an ungrounded connector as prolonged use may damage the HM901R 1 2 3 4 4 4mm Balanced Line Output Wiring Specifications 16 ...

Page 19: ...cable to a USB Camera Converter Lightning to USB3 Camera Converter Type C to Lighting cables cannot be used Please use Apple s Type C to Type A adapter when connecting to MAC Note When connecting the HM1000 to products running iOS first change the charging button to the no charging mode then connect the HM901R to the device and switch the input mode of HM901R to USB AUDIO mode USB DAC DAC 17 ...

Page 20: ...Type C Type A Lightning Type A DAC 18 ...

Page 21: ...nd support Driver and download the HM901R driver 2 Unzip the compressed package select the driver and continue to install the driver 3 Use a type C USB data cable to connect the HM901R to the computer 4 Set the HM901R to USB DAC mode 5 In Windows controls set Control Panel Sound Play and select HM901R 6 Now you can use the HM901R listen to audio from the computer USB DAC Driver DAC 19 ...

Page 22: ...aries with amp card Micro SD card maximum support 1TB FAT32 Output mode 3 5mm single ended 3 5mm balanced 4 4mm balanced 3 5mm line output Bluetooth protocol support LDAC aptX HD aptX AAC SBC Frequency response 20Hz 20kHz Distortion 0 0019 S N ratio 115dB Specifications 3 5mm Line Output Parameters 20 ...

Page 23: ...Hz 16bit 88 2kHz 16bit 96kHz 16bit 176 4kHz 16bit 192KHz 24bit 44 1kHz 24bit 48kHz 24bit 88 2kHz 24bit 96kHz 24bit 176 4kHz 24bit 192kHz 1bit 2 8MHz DSD64 APE Supported Music Formats Other Music Formats MP3 OGG AAC WMA DSD file support to DSD64 DFF and DSF 21 ...

Page 24: ...sh conditions 3 A suitable operating temperature environment should be between 6 To 40 Storage should be at normal room temperature 4 Do not use any chemicals or detergents to clean the player 5 Do not use while driving or operating motorized vehicles 6 If you experience physical discomfort please discontinue use and consult your audiologist 22 ...

Page 25: ...ropean Union Disposal information This symbol means that according to local laws and regulations your product should be disposed of separately from household waste When this product reaches its end of life take it to a collection point designated by local authorities Consumers can be punished by penalty for inappropriate disposal of electronic device The separate collection and recycling of your p...

Page 26: ...le protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interfer...

Page 27: ...cuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help NOTE 2 Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC Warning 25 ...

Page 28: ... does not apply to any defects attributable to damage beyond the reasonable control of HIFIMAN including damage caused by abuse misuse misapplication or modifications performed by anyone other than HIFIMAN If your product is under warranty and a problem appears please contact HIFIMAN customer service or your authorized dealer If necessary and at our discretion we will provide a warranty repair or r...

Page 29: ...t abuse neglect or misuse 5 If you do not have a valid dated receipt showing proof of purchase 6 Damage caused by services repairs or other modifications to the system carried out by anyone other than HIFIMAN or an authorized HIFIMAN distributor or dealer 7 Damage caused by self repair or if the unit has been disassembled or modified in any way HIFIMAN greatly desires your satisfaction and will do e...

Page 30: ...rvice HIFIMAN com from us and explain the issue in detail Should a return be required a Return Authorization will be issued Return shipping to HIFIMAN or authorized service facility will be at the owner s expense The warranty applies to the first purchaser and is not transferable Warranty Customer Service ...

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