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HIFIMAN EF400
Owner's Guide

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Summary of Contents for HiFiMAN EF400

  • Page 1 HIFIMAN EF400 Owner’s Guide...
  • Page 2 HIFIMAN EF400 Owner's Guide Thank you for choosing the HIFIMAN EF400, our DAC and amplifier that is one of the finest on the market. This Owner’s Manual will provide a helpful overview and familiarize you with the product’s features and proper usage.
  • Page 3: Specifications

    HIFIMAN EF400 Owner's Guide Specifications: THD+N (Line out): Between 0.002% and 0.004% Channel Separation: 125±3dB Signal to Noise Ratio: 118±3dB (A Weighted) Maximum Power Output: 4.4 W per channel Dimensions: 246.5mm(L)×228mm(W)×61mm(H) Weight: 3.08kg In-box Accessories: Power Cable x 1...
  • Page 4: Headphone Out

    HIFIMAN EF400 Owner's Guide EF400 Front Panel Layout ① 4-level Function Switch: High Gain NOS, High Gain OS, Low Gain OS, Low Gain NOS ② 6.35mm Single-ended ③ 3.5mm Single-ended ④ 4.4mm Balanced ⑤ XLR 4-Pin Balanced Output ⑥ Volume Control...
  • Page 5 HIFIMAN EF400 Owner's Guide EF400 Rear Panel Layout ⑦ Balanced Output Right Channel: right channel connection of CANNON Balanced output ⑧ Balanced Output Left Channel: left channel connection of CANNON Balanced output ⑨ RCA (Single-ended) ⑩ USB Type C USB-B...
  • Page 6 HIFIMAN EF400 Owner's Guide EF400 Bottom Panel Layout 115V/230V AC Switch: select local power source Select the appropriate voltage for your country before connecting the power cord.
  • Page 7 For WIN XP and older, please visit http://hifiman.com/services to download the appropriate driver. Connect to Mobile Phone Connect the HIFIMAN EF400 to a mobile phone with the appropriate USB cable. ( Note: USB charging cable is not applicable. ) Confirm setup connection: The mobile phone should automatically recognize the device.
  • Page 8 HIFIMAN EF400 Owner's Guide The Soul of EF400 - HIMALAYA DAC HIFIMAN Independent Research and Development, R2R Architecture DAC HIFIMAN is famous for its audiophile headphones and digital audio players. As a company that is committed to satisfying the demands of discerning listeners through advanced, yet cost-effective designs, HIFIMAN is proud to present its latest achievement: the HIMALAYA DAC.
  • Page 9 3. Connect the power cord to the desktop DAC and Amplifier. 4. In the unlikely event there is a malfunction when the EF400 is connected to a source eg. PC/laptop, tablet, mobile handset, via a USB-B or USB-C cable, HIFIMAN recommends you re-boot both the EF400 and the source device, and unplug/replug the USB cable. ...
  • Page 10 Your product is warrantied for a period of one year beginning with the original date of purchase. If you join HIFIMAN on Facebook, your product warranty will be extended for an additional six months. Please contact HIFIMAN customer service if you need any assistance.  ...
  • Page 11 If you have any questions or concerns with your product, simply contact your authorized dealer or HIFIMAN directly (if purchased from us) and explain the issue in detail. Should a return be required, a RA# will be issued. Return shipping to HIFIMAN or authorized service facility will be at the owner’s expense.
  • Page 12 HIFIMAN EF400 Owner's Guide Correct disposing of waste electrical and electronic equipment (WEEE) and symbol of the “crossed-out wheeled bin” The crossed-out wheeled bin on WEEE means that you are obliged by law to dispose of this equipment separately from the unsorted municipal waste collection system.
  • Page 13 Customer Service Tel: 1- 201-443-4626 E-mail: customerservice@HIFIMAN.com Website: www.HIFIMAN.com...