HiFiMAN EF400 Manual del usuario - Página 8

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HIFIMAN EF400

Precautions

1. Make sure the power switch on the rear panel is in off position.

2. Connect the power cord to the desktop DAC and Ampliﬁer.

3. 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.

4. IMPORTANT: Do not reverse the L/R channel while connecting with the audio devices.

5. When using EF400, do not plug in the earphones after turning it on. Turn the volume

potentiometer to the lowest position, plug in the earphones, and slowly turn up the

volume to a suitable level.

6. 6.35mm single-ended and XLR 4-core balanced headphone ports are suitable for

driving low-sensitivity headphones

7. The 3.5mm single-ended and 4.4mm balanced headphone ports are suitable for driving

high-sensitivity in-ear headphones. IMPORTANT: Use them in low-gain mode to avoid

excessive power that may damage the headphones

8. To avoid hearing loss, always maintain a moderate listening volume when using

headphones and earphones.

9. Be careful to ensure the EF400 is used only by adults who understand the proper option.

Keep the DAC/Amp away from children. Likewise, high temperatures and potentially

damaging chemicals and solvents such as butane lighters, gasoline, insecticides, etc.

may cause irreparable damage to the EF400.

Owner's Guide