FiiO X1 (Gold) + HIFIMAN RE-400 Waterline

Portable High Resolution Lossless Music Player plus Waterline Premium Wired In-Ear Monitor Headphones

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This item has been discontinued

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FiiO X1 (Gold)

Portable High Resolution Lossless Music Player
Quantity: 1

General Features:

  • Portable High Resolution Lossless Music Player
  • Built-in Separate Amplifier and DAC
  • 2.0 inch Color TFT screen with 320x240 Resolution
  • Micro SD Card Supported
  • Independent Charging Indicator
  • Signal to Noise Ratio: 110dB
  • Battery Life: 12 Hrs
  • Headphone Impedance Range: 16 - 100 ohms
  • Lossless:
    • APE (Fast): 192 kHz/24 bit
    • APE (Normal): 96 kHz/24 bit
    • APE (High): 96 kHz/24 bit
    • FLAC: 192 kHz/24 bit
    • WAV: 192 kHz/24 bit
    • WMA 9.1 LOSSLESS: 48 kHz/24 bit
    • Apple Lossless: 192 kHz/24 bit
  • Compressed Music Files:
    • MP2, MP3, AAC, ALAC&, WMA and OGG
  • Dimensions: 2.23"W x 0.55"D x 3.80"H
  • Color: Gold
  • Available Colors:
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

HIFIMAN RE-400 Waterline

Waterline Premium Wired In-Ear Monitor Headphones w/ Premium Titanium Diaphragm
Quantity: 1

General Features:

  • Premium Quality High Performance Wired In-Ear Monitors
  • Advanced ergonomic design
  • Durable titanium diaphragm
  • OFC copper cabling
  • Neodymium magnets
  • Includes different size tips for added comfort
  • Primary Color: Silver
  • Accent Colors: Black
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product Specifications:

  • Driver Size: 8.5mm
  • Frequency Response: 15-22,000 Hz
  • Sensitivity: 102dB
  • Nominal Impedance: 32 Ohms
  • Cable:
    • Detachable: No
    • Cord Length: 52"
  • Plug Size: 3.5mm

What's in the Box?

HIFIMAN RE-400 Waterline What's in the Box?
  1. HIFIMAN RE-400 Waterline In-Ear Monitors
  2. Replacement Ear Tips
  3. Shirt Clip
  4. Softshell Case
  5. User Guide

Note: HiFiMAN products can only be shipped to customers in the United States

Also found as: RE400

General Features

Primary Color
This is the main color of the item.
Memory Type
The type of memory the item uses.
Memory Capacity
The maximum amount of memory the item can hold.
128 MB
Power Source
The type of battery the item uses. Some batteries are rechargeable, while others are not.

Rechargeable alkaline, nickel cadmium, nickel metal hydride, lithium ion, and lithium ion polymer are all examples of rechargeable batteries.

Some batteries are integrated and built into the item, while others are removable.

Battery Life (Audio)
The average length that the unit will play audio on one battery charge.
12 hours
Connection Type
How the unit is connected to its source to send and receive information and data.

On some items such as wire or cables, this specifies how the cables connect to transfer the signals.

Video Playback
This item is capable of playing videos.

Display and Controls

Screen Size
The screen size dimension is measured diagonally in inches.
Screen Type
The type of technology used to produce the screen images. LCD, DLP, Plasma, LCoS, and CRT are the most common. 2 newer technologies include LED and OLED which use light-emitting diodes (LEDs) as a backlight, as opposed to conventional LCD TVs, which use cold-cathode fluorescent lamps (CCFL) for a backlight.
Resolution (pixels)
A display's pixel resolution defines its ability to resolve fine details. Digital TVs and projectors measure screen resolution in pixels. The higher the resolution, the more detailed the picture will be.
320 x 240 
If a unit is touchscreen capable, you can control a majority of it's functions by touching the screen.
Control Type
This is the method in which the unit is controlled.
Selection Wheel and Buttons
ID3 Tagging
An ID3 tag is most commonly used in conjunction with MP3 audio files. The ID3 tag allows the title, artist, album, track number, and other information to be displayed.

Audio Playback

The unit offers MP3 playback.

MP3 should not be confused with MPEG-3. MP3 files are the third audio layer of a MPEG-1 file. The compression algorithm of a MP3 file reduces the file size while keeping the audio quality.

The unit offers the playback of WMA files.

WMA stands for Windows Media Audio and was developed by Microsoft. It is a file used specifically for audio.

The unit will play AAC files.

The audio compression AAC stands for Advanced Audio Coding. They generally tend to have better sound quality than most MP3 files.


Extra Features

Memory Card Reader
Whether or not the receiver has a built-in input for removable memory cards such as SD (Secure Digital) cards or MMC (Multimedia) cards.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

Browse 1 question and 1 answer
Hide answersShow all answers | Sort by
Can it take a 256 gn SD card, also what does it mean by lossless?
A shopper on Jan 21, 2016
Best Answer: 128 unless they've released new firmware of which I am unaware.
Reply · Report · MICHAEL L on Mar 19, 2016
· Add Answer · I Have This Question Too (0)

Product Summary


Model Number




Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: FiiO X1 (Gold) + HIFIMAN RE-400 Waterline

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FiiO X1 (Gold) + HIFIMAN RE-400 Waterline

Portable High Resolution Lossless Music Player plus Waterline Premium Wired In-Ear Monitor Headphones


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