Noisy Motel
The Colorfly C4 pioneered the high-end portable audio player market and still remains as one of the benchmark products in its class. Powered by a high-end DAC (Cirrus Logic CS4398) and crafted from North American Walnut, the Colorfly C4 is a beauty to in its own right.

In 2010, Steven Wan and his team of acoustic fans from China combined the portable player with the Hi-Fi stereo and created the first Pocket Hi-Fi player whose SNR is up to 108 dB and can play the audio files of 24 bit/192 KHz SR perfectly in the world.

The three world first of the C4 Pocket Hi-Fi:
  • The first portable player can play the audio files of 24 bit/192 KHz.
  • The first portable player whose jitter less than 5 picoseconds.
  • The first portable player can promote a 300 ohm headphone (many customers are successfully using 600 Ohm headphones)

Regius walnut: black walnut in North America

The outer casing material of the Pocket Hi-Fi C4 player is made of the black walnut in North America. The black walnut had been called regius walnut. The pleasant vignette is formed by the clear, smooth glossy and wavelike grains and the clear annual ring. It provides each music fan a unique player.

Precision: it is manufactured manually.

Wan's team adopted to process the wood by the CNC numerically-controlled machine in the constant temperature and humidity workshop. The design and the special curve on the wood were engraved manually.

The Famous Chip

The successful output of the excellent 24bit/192KHz sound quality was largely attributed to the famous single Hi-Fi CHIP inside, such as the DAC (Digital-to-Analog Converter ) . WAN's team chose the CS4398, a top DAC chip from CIRRUS Logic. It produced quite satisfying quality with a dynamic range up to 120dB, as well as an extremely high decoding performance to decode the 24bit/192KH format.
  • ADI AD823 chip
  • CIRRUS LOGIC CS4398 DAC chip
  • CIRRUS LOGIC CS8422 SRC chip
  • TCXO high-precision crystal Oscillators

A nostalgic stem for adjusting the volume

Colorfly used the flagship series "pro-audio series" of the famous ALPS volume potentiometer in Japan. The dust cover and grounding connection were ordered according to the specifications of the Pocket Hi-Fi player. The rate of the volume error was lower than 5% in average after 1,000 hours' text. The volume error rates of the Hi-Fi player was15% lower than the ALPS official data.

Internal Characteristics

Aim to broadcast the audio of Hi-Fi level fro a portable player the size of a cigarette pack, the assembly such as circuit board, chip, even the capacitor must be selected carefully.

The traditional player used the signal chip whose main structure was made of MPU, DAC and earphone amplifier. This structure always processed the audio at the cost of great loss. This kind of voice sounded stiff, rigid and apathetic. It could make your ears feel tired, if you heard it for a long time. The internal structure of the Pocket Hi-Fi player was much more complex than traditional MP3 player. In the Pocket Hi-Fi player, the original audio must pass through 8 units from input to output for the sake of getting the perfect voice. Please look at the reference chart as follows:

Reducing Jitter

On the basic of top material and the complex unit designs, the structures which were made of by C4 clock generator, TCXO high-precision crystal Oscillators and the CS8422 SRC chip of CIRRUS output the unbelievable rate of jitter which was lower than 5ps.On month day of year, the technique of circuit named Jitter Kill was registered as a patent for the other special technique of the Pocket Hi-Fi player.

  • Set the SRC manually
  • CIRRUS LOGIC CS4398 DAC chip
  • CIRRUS LOGIC CS8422 SRC chip
  • 3.7 V battery, SNR up to 108 Db, THD lowers than 0.003%
  • The precision of 0805 resistance is up to 1% in the simulation
  • Black 3U PCB
  • 3U Gilt RCA interface for SPDIF IN/OUT (top grade)
  • 3U Gilt interface for 6.3mm earphone (top grade)
  • The rate of the Jitter is lower than 5ps
  • Micro SD Card Slot (up to 32GB - not included) to expand memory to 64GB total
  • Audio formats supported: WAV 24-bit up to 192 kHz, FLAC 16-bit up to 192 kHz, APE, MP3 320kbs, WMA, Ogg Vorbis

Code: CFLY-C4

Availability: Due Back Soon
Price: $999.00 (FREE Shipping)

Colorfly C4 Pocket Hi-Fi Digital Audio Player


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