QA-550--Hi-End SD Card WAV Digital Audio Player

WAV Player isreplace your CD player , high accuracy clock and thesophisticated digital output circuit, far superior to mostCD player, no matter the speed, stability, error correction,jitter reduction. They are actually the technology ofdifferent eras. It provides better sound quality, largerstorage capacity .

No matter what thequality of your CD transport / player is, its probably notgoing to come close to offering the same performance as thiscompact, futuristic little gadget. Utilising cheap andwidely available SD memory cards that can each store up to16gb of uncompressed WAV files, the CD is a thing of thepast.
It effectively isolated the serious interference from withinthe PC/Mac case. e.g. the high frequency data signals, theswitching-mode power supply and the FAN motors, etc…

The ideal CD transport is not a CDtransport, its one of these WAV SD transports.
Reasons why the QA-550 is better than a traditional CDtransport...

• No moving parts to wear out.Consistant performance every time!
• Won't suffer from stability issuescaused by dust, dirt or smoke
• No reason to take your valueble CDsout of their cases each time you want to listen
• WAV files are error corrected sodon't need real time error correction unlike CDs
• Far less jitter than most CDtransports / players, even very pricey ones. Soundsbetter
• Totally resistant to vibrations. Noskipping nor any need to keep on expensive Hi-Fi rack
• High Accuracy system clock ensuresjitter level is miniscule
• Whole box sets of your favourite CDmusic collections can be captured in glorious,uncompressed WAV format onto a tiny SD card no biggerthan a postage stamp!
• Can be used to play music forextended periods for equipment "burn ins". No mechanicalparts such as lasers or motors to wear out

About WAVs...

WAV files are the favourite format choiceof people who can't bear the sonic difficiencies of thelossy compressed MP3 format yet want to store, preserve andplayback treasured CD collections from their computer harddisk drives.

Up until now, these people would simply becontent to use their computer as their main Hi-Fi sourcecomponent.

Whilst excellent at converting CDs to WAVfiles, the PC / Mac is still not the ideal music plackbackdevice. The majority if PCs don't have the bestpowersupplies and are absolutly packed with noisy,interference inducing components. Multiple noisy fans buzzaway constantly and due to components fighting over limitedresources, "pops" and stutters on the audio are notuncommon.

In these days of hugely expensive utilitybills, the electricity consumed in putting a computer to usefor considerable periods just for music playback is alsoquite considerable as is wear and tear to the hardisks.

Reasons why the QA-550 is a bettermusic transport than a PC...

• Silent (no moving parts)
• Powered by dedicated 9v dc linearpower supply. Helps reduce jitter
• No pops stutters or audio glitches(assuming that WAVs were extracted with love by EAC)
• Uses nowhere near the amount ofenergy that a PC needs
• Far more compact than even thesmallest laptop PC
• Useful remote control functionality

Specifications...

• Plays 44.1kHz 16-bit WAV files
• Main CPU use PIC 16bit MCU, Firmwareupgradeable,Separateuse another MCU for remote Receive.
• Supports up to 90 folders (up to 900music tracks)
  Support control folders up(+1) or folders down(-1).
  Support directly input number for play the correspondingmusic, You can input 1bit(1-9)or 2bit(10-99) or3bit(100-550).