QA-660 Digital Music Transport User
’
s Guide QLS -HiFi
2
1 Product Introduction
1.1 Overview
The QA-660 master-tape grade digital transport /player (hereinafter referred to as QA660) is a
HI-END product produced for enthusiastic fans. Its software was developed for three years and
its hardware was upgraded multiple times by QLS-HiFi. It is an enthusiast digital player that can
catch up with and even surpass most CD players; its extremely perfect sound performance can
completely show the real potential of your system. the complex power supply, most real-time
software structure, ultra-low Jitter clock and digital processing circuit can ensure its HI-END
grade ultra-low jitter digital output characteristic.
1.2 Storage Medium
SD Card: SD / SDHC / SDXC are all available, FAT32 file systerm, maximum storage is 128
GB SDXC.
Note:
1) If the SD card is used for the first time, please format it to the FAT32 file system with
corresponding formatting tools.
2) The SD card along with player is usually formatted, and there are also some test tracks which
can be used directly.
1.3 Audio Format
QA660 Support the following audio formats:
- WAV
: Support 16/24bit, 44.1~192 kHz.
- FLAC
: Support 16/24bit, 44.1 kHz~48 kHz, compression level 0~8.
- APE
: Support 16 bit, 44.1 kHz, compression level fast and normal.
- WAVPack : Support 16 bit, 44.1 kHz, compression level fast mode and high quality.
- MP3
: Support 16bit, 44.1/48 kHz, 96k bps~320k bps, CBR/VBR/ABR encoding.
- CUE
: Support ANSI / UNICODE / UTF-8 Encoding.
1.4 Functional Interface
1.4.1 Front Panel
1- Infrared Receive
2- OLED Display Area
3- Function-Setting Key (such as random play mode)
4- Back Key
5- Navigation Keys (Up/Down/Left/Right)
6- Play/Pause/Enter/Upgrade Key
