QA550 Player V11 Version Firmware

HiFi Player

• QA390LE
• QA390MOD
• QA390
• QA662

HiFi DAC

• QA390MOD
• MUB5
• MUB1
• QA890

HiFi Periphery

• QP02 Power Supply
• QU02 USB Bridge
• LPS-12i Power Supply
• PS1 Power Supply

Brand Introduction

Quloos was founded in 2004. Born from dreams and dedicated out of passion, the brand devotes itself to designing and crafting Hi-Fi audio products that deliver an authentic live sound experience. Upholding the ultimate audiophile pursuit in every product, it makes zero compromise on sound quality alone, striving to build a time-honored century-old Hi-Fi brand rooted in China.