QA550 WAV Player user manual

HiFi Player

• QA662 Digital Audio Player
• QA390LE/MOD Movable Player
• QA361 Pure Sound Music Player
• QA661 Digital Audio Player

HiFi DAC

• MUB5 R2R DAC & Headphone Amp
• MUB1 USB & Bluetooth/DAC & Amp
• MC01/se Portable USB DAC & AMP
• QA390LE/MOD Movable Player

HiFi Periphery

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

Brand Introduction

Founded in 2005, Quloos is committed to building a century-spanning HiFi brand. We uphold the philosophy of "For Sound Quality—No Compromise" By focusing on one product at a time and dedicating all resources to long-term R&D, we ensure every device is an irreplaceable masterpiece. Our QA360, QA390,and MUB series stand as acclaimed icons among global audio enthusiasts.