xDuoo (Shenzhen xDuoo Technology Co., Ltd.) is a professional Chinese HiFi audio equipment manufacturer based in Shenzhen, Guangdong Province, with over a decade of experience in developing, designing, and marketing high-end audio gear, having evolved from an ODM (original design manufacturer) serving well-known brands for many years to launching their own successful brand nearly a decade ago that has won wide acclaim in the international market. Founded with a strong technical team possessing professional knowledge backgrounds and unique audio tuning methods, xDuoo has established itself as a perfect Chi-Fi representative with all products designed and manufactured in mainland China, earning recognition for reliable performance, competitive pricing, and innovative engineering that meets diverse audiophile needs. The company operates with the philosophy 'Customer satisfaction is our driving force!' while maintaining focus on headphone amplifiers, audio decoders, USB interface audio decoders (PCHiFi), power amplifiers, and digital audio players, having designed over 100 product models with multiple patented technologies that demonstrate their comprehensive expertise in the audio field. xDuoo's extensive product portfolio spans both portable and desktop audio solutions, including popular models such as the XD05 BAL portable DAC/amplifier featuring dual ES9038Q2M DAC chips, the Link10 compact DAC with Cirrus Logic CS43131 chips supporting up to 32bit/384kHz PCM and DSD256, the X5 digital music player with balanced architecture, and the acclaimed TA-20 tube headphone amplifier that initially gained recognition for delivering high-value desktop tube amplification. The company has designed over 130 products featuring cutting-edge technologies like high-resolution audio support (PCM up to 32bit/384kHz, DSD256), premium DAC chip implementations (ES9038Q2M, CS43131, AK4493), OpAmp rolling capabilities, balanced and unbalanced outputs, and both tube and solid-state amplification options that cater to the full spectrum of audiophile preferences and budgets. With their trademark XDUOO covering portable media players, amplifiers, headphones, earphones, and various audio equipment registered globally, the company continues expanding their international presence through their official online store offering global free shipping while maintaining their reputation for award-winning products that combine innovative design with accessible pricing. Operating from their Shenzhen headquarters with a commitment to continuous product development and comprehensive user experience, xDuoo has successfully transitioned from ODM manufacturing to establishing their own globally recognized brand that serves both entry-level and experienced audiophiles seeking high-quality audio solutions with proven technical excellence and competitive value propositions.