Fosi Audio T20X MKII Vacuum Tube Amplifier

• High-Performance Chip, Outstanding Sound Quality 
  The T20X MKII Bluetooth amplifier features the TI TPA3255 high-performance digital amplifier chip, delivering a maximum output power of 150W×2@4Ω with a signal-to-noise ratio (SNR) of ≥102dB and a frequency response of 20Hz-20kHz(±1.2dB). Equipped with the QCC3031 Bluetooth chip, it supports Bluetooth 5.1 lossless transmission with a range of ≥15m (barrier-free) and compatibility with multiple transmission formats such as SBC/AAC/aptX/aptX HD/aptX LL, ensuring stable and high-quality wireless audio transmission. 
• Classic Vacuum Tubes, Warm Sound Enjoyment 
  Powered by Soviet 6Ж2П vacuum tubes, it delivers a unique warm and rich sound. The vacuum tubes feature a glass enclosure and precision internal structure, effectively enhancing the sound quality and depth, providing a true-to-life listening experience with HI-FI quality. 
• Convenient Bluetooth Connection, Stable Wireless Transmission 
  Supporting Bluetooth 5.1 lossless transmission with ultra-low latency (≤50ms) and exceptional clarity, it ensures audio and video synchronization for a smooth and natural wireless listening experience. The QCC3031 Bluetooth chip offers superior connection stability, reducing signal interference and transmission loss to guarantee the integrity and accuracy of audio data. 
• Compact Design, Suitable for Various Scenarios 
  With compact dimensions of 122×137×41mm and a weight of only 1060g, it is suitable for home use, desktops, and other scenarios. Its small size and powerful performance make it ideal for both home theater systems and desktop audio setups, providing high-quality audio support. 
• Versatile Interfaces, Flexible Connections and Expansion
  It is equipped with a variety of input and output interfaces, including 1 Bluetooth input (QCC3031 chip), 1 RCA input, 1 passive speaker output (4-8Ω), 1 3.5mm headphone output, 1 pre-output (pre-out), and 1 power supply input (DC24-32V). This allows for compatibility with passive speakers, headphones, and other devices, meeting the needs of different music systems and enabling flexible system configuration. 

Specifications:

• Model: T20X MKII

• Power Adapter: 32V/5A, DC Input Range: 24-32V

• Headphones Output: 16-300Ohm

• Terminating Impedance: 4 Ohm - 8 Ohm

• MAX Power Output: 150W x 2

• SNR ≥ 102dB

• Amplifier Chip: TPA3255

• Frequency Range: 20Hz - 20kHz (±1.2 dB)

• Input Mode: Bluetooth and RCA

• Bluetooth Chip: QCC3031

• Bluetooth Version: 5.1

• Bluetooth Range:≥15m (barrier-free)

• Bluetooth Codecs: SBC/AAC/aptX/aptX HD/aptX LL

Package Include:

• T20X MKII Amplifier x1
• 32V 5A Power Supply x1
• User Manual x1