Fosi Audio T20X MKII Vacuum Tube Amplifier

150Wx2 Hi-Fi Class D Power • TPA3255 Chip • Bluetooth 5.1 aptX-HD

🎵 Premium Hi-Fi Amplifier with Tube Warmth

Experience studio-grade audio quality with the Fosi Audio T20X MKII — a professional Class D amplifier combining 150W×2 power output with vintage 6Ж2П vacuum tube warmth. Perfect for home theater speakers, desktop setups, and audiophile listening stations.

⚡ TI TPA3255 Flagship Chip

Delivers 150W×2@4Ω with ≥102dB SNR and ≥101dB dynamic range for crystal-clear, distortion-free sound. Built-in overload/thermal/short-circuit protection.

📡 Bluetooth 5.1 aptX-HD

15m+ range with aptX-HD/LL codecs for lossless wireless streaming. Also includes RCA input for turntables, TVs, and analog devices.

🔊 All-In-One Output

Drive passive speakers (4-8Ω), active subwoofers (pre-out), and headphones (16-300Ω) simultaneously — no extra adapters needed.

🎛️ Tube Sound + Custom EQ

6Ж2П vacuum tube adds analog warmth to vocals and instruments. Adjustable bass/treble controls let you tailor sound for any genre.

📊 Technical Specifications

ModelT20X MKII
Amplifier ChipTexas Instruments TPA3255
Power Output150W × 2 (Max @ 4Ω)
Bluetooth Version5.1 with QCC3031 Chip
Bluetooth CodecsSBC/AAC/aptX/aptX HD/aptX LL
Bluetooth Range≥15m (Barrier-Free)
Input OptionsBluetooth + RCA
Speaker Impedance4Ω - 8Ω
Headphone Output16-300Ω (3.5mm Jack)
SNR≥102dB
Frequency Response20Hz - 20kHz (±1.2dB)
Power Supply32V/5A DC (24-32V Input Range)
Vacuum Tube6Ж2П
ColorDeep Space Gray

📦 Package Contents

✓ T20X MKII Amplifier × 1
✓ 32V 5A Power Supply × 1
✓ User Manual × 1

Fosi Audio T20X MKII Front ViewHome Theater SetupControl Panel LayoutTPA3255 Chip TechnologyConnection PortsVacuum Tube Detail

❓ Frequently Asked Questions

Q: What speakers can I connect to this amplifier?

A: The T20X MKII supports passive speakers with 4-8Ω impedance. You can also connect active subwoofers via the pre-out and headphones (16-300Ω) simultaneously.

Q: Does this support lossless audio streaming?

A: Yes! Bluetooth 5.1 with aptX-HD codec delivers CD-quality wireless audio. For wired connections, use the RCA input for zero compression.

Q: What does the vacuum tube do?

A: The 6Ж2П tube adds warm, analog character to the sound — enriching vocals and instruments while maintaining the clarity of Class D amplification.

Q: Can I use this with my TV?

A: Absolutely! Connect via Bluetooth or RCA input (most TVs have RCA audio output or headphone jack that can convert to RCA).