GR70 Tube Headphone Amplifier with Dual Vacuum Tubes Black

Experience the warmth and depth of true tube sound with this compact headphone amplifier. Combining classic vacuum tube richness with modern precision, it delivers smooth, dynamic audio that enhances every listening session. Perfect for both audiophiles and casual listeners, it brings out the full character of your music.

Key Features

• Pure tube amplification for warm, detailed and authentic sound

• Dual-stage vacuum tube setup with 5654W and 6Ж4 tubes

• Replaceable tubes for custom sound tuning and flexibility

• Bass and treble controls for personalised audio adjustment

• Supports low and high impedance modes for 16Ω–300Ω headphones

• Multiple connections including 3.5mm, 6.35mm and RCA inputs/outputs

• Compact CNC aluminium body with efficient ventilation for durability

Specifications

• Model: GR70

• Tubes: 6Ж4 ×2, 5654 ×2

• Signal Input: RCA

• Outputs: 3.5mm, 6.35mm headphone, RCA full-range

• Output Power: 60mW

• Frequency Response: 20Hz–20kHz (±1dB)

• Signal-to-Noise Ratio: ≥97dB

• Dynamic Range: 97dB

• Input Voltage: 12V 3A

• Net Weight: Compact aluminium build

Package Contents

• 1 x GR70 Tube Headphone Amplifier (Black)

• 2 x 5654W Vacuum Tubes

• 2 x 6Ж4 Vacuum Tubes

• 2 x Tube Protection Covers

• 1 x Power Adapter (AU Plug)

• 1 x User Manual

What Makes This a Smart Buy:
With its warm tube sound, flexible controls and multiple connections, this amplifier is a versatile upgrade for any audio setup. It’s compact, powerful, and designed for music lovers who want rich, dynamic listening at home or in the studio.