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Fosi Audio GR70 Tube Headphone Amp

Fosi Audio GR70 Tube Headphone Amp
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Fosi Audio GR70 Tube Headphone Amp
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Features

  • SNR :≥ 97dB
  • Adjustable Impedance
  • 2-in-1 Headphone Amp
  • Supports 16–300Ω Headphone
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General
Chipset purely analog
Interfaces
Output RCA,6.35mm Headphone Jack,3.5mm Headphone Jack
Transmitter(TX)
SNR ≥97dB
Technical Specifications
Impedance 120 Ω to 300 Ω
Appearance
Dimension 46 mm × 192 mm × 129 mm
THD THD+NRCA Out :≤0.26% Phone Out: ≤0.5%
Audio Features
Frequency Range 20Hz-20kHz(± 1dB)
Connectivity
Input Connector RCA
Power Output 300mW@32Ω
Power Input DC 12 V/3A

Fosi Audio GR70 Tube Headphone Amp


GR70 Vacuum Tube Headphone Amp

Featuring two replaceable 5654W and two 6Ж4 vacuum tubes, it offers a customizable auditory experience. Immerse yourself in the authentic warmth and smoothness of analog audio.

Integrating Vintage Charm with Modern Precision

The GR70 is a two-in-one headphone amp and preamp. Easily integrate this tube preamp into your home audio system with its multiple headphone jacks and RCA input/output options.

  • Input: RCA; Output: RCA, 6.35mm/3.5mm Headphone Output;
  • Max Power Output: 300mW@32Ω; Power Input: DC 12V/3A;
  • Headphone Impedance: Low Mode: 16Ω-120Ω, High Mode: 120Ω-300Ω;



Quad -Tube Dual-Stage Amplification

Thoughtfully selected tube combination for a musical and immersive sound .



Ideal for Headphone Enthusiasts

It poits exeellently with over -ear and in-ear headphones for superior audio.


Ideal Partner to V3 & Q6

It pairs perfectly with power amps and passive speakers for a top -notch audio setup.



Customize Your Unique Sound

with central detents to easily restore the natual sound.


Large Top- Mounted Volume Knob

Built-in precision damped potentiometer for smooth, accurate control.



Switchable Output Imprdence

Ensuring optimal control and cleaner sound across a wide range of full-sizw cans and IEMS.


Efficient Cooling and Thermal Stability

Keeps dust out while maintaining airflow to protect internal components.



A Blend of Metal and Elegance

Full aluminum alloy body, finely sandblasted, featuring a minimalist and durable design.





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