Fosi GR70 Vacuum Tube Headphone Amp/Preamp

Fosi Audio GR70 Vacuum Tube Headphone Amp/Preamp

Featuring two replaceable 5654W and two 6AC7 vacuum tubes, it offers a customisable 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;