Audio P2 Headphone Amplifier Vacuum Tube Headphone Amp Mini Hi-Fi Stereo Audio with Low Ground Noise Output Protection

Features: ❤Excellent sound performance: Low ground noise, built-in output protect circuit, no buzzing or ringing noise, Audiophile-level sound quality, exclusively designed for the customers who pursue HiFi sound; and safe for your expensive headphones. ❤Stereo and Preamplify: Headphones amp also can be used as stereo preamp, Parallel 3.5mm and RCA stereo inputs, 6.35mm headphone output, include a 6.35mm to 3.5mm adapter. ❤High-performance: P2 is a Hi-Fi tube headphone amp, 2 X 6K4 J-Grade tubes can easily power high-performance headphones including the HD580, HD600, HD650, K701, K702, Q701, and many more, recommend 32-600ohm headphones. ❤Easy replace tube: Tubes can be replaced by 6j1/6J4/GE5654/6AK5/6*1n/ E180F/6ж9П/EF861/6688 tubes etc. ❤Exquisite appearance: Small Compact Size, All aluminum alloy shell and come with a 18-month manufacturer's warranty. Details: Specifications: Tubes: 6K4 × 2 OP-amp: NE5532 Audio Input: 3.5mm Audio jack, Stereo L / R RCA Audio Output: 6.35mm Headph