Features Instant HiFi Sound Upgrade: E6 preamp instantly transforms flat digital sound by infusing it with signature tube warmth and rich dynamic range. Seamlessly connects to your stereo power amplifier or active speakers, effortlessly upgrading your audio system to true HiFi sound quality. Unleash Warm and Sweet Sound: Featuring a 105V high-voltage circuit, the E6 fully optimizes tube performance, delivering a warm and sweet tonal character with minimal distortion. This results in a smooth, natural sound that fills the room with vivid, lifelike music. Tube Rolling Made Easy: Adopting military-grade 12J1S tubes with pure ceramic socket and anti-oxidation contacts for optimal insulation. Its pluggable design allows easy tube rolling, so you can swap in 12Ж1Л or 12J2S tubes to customize the sound effortlessly. Simplified for Effortless Listening: Featuring standard RCA audio I/O, the E6 offers plug and play compatibility with most audio sources, including CD players, phones, and computers, perfect for both desktop setup and home theaters. Mini Size with Exquisite Appearance: With a compact design and a sturdy metal case, E6 boasts thickened golden panels for enhanced shielding. Retro-style light red filament inside the tubes adds a mystic charm, making it an attractive addition to your audio system. Warm tips: 1. Please note this is a tube preamp , not a headphone amplifier. 2. If you plug vacuum tubes out, please note there are two pins with two black dots and insert them into the holes on both sides of the protruding sockets. Wrong insertion will cause damage. Parameters: Brand: Nobsound Model: E6 Audio input: Stereo L/R RCA Audio output: Stereo L/R RCA Tube model: 12J1S Voltage amplification: About 4 times (12dB) Anode supply voltage: DC 105V (don't touch the socket when E6 is powered) Filament cathode supply voltage: DC 11.5V Frequency response: 20Hz-30KHz SNR: ≥90DB Input voltage: DC 5V/≥1A (5.5*2.5mm) Dimensions (W*D*H): 68*116*29mm / 2.68*4.57*1.14in Net weight: 262g / 0.58lb Package weight: 500g / 1.10lb Packing List 1*E6 Tube Preamp 1*DC 5V Power Adapter 1*User Manual

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