HiFi BOX X4 lempinis fono priešstiprintuvas Fosi Audio 5725W stiprintuvas

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Prekė: HiFi BOX X4 lempinis fono priešstiprintuvas Fosi Audio 5725W stiprintuvas. Kategorija: Plokštelių grotuvų stiprintuvai.

• Gamintojas: Fosi Audio
• Modelis: Fosi Audio X4 - Przedwzmacniacz Gramofonowy
• Spalva: black

JAN 5654W ► MM and AUX input ► Bass/Treble adjustment ► Headphone output ► Grounding ► RIAA standard ► Aluminum housing

⚡ Reliable and unrivaled in its audio class

✅ JAN 5725W ► vacuum tubes deliver warm, classic analog sound, eliminating digital roughness and offering audiophile sound quality

✅ Multifunctionality of inputs ► support for turntables with MM cartridge and AUX 3.5mm input allows you to connect not only a turntable, but also a phone or MP3 player

✅ Active tone control ► independent Bass and Treble knobs (±10 dB) allow you to fine-tune the sound to your preferences and the type of music you listen to

✅ Built-in headphone amplifier ► 3.5mm output supports headphones with impedance from 16 Ω to 300 Ω, ideal for night listening sessions

✅ Grounding clamp ► effectively eliminates hum and hum, protecting your audio system and providing a clean background for your music

✅ Tube Rolling ► design allows you to experiment with sound by replacing lamps with other models (e.g. 6K4, 6J1, 6AK5)

⚙ TECHNICAL DATA:

• Producer: Fosi Audio
• Model: BOX X4
• Lamps: 2x JAN 5725W
• Input: Gramophone (MM) + 3.5mm AUX
• Output: RCA (L/R) + Headphone 3.5mm
• Frequency Response: Standard RIAA
• Power Supply: DC 12V (Power Supply Included)
• SNR: ≥ 70dB
• THD: ≤ 0.1%
• Headphone support: 16 Ω - 300 Ω
• Dimensions: 10 x 12 x 3,5 cm
• Weight: 320 g

⚡ Warm Sound and Classic Style

Fosi Audio BOX X4 is a new generation of preamplifiers that combines the charm of electron tubes with modern low-noise technology.

✔ The heart of the device are tested and matched JAN 5725W tubes, which give the music a unique, "analog" character.

By using high-quality integrated circuits, the device converts the Phono signal to a linear level while maintaining the highest purity, minimizing low-frequency noise.

✅ Flexibility of Connections

The device is designed to be the heart of your home audio system.

• As a Preamplifier: Connect the turntable to the RCA input and the output to the amplifier or active speakers.
• As a Headphone Amplifier: Connect your headphones directly to the 3.5mm jack on the front and enjoy your music without disturbing others.
• As a Tube Buffer: Connect your phone via AUX input to "warm" the digital signal before sending it to the speakers.

⚡ Full Control and Personalization

Unlike cheap preamps, the BOX X4 puts control in your hands.

► BASS and TREBLE adjustment: Conquer heat in classic recordings or sharpen details in modern pressings.

► DIY Paradise (DIY): If you want to change the sound, you can easily replace the lamps with other compatible models (e.g. GE5654, 6J1). You decide how your system plays!

Robust, aluminum housing not only looks great, but also effectively protects electronics from external interference.

☑ SET INCLUDES:

✔ Fosi Audio BOX X4 preamplifier

✔ 2x Vacuum lamp JAN 5654W

✔ AC adapter 12V

✔ Operating instructions

✔ Original packaging

Specifications