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Setup Flexibility: It supports Bluetooth, USB, coaxial, optical, and RCA inputs, making it compatible with a variety of sources such as computers, phones, CD players, turntables WITH BUILT-IN PHONO PREAMP, etc., allowing you to build various systems.
Amazing Combination: As an integrated tube DAC amp with a VU meter, the visual aesthetics of the 5654W vacuum tubes and VU meter add a nice warm and soft effect to not only the appearance but the sound as well, giving the modern look a retro feel.
All-in-One DAC Amp: A DAC, amplifier, preamplifier, and headphone amplifier are all integrated into the Fosi Audio MC331. You can easily switch between audio sources with the help of the remote control, ensuring a seamless and enriched listening experience.
Multiple Gain Settings: With 4-Level gain adjustment settings of 38/48/56/66dB, the preamplifier accommodates both MM & MC cartridge types, meeting a variety of needs. This enhances your phono stage and helps in rebuilding the vintage stereo sound.
High Performance: The BOX X5 phono preamp is compatible with both MM and MC cartridges, featuring 4 gain settings and an excellent precise RIAA equalization to provide a clean, direct pass-through of a signal when paired with your turntable.
Audiophile-Grade Components: This preamp utilizes a variety of materials such as 2% Precision Polyester Film Capacitors, Green Sleeve Copper Lead Audio Capacitors, 0.1% High-Precision Film Resistors, OPA1612 Op-Amp, Gold-Plated RCA Jacks, and more. It picks up subtle and finite detail produced from it and delivers a truly warm and inviting sound.
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Versatile Connectivity - The phono preamp provides MM turntable input, RCA line output for powered speakers, and a 3.5MM headphone output, allowing simultaneous use of RCA line output and AUX headphone output for maximum flexibility.
Hassle-Free Playback - The BOX X1 is an ultra-low noise phono preamp that seamlessly converts phono signals into line-level signals, featuring a grounding post for optimal turntable protection.
Exceptional Audio Quality - Equipped with a high-quality DC12V power supply, this MM phono preamplifier offers reliable and stable performance, delivering an output voltage level of 2V max (P-P) at 10K Ohms, an SNR of 70dB, and THD of ≤0.08% @ 1kHz and 3mV, while conforming precisely to the standard RIAA frequency response.
Tube Rolling Flexibility for Custom Sound：Unlock endless audio personalities! Swap stock 5725W tubes with 6K4/6J1/GE5654/6AK5 tubes (sold separately). A DIY haven for vinyl enthusiasts.
Pro-Grade MM Phono Stage with Grounding Terminal: Upgraded from BOX X2, the BOX X4 delivers audiophile-grade clarity for your turntable. Features a low-noise 5725W vacuum tube preamp with MM input and built-in earth terminal to eliminate hum and protect vinyl systems. Ensure your turntable’s internal preamp is disabled for pure analog playback.
Dual-Output Flexibility--Preamp + Headphone Amp：Switch seamlessly between RCA line-level output for amplifiers and 3.5mm headphone output for private listening. Engineered to drive most headphones, ideal for late-night vinyl sessions without disturbing others.
Versatile Audio Connectivity - The BOX X2 preamp offers MM turntable input and 3.5mm RCA/AUX options for different audio inputs. With a dedicated RCA line output to active speakers, you can connect a power amplifier via the RCA output and then connect passive speakers for an immersive audio experience.
Three Gain Options - With three switchable gain modes: 39, 42, and 45 dB, you can precisely adjust the volume and sound quality for optimal indoor use, perfect for turntables. Whether you're enjoying your vinyl collection in a quiet study or a lively living room, you'll find the perfect gain setting to enhance your listening experience.
Exceptional Utra-Low Noise - Converts phono signals to line-level signals with low-noise integrated circuits and high-quality components to remove low-frequency noise to ensure clear sound quality. Designed with grounding post to protect your turntable.
Tri-Band Control: By enabling adjustments for treble, midrange, and bass, in conjunction with central detents for tone-defeating, achieving the ideal equilibrium becomes effortless. Up to 2400mW power is available in high impedance mode.
Diverse Capabilities: Instantly restore original sound with the one-click tone-defeating button; Immerse yourself in music during the quiet hours using the loudness function; Tailor the gain level to accommodate headphones with various impedances through the gain level switch.
Combo Design: Whether as a powerful headphone amp, a customizable analog preamp, or an acoustic equalizer for the instrument, it effortlessly elevates your listening experience, delivering exceptional sound quality and personalized sound signatures.
True Tube Amplification: The preamp circuit elevates the voltage to 54V, ensuring the tubes work to their full potential, delivering a warm and rich experience. The unique preamplification technology delivers pure audio signals, faithfully reproducing crisp high tones, full midrange richness, and deep, rhythmic bass.
Bluetooth 5.1: Equipped with the Qualcomm QCC3031 chip, the P3 preamp guarantees impressive wireless sound quality and low latency, with compatibility for aptX HD and aptX LL codecs formats. Furthermore, the inclusion of a manual reset button prevents accidental connections by others, enhancing connection reliability.
RCA Input & RCA /TRS Output: This pre amplifiers for turntables has stereo RCA inputs , stereo RCA and TRS outputs. Connect the turntable to the RCA inputs and ground. Then, connect the amplifier receiver to the RCA/ TRS outputs. (DC 12V Adapter is included)
Low Noise Operation: Offers outstanding performance with its Low-Noise Audio Operational Amplifiers. Make your vinyl records deliver sound exactly as it's read from your turntable's needle.
Convert Phone Signal: The turntable preamp converts can phono signals to line level for better sounding audio and volume. This state-of-the-art phono preamp can accommodate all magnetic pickups.
LOW NOISE: Microphone preamp features a unique, fully balanced circuit design that produces ultra low noise and clean sound, ensuring minimal noise and adding no sonic coloration to your recordings.
HIGH GAIN: Mic preamplifier enhances your sound experience with balanced amplification circuitry with 6.5 single ended input gain of 22db and XLR balanced input gain of 27db, providing clean, transparent gain.
48V PHANTOM POWER: Mic preamp is compatible with a range of microphones, including for SM7B, for 55SH and other popular models. Comes with 48V phantom power for use with both dynamic and condenser microphones.
Tube Phono Preamp. Convert phono signal to a more suitable and manageableline level for better sounding audio and volume between your MM turntable and home audio speakers system.
NEW Generation Bluetooth 5.0 5727W Tube Phono Preamp. Fosi Audio BOX X3 is an 2-in-1 Pre-amplifier: MM Turntable Preamplifier & Bluetooth 5.0 Preamp.
Bluetooth 5.0 Tube Preamplifier with 3.5MM Line Input. The BOX X3 works with today's latest devices including smartphones/tablets/computers for hassle-free receiver pairing. Wireless streaming Hi-Fi music to your home stereo speakers system. (Note: The BOX X3 can only be connected to powered speakers, your will need an amplifier for passive speakers).
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