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Item #:
97162821
Fosi Audio MC331 Tube Integrated Amplifier with DAC, 2 Channel Home Audio Stereo Power Amp for HiFi Bookshelf Speakers/3.5mm Headphones, Vintage VU
90% of respondents would recommend this to a friend
1 Sustainability Highlights
Item #:
97162821
GBP 133
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 09
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The Fosi Audio MC331 integrates a DAC, amplifier, and preamplifier for a seamless and enriched listening experience.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Connectivity
This amplifier features Bluetooth, USB, Optical, Coaxial, and RCA options, making it adaptable for various audio sources, ensuring seamless integration with modern and traditional devices.
Vintage VU Meter
The classic VU meter not only enhances aesthetic appeal but also provides real-time audio levels, allowing users to visually monitor performance while enjoying their favorite music.
High-Quality Sound
Engineered for audiophiles, the tube technology delivers warm, rich sound suitable for bookshelf speakers and headphones, enhancing the listening experience with exceptional clarity and depth.
Product Details
| Manufacturer | Shenzhen Foresight Technology Co., Ltd. |
| Brand | Fosi Audio |
| Number of Items | 1 |
| Built-In Media | MC331;Bluetooth Antenna;Vacuum Tube*2;Tube Cover*2; 24V4.5A Power Adapter;Remote |
| Item Weight | 4.2 pounds (1.91 kg) |
| Model Number | MC331 |
| Mfr Part Number | MC331 |
What's in the box
MC331;Bluetooth Antenna;Vacuum Tube*2;Tube Cover*2; 24V4.5A Power Adapter;Remote
Who Should Buy?
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HiFi Enthusiasts
Ideal for those seeking an affordable integrated amplifier to enhance their audio experience with warm tube sound.
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Casual Listeners
Perfect for users who want to enjoy music from various sources with simple connectivity options and Bluetooth compatibility.
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Vintage Lovers
A great choice for individuals who appreciate vintage aesthetics and VU meters, adding style to any audio setup.
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Professional Musicians
May lack the high power output and features required for professional use in stage or studio environments.
Product Description
Sustainability Highlights
This product has sustainability features recognized by trusted certifications.
Carbon impact
Carbon emissions from the lifecycle of this product were measured, reduced and/or offset. As certified by
The ClimatePartner certified product label confirms that a product meets the requirements for the five steps in climate action including calculating carbon footprints, setting reduction targets, implementing reductions, financing climate projects and communicating transparently to continuously reducing emissions. Learn more about this certification
- Certification Number
- ZK5TB8
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Customer Questions & Answers
-
Question:
What makes the Fosi Audio MC331 a great choice for home audio?
Answer: The Fosi Audio MC331 is designed to deliver rich, warm sound quality, making it an excellent choice for audiophiles and casual listeners alike. It features a built-in DAC for higher fidelity audio processing, ensuring that your favorite music is reproduced faithfully. The vintage VU meters add an aesthetic appeal that resonates with classic audio enthusiasts. Whether you’re connecting bookshelf speakers or using 3.5mm headphones, this amplifier enhances your listening experience by providing ample power and clarity. -
Question:
Can the Fosi Audio MC331 connect to modern devices?
Answer: Yes, the Fosi Audio MC331 is highly compatible with modern devices. Its built-in DAC allows for seamless connectivity with smartphones, tablets, and computers via USB. This capability ensures that you can enjoy high-quality audio from a variety of sources, making it perfect for diverse listening preferences. It also features RCA inputs for traditional setups, ideal for those who have vinyl records or CD players in their collection. -
Question:
What type of speakers work best with the Fosi Audio MC331?
Answer: The Fosi Audio MC331 works exceptionally well with HiFi bookshelf speakers, delivering power and clarity that enhances sound quality. It is designed to drive a wide range of speakers, providing ample wattage to ensure that your audio remains crisp without distortion. This makes it suitable for both smaller setups in apartments and larger sound systems in spacious rooms. Choosing the right speakers enhances its performance, so consider options that complement the amplifier's capabilities. -
Question:
Is it suitable for use with headphones?
Answer: Absolutely! The Fosi Audio MC331 includes a 3.5mm headphone jack, making it an excellent choice for headphone users looking to elevate their listening experience. This feature allows users to enjoy the amp’s superior sound quality without disturbing others, and it supports a wide range of headphone types. Whether you’re gaming, watching movies, or enjoying music, the MC331 provides an immersive sound experience that enhances the audio clarity and richness. -
Question:
How does the tube amplification affect sound quality?
Answer: Tube amplification is known for its warm and rich sound characteristics, and the Fosi Audio MC331 is no exception. The tube design introduces natural harmonic distortion that can make music sound more pleasant and full compared to solid-state amplifiers. This warmth is particularly appreciated in genres such as jazz, rock, and classical. Users often find that tube amps provide a more engaging auditory experience, making it a favorite for critical listening and home audio setups. -
Question:
What is the advantage of having integrated DAC?
Answer: The integrated DAC in the Fosi Audio MC331 allows for high-definition audio playback from digital sources. This means you don’t need to invest in a separate DAC, simplifying your audio setup. The DAC converts digital signals into analog smoothly, which enhances the audio quality and ensures you experience the full depth and detail of your music. This is particularly useful when playing high-res audio files from computers or streaming services. -
Question:
Is the Fosi Audio MC331 portable?
Answer: While the Fosi Audio MC331 is not designed specifically for portability, its compact size makes it relatively easy to move within your home. It can fit comfortably on a desk or shelf alongside other audio components. If you're looking to set it up in different rooms, its lightweight design allows for uncomplicated transportation without compromising the sound quality. If mobility is a priority, consider where you plan to use it and the ease of access to power outlets. -
Question:
Can I stack other audio equipment with the Fosi Audio MC331?
Answer: Yes, the Fosi Audio MC331 is designed with a compact form factor that allows it to fit well with other audio equipment. It can be easily stacked with components like CD players, turntables, or receivers on a dedicated audio shelf. Just ensure proper ventilation to avoid overheating, as tube amplifiers can generate heat. Organizing your audio setup around the MC331 can create an aesthetically pleasing and functional arrangement for enjoying your media. -
Question:
Where can I buy the Fosi Audio MC331 Tube Integrated Amplifier?
Answer: You can buy the Fosi Audio MC331 Tube Integrated Amplifier at Ubuy in Guernsey. Ubuy offers a wide selection of electronic products including this powerful audio amplifier, making it convenient to find and purchase the unit online. With various payment options and customer support, Ubuy is a reliable choice for enhancing your home audio experience. -
Question:
Does the Fosi Audio MC331 require special installation or setup?
Answer: The Fosi Audio MC331 is user-friendly and does not require special installation. Simply connect your audio sources through the available inputs, attach your speakers and/or headphones, and you are ready to go. It's designed for straightforward use, making it suitable for both beginners and experienced audiophiles alike. Whether you're setting it up in a home theater or a music studio, its plug-and-play feature allows for a hassle-free audio experience.
Fosi Audio Amplifiers MC331 Editorial Review
Fosi Audio MC331 Tube Integrated Amplifier with DAC, 2 Channel Home Audio Stereo Power Amp for HiFi Bookshelf Speakers/3.5mm Headphones, Vintage VU Meter Preamp with Bluetooth and USB/Opt/Coax/RCA delivers a blend of vintage aesthetics and modern connectivity. Users appreciate its ability to pair with up to 10 Bluetooth devices, making it versatile for different listening setups. Reviewers have noted that its sound quality improves once the tubes warm up, offering a lush and dynamic audio experience ideal for music enthusiasts. Additionally, the build quality stands out with solid metal construction, ensuring durability while maintaining a compact form. The user-friendly controls and remote enhance its accessibility, making it a recommended choice for both simplicity and performance.
Customer Reviews & Ratings
474 customers ratings
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5 Star
75%
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4 Star
11%
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3 Star
5%
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2 Star
4%
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1 Star
5%
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Pros
- Compact design fits in any space
- Vintage tube aesthetics enhance décor
- Warm sound profile with decent bass
- Easy Bluetooth connectivity with multiple devices
- Sturdy metal construction ensures durability
Cons
- Remote control usability could be improved
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Top selling tube integrated amplifier in Guernsey
Last Updated on August 25, 2026
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GBP 133
Order now and get it around Wednesday, September 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- All-in-One DAC Amp: Combines DAC, amplifier, and preamplifier.
- Visual Appeal: Integrated tube design with a VU meter enhances aesthetics and sound.
- Versatile Connectivity: Supports Bluetooth, USB, coaxial, optical, and RCA inputs.
- Compact yet Powerful: Delivers 105W x2@4Ω for efficient bookshelf speaker driving.
- User-Friendly: Comes with a remote control for easy bass and treble adjustments.
- Customizable Sound: Replaceable tube design allows personal sound signature tuning.
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