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Fosi Audio V3 Mono Power Amplifier for Home Audio Speakers, Mini Monoblock Class D Amp with TPA3255, 240W for HiFi Home Theater AVR Receiver
NAD 3340
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Crafts an immersive sound experience, satisfying your craving for superior musical quality.
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What Stands Out
Product Details
- Mini Monoblock Amplifier: Crafted for HiFi audiophiles, the amplifier home audio allows you to drive a single passive speaker with one amp, delivering up to 240W @4Ω of rated power. It offers the flexibility to build your home audio 2/3/4/5-channel system effortlessly. The V3 Mono can serve as a power amplifier for multi-channel AVRs, complementing the output power to easily drive high-power speakers in home theater systems.
- Innovative Cutting-Edge Technology: Fosi Audio has achieved a technological breakthrough through independent research and development by applying PFFB (Post-Filter Feedback) technology to the V3 Mono for the first time. This effectively overcomes the common load dependency issues of Class-D amplifiers, improving distortion and enhancing frequency response, thereby significantly enhancing sound quality and performance.
- Audiophile-Grade Components: The audio component amplifiers incorporates the high-end TPA3255 Class-D amp chip, paired with well-known components such as Japanese Nichicon filter capacitors, ELNA capacitors, German WIMA capacitors, and Japanese Sumida inductors, etc. Additionally, it features an upgraded four-layer PCB. This combination not only ensures high power output but also achieves a THD as low as 0.006%, a SINAD of 101dB, and an SNR of 123dB. As a result, the fidelity and quality of the audio are assured.
- Advanced Cooling: Utilizing Fosi Audio's pioneering full-body heat dissipation design, the TPA3255 amplifier chip is placed at the bottom and tightly integrated with the chassis, allowing heat to be effectively dissipated through the casing. Coupled with dual side ventilation holes that enhance internal airflow, this ensures the stereo amplifier can deliver stable, high-power output over extended periods.
- User-Friendly Design: Supports both XLR/¼" TRS balanced and RCA single-ended(with gain selection) inputs, with an easy toggle switch for selection. Additionally, it features an auto power/signal sensing mode to enhance energy efficiency. You can also customize your preferred sound signature by replacing the stock NE5532 op-amps, supporting DIP8 dual discrete op-amps. For example, it will work with Sparkos SS3602, MUSES02, OPA2604, Burson V5i, V6, V7, and more. Note: Please ensure that the device is powered off when connecting the speaker cable.
| Voltage | 230 Volts |
| Maximum Supply Voltage | 48 Volts (DC) |
| Minimum Supply Voltage | 48 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 240 Watts |
| Supply Current | 1.04 Amps |
| Item Dimensions | 5.71 x 4.24 x 1.57 inches (14.5 x 10.8 x 4 cm) |
| Material Type | Metal |
| Specification Met | CE |
| Manufacturer | Fosi Audio |
| Model | V3 Mono |
| Brand Name | Fosi Audio |
| Part Number | un pezzo |
| Item Weight | 750 Grams |
| Included Components | Fosi Audio V3 MONO Power Amplifier; 48V/5A Power Supply Unit; User Manual |
| Item dimensions L x W x H | 5.71 x 4.24 x 1.57 inches (14.5 x 10.8 x 4 cm) |
What's in the box
Fosi Audio V3 MONO Power Amplifier; 48V/5A Power Supply Unit; User Manual
Who Should Buy?
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Home Theater Enthusiasts
Ideal for users seeking immersive audio experiences in home theater setups with high-quality sound and power.
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Compact Audio Systems
Great for those with limited space, offering powerful amplification in a small form factor without compromising sound quality.
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HiFi Audio Users
Recommended for audiophiles desiring high-fidelity sound reproduction with reliable performance and versatile connectivity options.
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Budget-Conscious Buyers
This product may be too expensive for users seeking affordable amplification solutions with basic audio needs.
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Casual Listeners
Not suitable for casual users who prefer simplistic setups without the need for advanced features of high-powered amps.
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Large Venue Users
May not provide sufficient power for larger venues, lacking the amplification needed for expansive sound coverage.
Product Description
Customer Questions & Answers
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Question:
What are the key features of the Fosi Audio V3 Mono Power Amplifier?
Answer: The Fosi Audio V3 Mono Power Amplifier boasts a powerful TPA3255 chipset that delivers 240W output, making it ideal for high-fidelity audio systems. It features a Mini Monoblock design, allowing for easy integration in compact spaces. The amplifier supports a range of input options, including RCA, ensuring compatibility with various devices. Users appreciate its efficiency and low distortion, making it perfect for home theater setups or music enthusiasts seeking premium sound quality. -
Question:
How does the Fosi Audio V3 compare to other mono amplifiers?
Answer: Compared to other mono amplifiers, the Fosi Audio V3 stands out for its combination of power and compact design. Many competitors may lack the high output level or may use less efficient amplification technology. The TPA3255 used in the V3 is praised for delivering clean and powerful sound without excessive heat generation. This makes it a suitable choice for audiophiles who require robust performance in limited space, particularly in home theater applications. -
Question:
What types of speakers can the Fosi Audio V3 be used with?
Answer: The Fosi Audio V3 is designed to work seamlessly with a variety of home audio speakers, including bookshelf, floor-standing, and studio monitors. Its powerful output can drive speakers that require substantial power, making it suitable for both passive and active speaker setups. This versatility ensures that users can enhance their audio experience, whether they are enjoying music, movies, or gaming, by connecting it to their preferred type of speaker. -
Question:
Is the Fosi Audio V3 suitable for a home theater setup?
Answer: Absolutely! The Fosi Audio V3 is an excellent choice for home theater systems, thanks to its high power output and low distortion characteristics. Its ability to deliver clear and dynamic sound makes it ideal for immersing yourself in film soundtracks and sound effects. By connecting the V3 to a compatible AV receiver and high-quality speakers, users can significantly enhance their movie-watching experience with rich, detailed audio. -
Question:
What input options does the Fosi Audio V3 support?
Answer: The Fosi Audio V3 Mono Power Amplifier supports RCA input connections, making it compatible with a range of audio sources, including CD players, turntables, and AV receivers. This versatility allows you to easily integrate the amplifier into your existing audio system. Whether you're setting up a high-fidelity music experience or a comprehensive home theater, the various input options ensure that users can connect their preferred devices effortlessly. -
Question:
Can I use multiple Fosi Audio V3 amplifiers together?
Answer: Yes, you can use multiple Fosi Audio V3 amplifiers in a multi-channel setup. This allows you to create a more powerful audio system by assigning each amplifier to a specific speaker or speaker pair, such as left and right channels for stereo sound. This configuration is particularly beneficial for home theaters where enhanced surround sound experience is desired, providing users with immersive audio landscapes. -
Question:
What does Class D mean in the context of the Fosi Audio V3?
Answer: Class D refers to the type of amplification technology used in the Fosi Audio V3 Mono Power Amplifier. This technology is known for its high efficiency, converting a greater portion of input power into output power, which minimizes heat loss. As a result, Class D amplifiers like the V3 can deliver substantial power output while maintaining a compact design, making them ideal for home audio setups where space is at a premium. -
Question:
What is the power consumption of the Fosi Audio V3?
Answer: The power consumption of the Fosi Audio V3 is designed to be efficient, drawing only the requisite power based on the output demands when in use. This allows it to provide high output performance without requiring excessive energy, making it eco-friendly. Users can enjoy outstanding audio performance while being mindful of energy use, which is particularly beneficial in long listening sessions or home theater experiences. -
Question:
Can the Fosi Audio V3 be used with Bluetooth sources?
Answer: The Fosi Audio V3 does not have built-in Bluetooth connectivity. However, users can easily integrate Bluetooth functionality by using external Bluetooth receivers connected to the amplifier's RCA inputs. This setup allows users to stream music wirelessly from their smartphones or other Bluetooth-enabled devices while still enjoying the high-quality sound produced by the amplifier in their home audio systems. -
Question:
Where can I buy the Fosi Audio V3 Mono Power Amplifier in Namibia?
Answer: You can purchase the Fosi Audio V3 Mono Power Amplifier from Ubuy in Namibia. Ubuy offers a wide range of electronics and audio equipment, ensuring a secure shopping experience. By choosing Ubuy, you gain access to reliable product information and customer service, making it an excellent option for sourcing the Fosi Audio V3 to enhance your home audio setup.
Fosi Audio Amplifiers Editorial Review
The Fosi Audio Monoblock Amplifiers have received mostly positive reviews from customers. Users have reported that the amplifiers perform well with power-hungry speakers like the Magnepan MMGs and are able to drive them effectively without distortion. Additionally, the sound quality has been praised for being clear, smooth, and transparent. Some users have noted that the amplifiers can run warm but have not experienced any issues with overheating. There have been a few reports of defective units, but overall, the majority of customers are satisfied with the performance of the Fosi Monoblock Amplifiers. Customers have also mentioned that pairing the amplifiers with upgraded op-amps can further enhance the sound quality. In summary, the Fosi Audio Monoblock Amplifiers offer a great value for their price, providing clear and powerful sound for various speaker setups. **
Customer Reviews & Ratings
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5 Star
67%
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4 Star
20%
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3 Star
6%
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2 Star
4%
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1 Star
3%
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Pros
- Clear and transparent sound quality
- Able to effectively drive power-hungry speakers
- Good value for the price
Cons
- Some reports of defective units
Product Price History
Important information
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NAD 3340
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Features & Benefits
- Optimal choice for home audio systems
- Significantly reduces distortion with PFFB technology
- Rated power output of 240W
- Enhances stereo depth and soundstage accuracy
- Swappable Op-Amp design for a personalized audio experience
- Provides flexible connectivity options for home and professional scenarios

















