Search Results
Products are chosen independently by our editors. Purchases made through our links may earn us a commission.
Updated
Pros
  • Warm, rich sound
  • Wireless streaming capability
  • Compact size
  • User-friendly controls
  • Warm, natural audio
  • Headphone output for private listening
  • Durable construction
  • Accurate RIAA equalization
Cons
  • Limited input options
  • Requires external power supply
  • Limited to phono input
  • Larger footprint
Bottom Line
The Fosi Audio Box X2 is a HiFi stereo preamplifier designed for audiophiles. It features dual vacuum tubes for a warm, rich sound and includes a built-in Bluetooth receiver for wireless streaming.
The Bellari VP130 Mk2 is a tube phono preamplifier designed for vinyl enthusiasts. It features a classic tube design and offers a headphone output for private listening sessions.
Input
Bluetooth, RCA
Phono (RCA)
Output
RCA
RCA, Headphone (1/4 inch)
Frequency Response
20Hz-20kHz
20Hz-20kHz
Power Supply
12V DC
115V/230V AC
Dimensions
5.1 x 3.5 x 1.5 inches
6.5 x 6.5 x 2.5 inches
Height
1.29 inches
3.9 inches
Length
4.66 inches
14 inches
Weight
0.68 pounds
2.45 pounds
Width
3.85 inches
8.9 inches
Part Number
Box X2
VP130
Model
BOX X2
VP130

When it comes to high-quality audio equipment, two popular options that stand out are the Fosi Audio Box X2 and the Bellari VP130 Mk2. Both of these devices are designed to enhance the sound quality of your music, but they serve different purposes and have distinct features. In this comparison, we'll delve into the details of each product and explore how they stack up against each other, particularly in the context of preamplifiers.

Fosi Audio Box X2

The Fosi Audio Box X2 is a compact, DIY-friendly amplifier kit designed for building or upgrading your own audio system. It's a highly versatile device that can be used as a headphone amplifier, preamplifier, or even a power amplifier. The X2 features a robust Class A/B amplifier design, which provides clean and distortion-free sound with impressive dynamic range.

As a preamplifier, the Fosi Audio Box X2 excels at boosting low-level audio signals to a suitable level for your power amplifier or active speakers. It has a gain range of 0-20 dB, allowing you to fine-tune the output to match your system's requirements. The X2 also features a built-in volume control and a high-quality op-amp, ensuring that your audio signal remains pristine throughout the amplification process.

Bellari VP130 Mk2

The Bellari VP130 Mk2 is a high-end tube preamplifier designed specifically for audiophiles who demand the best possible sound quality. This device is built around a pair of 12AX7 tubes, which provide a warm and rich sonic signature that's characteristic of tube amplification. The VP130 Mk2 features a simple yet elegant design, with a focus on minimalist circuitry and high-quality components.

As a preamplifier, the Bellari VP130 Mk2 is designed to extract the full potential from your source material, whether it's a turntable, CD player, or digital streaming device. It has a gain range of 0-40 dB, allowing for precise control over the output level. The VP130 Mk2 also features a built-in phono stage, making it an excellent choice for vinyl enthusiasts.

Comparison

When comparing the Fosi Audio Box X2 and the Bellari VP130 Mk2, several key differences emerge:

  • Design philosophy: The Fosi Audio Box X2 is a DIY-friendly kit that's designed for flexibility and versatility, while the Bellari VP130 Mk2 is a high-end, boutique preamplifier built with a focus on sonic excellence.
  • Amplification technology: The X2 uses solid-state Class A/B amplification, whereas the VP130 Mk2 employs tube amplification for its distinctive warm sound.
  • Gain range and control: Both devices offer adjustable gain, but the Bellari VP130 Mk2 has a wider range (0-40 dB) and more precise control over the output level.
  • Phono stage: The Bellari VP130 Mk2 includes a built-in phono stage, making it a more comprehensive solution for vinyl enthusiasts.

In the context of preamplifiers, both devices excel at boosting low-level audio signals to a suitable level for your power amplifier or active speakers. However, the Bellari VP130 Mk2 is specifically designed as a high-end preamplifier, with a focus on extracting the full potential from your source material. The Fosi Audio Box X2, on the other hand, is a more versatile device that can be used in a variety of applications, including as a headphone amplifier or power amplifier.

Conclusion

Ultimately, the choice between the Fosi Audio Box X2 and the Bellari VP130 Mk2 depends on your specific needs and preferences. If you're looking for a high-end, boutique preamplifier with a warm tube sound and precise control over the output level, the Bellari VP130 Mk2 is an excellent choice. However, if you're seeking a more affordable, DIY-friendly solution that offers flexibility and versatility, the Fosi Audio Box X2 is definitely worth considering.

As preamplifiers, both devices offer exceptional performance and value, but they cater to different segments of the audio market. The Bellari VP130 Mk2 is geared towards audiophiles who demand the best possible sound quality, while the Fosi Audio Box X2 is a more accessible option for those looking to upgrade or build their own audio system.