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FOSI AUDIO BOX X5 Phono Preamplifier

The Fosi Audio Box X5 phono preamplifier is a small, high-quality device that accepts MM and MC cells. Based on the use of OPA1612 in DIP8 and high-fidelity RIAA equalization, it delivers highly qualitative sound reproduction of your favorite vinyl records.

Average votes for this product
5.0 / 5
  Based on 2 customers reviews.

By buying this product you get 12 loyalty points


Reference : 20240
New product

129,90 €tax incl.

108,25 € tax excl.
Including 0,05 € for green tax

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Last items in stock !
Shipping date: 16-07-2025.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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Facturation France
SAV France

2 Years warranty
 
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Fosi Audio Box X5 Phono Preamplifier MM/MC OPA1612

Photo of Fosi Audio Box X5

The Fosi Audio Box X5 phono preamplifier is a small, high-quality device that accepts MM and MC cells. Based on the use of OPA1612 in DIP8 and high-fidelity RIAA equalization, it delivers highly qualitative sound reproduction of your favorite vinyl records. It also features 4 levels of gain adjustment, enabling it to adapt to a variety of sources. Gain can be set at 66dB, 56dB, 48dB and 38dB. The Fosi Audio Box X5 is powered by 16V AC.

Example of a HiFi installation with the Fosi Audio Box X5

Fosi Audio Box X5: MM/MC compatibility and 4 gain levels

The Fosi Audio Box X5's four gain levels ensure compatibility with different sources. In addition, a switch lets you set the input impedance to 47kOhm for MM cells or 100kOhm for MC cells.

Gain can be set to the following values via a rotary switch on the rear of the unit: 66dB, 56dB, 48dB or 38dB.

Gain level and MM/MC compatibility

Fosi Audio Box X5: high-fidelity RIAA equalization

The equalization of the Box X5 ensures a level of detail and clarity in the final sound reproduction for a rich listening experience. This equalization significantly reduces noise levels and delivers a wide dynamic range.

RIAA equalization for the Fosi Audio Box X5

Fosi Audio Box X5: Dual OPA1612

The DIP8-mounted OPA1612s on the Box X5's circuit offer a high-quality audio experience, and are also easily replaceable for any user wishing to customize their listening experience.

Photo of Fosi Audio Box X5 AOP1612

Fosi Audio Box X5 overview

Overview of the Fosi Audio Box X5
1Power indicator
2Power button
3MM/MC-compatible RCA input
4Gain selector
5RCA output
6Ground terminal
716V AC power input

Fosi Audio Box X5 test by Audio Science Review

Fosi innovates by bringing best in class performance while packaging the unit in an attractive enclosure while keeping the cost very reasonable. There is nothing more to ask! I am happy to recommend Fosi Box X5 phono stage.
Technical characteristics
Specifications
Product typePhono preamplifier
OPAOPA1612 DIP8 format
Input1x RCA phono input (MM/MC)
Output1x RCA output
THD≤ 0.009%
SNR≥ 92dB
Frequency response20Hz-20kHz (±0.015dB)
Gain adjustment66dB / 56dB / 48dB / 38dB
General
Power supply16V 1A
Dimensions104 x 165 x 356mm
Package1x Fosi Audio Box X5 phono preamplifier
1x Mains adapter
 
Data sheet
InputPhono
OutputRCA
ColorBlack
ClassN/A
Remote ControlNo
 
Delivery

We deliver all over France, and internationally.
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Average votes
5.0 / 5
2 reviews
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Note :
 5/5
Date :
Fosi audio box5
Super petit preampli phono j'ai une cellule MM ortofon 2m red, j'ai mis le réglage sr 48db, ourahh mon volume est enfin plus élevé la qualité sonore est au rendez-vous détaillé scène sonore bien pleine, bref gain également total sur la qualité sonore , preampli peut cher mais avec une grande qualité, pourquoi investir plus cher!!!!j'ai une patine Technics SL 1500C reliée à mon ampli intégré SPEC 777EX
je conseil ce petit preampli , il sonne vraiment bien grâce à ses composants de haute qualité notamment les petits condos nichicon!!!!
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This review has been posted for FOSI AUDIO BOX X5 Phono Preamplifier MM/MC OPA1612
Note :
 5/5
Date :
Best Overall
Excellent again all the transaction with the shop.
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This review has been posted for FOSI AUDIO BOX X5 Phono Preamplifier MM/MC OPA1612
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FOSI AUDIO BOX X5 Phono Preamplifier MM/MC OPA1612
FOSI AUDIO BOX X5 Phono Preamplifier MM/MC OPA1612
The Fosi Audio Box X5 phono preamplifier is a small, high-quality device that accepts MM and MC cells. Based on the use of OPA1612 in DIP8 and...

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