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  • 2 VIDEOS
Fosi Audio Box X1 Phono Preamp for MM TurntableFosi Audio
  • Fosi Audio Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply
  • To view this video, download

Fosi Audio Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Headphone and RCA Output with DC 12V Power Supply

4.4 out of 5 stars 1,529 ratings
$41.99
Coupon:
Apply 10% coupon Terms
off promo code: 7L6HWGL7 Terms  Buy 2 to get 15% off Terms  
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Purchase options and add-ons

Item dimensions L x W x H 18 x 13 x 6 Centimetres
Voltage 12 Volts
Manufacturer Fosi Audio
Maximum supply voltage 12 Volts (DC)
Minimum supply voltage 12 Volts (DC)
Mounting type Freestanding
Brand Fosi Audio
Number of channels 1
Package type Retail Packaging
Specification met Riaa

About this item

  • Converts MM Turntable Signals: BOX X1 compact ultra-low noise phono preamp converts phono signals to line-level signals. Designed with a grounding post to protect your turntable
  • MM Phono Preamplifier with DC12V Power Adapter: Output Voltage Level: 2V max (P-P) at 10K Ohms, SNR: 70dB, THD: ≤0.08% @ 1kHz and 3mV, Frequency Response: Standard RIAA. Equipped with DC12V high-quality power supply
  • RCA Output & 3.5MM Headphone Output: BOX X1 supports MM turntable input, 3.5MM headphone output, and RCA line output for powered speakers. You can connect a power amplifier through the 3.5MM AUX or RCA output, then connect the passive speakers and enjoy high-quality music with headphones through the 3.5 mm headphone output. Note: RCA line output and AUX headphone output can be output simultaneously
  • Amplify Vinyl Records to Interface with Your Home Stereo System:The built-in low noise phono preamp circuitry is highly accurate and precisely conforms to the RIAA standard. Housed in a steel black anodized case, the BOX X1 gives you flawless audio reproduction in a rugged and reliable package
  • What You Get: BOX X1 phono preamp x1, 12V power adapter x1, User manual x1
› See more product details

Product details

  • Language ‏ : ‎ English
  • Product Dimensions ‏ : ‎ 18 x 13 x 6 cm; 330 g
  • Date First Available ‏ : ‎ Jan. 30 2021
  • Manufacturer ‏ : ‎ Fosi Audio
  • Place of Business ‏ : ‎ ShenZhen city, Guangdong province 518000,CN
  • ASIN ‏ : ‎ B08TLRPMDC
  • Item model number ‏ : ‎ BOX X1
  • Country of origin ‏ : ‎ China
  • 鶹 Rank: #11,099 in Electronics (See Top 100 in Electronics)
  • Customer Reviews:
    4.4 out of 5 stars 1,529 ratings

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Fosi Audio Box X1 Phono Preamp for MM Turntable Mini Stereo Audio Hi-Fi Phonograph/Record Player Preamplifier with 3.5MM Head
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Safety and product resources

Safety documents

From the brand

Previous page

  2. Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.

  3. audio component amplifiers
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  6. speaker amp
  7. fosi
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Product Description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

Fosi Audio Box X1 Phono Preamp

Merchant video
BOX X1

Fosi Audio BOX X1 MM Phono Preamplifier with V3 Amplifier

  • Input: Turntable, Grounding post, 12V DC input
  • Output: Headphone 3.5MM, RCA
  • DC Input Voltage: 12V
  • Output Voltage Level: 2V max (P-P) at 10K Ohms

BOX X1

Parameter Comparison

BOX X1

BOX X2

BOX X3

Buying Options

BOX X4

P2

P3

Buying Options

T20

Buying Options
Customer Reviews
4.4 out of 5 stars 1,529
4.4 out of 5 stars 2,859
—
4.2 out of 5 stars 766
4.3 out of 5 stars 405
—
—
Price
$41.99 $89.99 — $89.99 $79.99 — —
Type
Phono Preamp Phono Preamp with Vacumm Tubes Phono Preamp with Vacumm Tubes Phono Preamp with Vacumm Tubes Headphone Amp + Preamp Preamp + Headphone Amp Bluetooth Tube 2.0 CH Amp
Input
RCA RCA+3.5mm AUX Bluetooth + AUX + RCA RCA+3.5mm AUX AUX + RCA Bluetooth + RCA Bluetooth + RCA
Output
RCA + Headphone RCA RCA RCA+3.5mm AUX 3.5 mm + 6.35 mm RCA + 3.5mm Headphone + AUX Passive Speakers + Headphone
Treble & Bass Control
✘ ✘ ✔ ✔ ✘ ✔ ✔
THD
≤ 0.08% ≤ 0.1% ≤ 0.1% ≤0.1% ≤0.03% ≤ 0.02% ≤ 0.04%
SNR
≥ 70dB ≥ 98dB ≥ 70dB ≥ 70dB ≥ 95dB ≥103 ≥ 98dB
Power Adapter
12V/1.5A 12V/1.5A 12V/1.5A 12V/1.5A 12V/1.5A 12V/1.5A 24V/4.5A

Customer reviews

4.4 out of 5 stars
1,529 global ratings

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Customers say

Customers like the functionality, easy setup, and quality of the electronic component amplifier. They mention it works great, is simple, and to the point. Customers also appreciate the compact size, saying it meets their needs. However, some customers have mixed opinions on the sound quality.

Select to learn more

FunctionalityEasy to set upQualityCompact sizeSound quality
12 customers mention "Functionality"12 positive0 negative

Customers are satisfied with the functionality of the product. They mention it works great.

"...Works great." Read more

"Very easy to connect to the system. Works well and amplifies the LP’s nicely. Good quality of sound" Read more

"Worked perfectly for my old turntable. Wired this into a Bluetooth transmitter and now can listen to my old vinyl on my Bluetooth speaker." Read more

"Works exactly as promised and great for budget conscious setups. Allows me to use my old turntable with modern speakers!" Read more

9 customers mention "Easy to set up"9 positive0 negative

Customers find the product easy to set up. They mention it works as described and is simple.

"Simple and easy.. Took me awhile becaue I kept trying to bluetooth it, forgetting that my sound bar is wired and I do not need to pair it with..." Read more

"...I was able to set this up in no time and enjoyed great sound with minimal feedback. Works great." Read more

"...Works fantastic and the sound is crystal-clear. Easy to set up as well." Read more

"I'm audio manic. and this is simple and amazing price to get high quality result!" Read more

8 customers mention "Quality"8 positive0 negative

Customers are satisfied with the quality of the product. They mention it has high quality sound and construction.

"Did what it was supposed to do as a pre amp. Seems like good quality and reasonably priced" Read more

"Physical construction is very good. Overall sound quality is good when used with many vinyl LPs...." Read more

"I'm audio manic. and this is simple and amazing price to get high quality result!" Read more

"I'm happy with the quick delivery. I 'm content with the quality of the product." Read more

3 customers mention "Compact size"3 positive0 negative

Customers like the compact size of the product. They mention it's small and meets their needs.

"Unit works great it is small and compact, exactly what I was looking for" Read more

"Small in size which is good..." Read more

14 customers mention "Sound quality"9 positive5 negative

Customers have mixed opinions about the sound quality of the product. Some mention it works well and amplifies the LPs nicely, while others say it makes noise in the speakers when powered on and off.

"...I was able to set this up in no time and enjoyed great sound with minimal feedback. Works great." Read more

"...so when I use this for my record player at full volume it's still not that loud...idk if i got a defective one or if there is a secret hidden volume..." Read more

"...state preamp hooked this up to my technics sld2 and the upgrade in sound is great had to turn the sound up before but the sound is incredible for..." Read more

"Physical construction is very good. Overall sound quality is good when used with many vinyl LPs...." Read more

Top reviews from Canada

  • Gerry
    5.0 out of 5 stars Compact et facile à installer
    Reviewed in Canada on July 6, 2025
    Verified Purchase
    Correspond à nos besoins. Parfait!!
    Helpful
     Report
  • Desdeluna
    5.0 out of 5 stars I can hear my classic vinyl albums & 45's
    Reviewed in Canada on March 6, 2025
    Verified Purchase
    Simple and easy.. Took me awhile becaue I kept trying to bluetooth it, forgetting that my sound bar is wired and I do not need to pair it with bluetooth. My vinly are back in my life..
    If you have some vinyls and want that nolstagic feel.. get this
    Helpful
     Report
  • Valyk
    4.0 out of 5 stars Works well
    Reviewed in Canada on July 5, 2024
    Verified Purchase
    There is one thing I’d like to know, can I use a high quality PSU bit with a 15V output?
    Helpful
     Report
  • Teach27
    5.0 out of 5 stars Easy to hookup and worked perfectly
    Reviewed in Canada on February 1, 2025
    Verified Purchase
    I have no experience or knowledge about setting up a sound system to work with my turntable. I was able to set this up in no time and enjoyed great sound with minimal feedback. Works great.
    Helpful
     Report
  • Kobalt
    5.0 out of 5 stars works great
    Reviewed in Canada on January 31, 2025
    Verified Purchase
    My sister in law has compact sound system and there is no phono IN, plugging this thing into any other component IN will work. great buy, I recomend fosi stuff, I also have one of their mini amp and it's awesome
    Helpful
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  • Natalie Jones
    5.0 out of 5 stars Excellent
    Reviewed in Canada on February 6, 2025
    Verified Purchase
    Worked perfectly for my old turntable. Wired this into a Bluetooth transmitter and now can listen to my old vinyl on my Bluetooth speaker.
    Helpful
     Report
  • dchung
    5.0 out of 5 stars Easy to setup and works as described.
    Reviewed in Canada on January 14, 2025
    Verified Purchase
    It helped to connect my old turntable to the new Yamaha AV receiver that requires a preamp. Our black albums go live again!!
    Helpful
     Report
  • J. M. Ricke
    1.0 out of 5 stars horrible sound
    Reviewed in Canada on February 4, 2025
    Verified Purchase
    don’t buy it. I should not have . The sound is not good at all.
    Helpful
     Report

Top reviews from other countries

Translate all reviews to English
  • 鶹 Customer
    5.0 out of 5 stars Nifty
    Reviewed in Australia on July 1, 2025
    Verified Purchase
    Nifty product really well made and does what it says it will
    Report
  • Rkp
    5.0 out of 5 stars Great product
    Reviewed in India on September 21, 2024
    Verified Purchase
    I have a DUAL 1019 turntable that works well when paired with my pioneer SA-720 amplifier but the phono inputs on my amplifier were mediocre at best. Pairing this with the BOX X-1 by Fosi was a outstanding match. Sound quality is superb . This unit will drive the line in on you headphone amp, modern bookshelf system or PC. Outstanding product, no doubt.
    Report
  • Andy Gordon
    5.0 out of 5 stars produit efficace , conforme.
    Reviewed in France on March 4, 2025
    Verified Purchase
    Ce préampli Phono fonctionne bien , aucun bruit de fond;
    à mettre sous tension avant d'allumer l'ampli de puissance en mettant le volume à Zéro.
    La sortie casque n'a pas de réglage de volume par potentiomètre. Dommage .
    Report
  • Alexis B.
    5.0 out of 5 stars Great
    Reviewed in Sweden on December 5, 2024
    Verified Purchase
    Bought it together with an ortofon red and it was worth it !
    RCA is connected to the vinyl digitizer and the headphone output connected to the amp (for a while :)
    Report
  • Mohammed A.
    4.0 out of 5 stars It’s good
    Reviewed in the United Arab Emirates on March 17, 2024
    Verified Purchase
    It served the purpose
    Report