--- product_id: 483417882 title: "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" brand: "fosi audio" price: "€ 53.07" currency: EUR in_stock: true reviews_count: 2 category: "Fosi Audio" url: https://www.desertcart.hr/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio store_origin: HR region: Croatia --- # Dual RCA & 3.5mm headphone outputs Includes DC 12V power adapter Ultra-low noise phono preamp 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 **Brand:** fosi audio **Price:** € 53.07 **Availability:** ✅ In Stock ## Summary > 🎵 Elevate your vinyl game—because your records deserve the spotlight! ## Quick Answers - **What is this?** 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 by fosi audio - **How much does it cost?** € 53.07 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio) ## Best For - fosi audio enthusiasts ## Why This Product - Trusted fosi audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Power:** Comes with a reliable DC 12V power adapter ensuring consistent, high-fidelity performance every time. - • **Sleek & Durable Design:** Encased in a rugged black anodized steel chassis that complements any modern audio setup. - • **Crystal-Clear Vinyl Revival:** Transforms MM turntable signals into pristine line-level audio with ultra-low noise circuitry. - • **Precision Audio Engineering:** Built-in RIAA standard preamp delivers accurate, distortion-free sound with a 70dB SNR and ≤0.08% THD. - • **Versatile Audio Connectivity:** Simultaneously outputs via RCA and 3.5mm headphone jack for seamless integration with speakers and headphones. ## Overview The Fosi Audio Box X1 is a compact, ultra-low noise MM phono preamp designed to convert turntable signals into high-quality line-level output. Featuring a DC 12V power supply, dual RCA and 3.5mm headphone outputs, and precision RIAA standard circuitry, it ensures crystal-clear, distortion-free audio. Housed in a durable anodized steel case, it’s the perfect upgrade for audiophiles seeking flawless vinyl playback with versatile connectivity. ## Description 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 : desertcart.ae: Electronics Review: Fosi ✌️ - Fosi good products Review: It’s good - It served the purpose ## Features - 【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, our worry-free 24-month warranty, and friendly customer service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08TLRPMDC | | Best Sellers Rank | #13,732 in Electronics ( See Top 100 in Electronics ) #2 in Home Audio Preamplifiers | | Brand Name | Fosi Audio | | Customer Reviews | 4.4 out of 5 stars 1,796 Reviews | | Item Dimensions | 18 x 13 x 6 centimeters | | Item dimensions L x W x H | 18 x 13 x 6 centimeters | | Manufacturer | Fosi Audio | | Maximum Supply Voltage | 240 Volts | | Maximum supply voltage | 240 Volts | | Minimum Supply Voltage | 12 Volts (DC) | | Minimum supply voltage | 12 Volts (DC) | | Model | BOX X1 | | Mounting Type | Freestanding mounting | | Mounting type | Freestanding mounting | | Number of Channels | 1 | | Package Type Name | cardboard box | | Specification Met | RoHS | | Voltage | 12 Volts | ## Product Details - **Item dimensions L x W x H:** 18 x 13 x 6 centimeters - **Manufacturer:** Fosi Audio - **Maximum supply voltage:** 240 Volts - **Minimum supply voltage:** 12 Volts (DC) - **Voltage:** 12 Volts ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/61N2wiBdvfL.jpg) ## Questions & Answers **Q: How to adjust speaker volume (BOX X1)？** A: The speaker volume is controlled through the volume knob on the speakers. **Q: Is the DC input jack center-negative or center-positive (BOX X1)?** A: It is a center-positive connector. **Q: What is the gain (in dB) of BOX X1?** A: The gain of the BOX X1 is 35 dB. **Q: Can this be used with a moving coilcartridge?** A: No,this is a MM phono preamp only. **Q: Can this work with my turntable andheadphones?** A: Yes,The BOX X1 is designed with 3.5MM headphone output. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fosi ✌️ *by F***L on 11 August 2025* Fosi good products ### ⭐⭐⭐⭐ It’s good *by M***. on 17 March 2024* It served the purpose ## Frequently Bought Together - 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 - Tan QY 2RCA to 2RCA Cable 3Ft, Gold-Plated 2 RCA Male to 2 RCA Male Stereo Audio Cable for Home Theater, HDTV, Gaming Consoles, Hi-Fi Systems (3Ft/1M) - Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio](https://www.desertcart.hr/products/483417882-box-x1-phono-preamp-for-mm-turntable-mini-stereo-audio) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-24*