--- product_id: 408018244 title: "LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply" brand: "linkfor" price: "$74.25" currency: USD in_stock: true reviews_count: 13 category: "Li Nkfor" url: https://www.desertcart.us/products/408018244-linkfor-ma400-headphone-amplifier-for-xlr-microphone-and-audio-signal store_origin: US region: United States of America --- # Reliable 12V phantom power supply Dual headphone outputs (6.35mm & 3.5mm) Independent volume controls for mic & mixer LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply **Brand:** linkfor **Price:** $74.25 **Availability:** ✅ In Stock ## Summary > 🎤 Elevate your sound game—studio-grade clarity, anywhere you go! ## Quick Answers - **What is this?** LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply by linkfor - **How much does it cost?** $74.25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/408018244-linkfor-ma400-headphone-amplifier-for-xlr-microphone-and-audio-signal) ## Best For - linkfor enthusiasts ## Why This Product - Trusted linkfor brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Lightweight, portable design with certified 12V power supply—studio-grade sound anywhere. - • **Universal Compatibility:** Dual headphone jacks (1/4'' & 1/8'') fit all your favorite studio headphones and IEMs. - • **Crystal-Clear Audio Precision:** Ultra-low noise direct insertion for condenser mics ensures pristine sound quality. - • **Interference-Free Performance:** GND LIFT button eliminates static and ground loop noise for flawless audio. - • **Tailored Listening Experience:** Separate volume controls for microphone and mixer signals put you in full control. ## Overview The LiNKFOR MA400 is a portable headphone amplifier designed for professional audio setups, featuring ultra-low noise direct insertion for condenser microphones, independent volume controls for mic and mixer signals, dual headphone outputs (6.35mm and 3.5mm), and a reliable 12V phantom power supply. Its compact metal enclosure and GND LIFT button ensure interference-free, high-fidelity sound, making it ideal for studio and live performance use. ## Description Product description Review: Great Product for my music room - Its a great addition to my music room. It works great Review: Great for IEMs when you don't need to be wireless. - We use these to provide in ear monitors for our band rehearsals. They work great. ## Features - MA400 Headphone Amplifier:It has the effect of using condenser microphones with ultra-low noise direct insertion.Provide reliable phantom power.GND LIFT button preserves ground connections with mixers,shielding audio signals from static interference - Independent Volume Control:Supports independent adjustment of the volume of the microphone signal and the volume of the mixer or Hi-Fi unit signal, and has a mono/stereo switch for switching to achieve maximum flexibility - Headphone Output:With 1/4'' and 1/8'' output jacks, it can be dapted to most headsets and make it convenient to use - What You Get:MA400 Headphone Amplifier*1, Power Adapter*1, User Manual*1.With a CERTIFIED Power Supply, LiNKFOR MA400 Headphone amplifier can stabilize the performance and reduce noise - Lightweight & Portable:With a mini size of 114 x 57 x 31mm, Weight: only 0.84 lbs / 0.38 kg.Easy to carry wherever you go. Ideal for studio and performance stage ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09BKZCQG7 | | Antenna Location | Voice Recording, Singing, Speech | | Audio Sensitivity | 40 Decibels | | Best Sellers Rank | #87,549 in Electronics ( See Top 100 in Electronics ) #536 in Audio Component Amplifiers | | Brand | LiNKFOR | | Built-In Media | Headphone Amplifier, Power Adapter, User Manual | | Color | Black | | Compatible Devices | Audio Mixer | | Connectivity Technology | XLR | | Connector Type | 3.5 mm Jack | | Customer Reviews | 4.2 out of 5 stars 118 Reviews | | Enclosure Material | Metal | | Frequency Range | 10Hz to 80kHz | | Frequency Response | 40 Hz | | Hardware Platform | PC | | Impedance | 2 Ohms | | Item Dimensions | 4.06 x 2.52 x 1.85 inches | | Item Weight | 380 Grams | | Manufacturer | LiNKFOR | | Maximum Frequency | 80 KHz | | Mfr Part Number | ULKDAC142us | | Microphone Form Factor | Handheld | | Minimum Frequency | 10 Hz | | Model Name | studio | | Model Number | MX400 | | Number of Batteries | 1 12V batteries required. | | Number of Channels | 1 | | Polar Pattern | Unidirectional | | Power Source | Corded Electric | | Recommended Uses For Product | Voice Recording, Singing, Speech | | Signal-to-Noise Ratio | 90 dB | | Special Feature | Volume Control | | Warranty Description | 18 Months | ## Product Details - **Brand:** LiNKFOR - **Color:** Black - **Compatible Devices:** Audio Mixer - **Connectivity Technology:** XLR - **Connector Type:** 3.5 mm Jack - **Included Components:** Headphone Amplifier, Power Adapter, User Manual - **Model Name:** studio - **Polar Pattern:** Unidirectional - **Recommended Uses For Product:** Voice Recording, Singing, Speech - **Special Feature:** Volume Control ## Images ![LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply - Image 1](https://m.media-amazon.com/images/I/61T5VGOxVOL.jpg) ![LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply - Image 2](https://m.media-amazon.com/images/I/7118s5HSc-L.jpg) ![LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply - Image 3](https://m.media-amazon.com/images/I/71iUjFa2efL.jpg) ![LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply - Image 4](https://m.media-amazon.com/images/I/71N+E8StbHL.jpg) ![LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply - Image 5](https://m.media-amazon.com/images/I/61sxWeGrtAL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Product for my music room *by M***E on April 6, 2026* Its a great addition to my music room. It works great ### ⭐⭐⭐⭐⭐ Great for IEMs when you don't need to be wireless. *by M***C on January 19, 2026* We use these to provide in ear monitors for our band rehearsals. They work great. ### ⭐⭐⭐⭐⭐ Love these *by L***. on April 26, 2026* Love these things, haven't failed me yet. As a singing drummer with in ear monitors this is perfect. I have independent control over my vocal mic and my mix. I never run in to a situation that I need converters, it wil accept either 1/4 inch jack or XLR both on separate mix controls ## Frequently Bought Together - LiNKFOR MA400 Headphone Amplifier for XLR Microphone & Audio Signal with Volume Controls, 6.35mm & 3.5mm Headphone Outputs, Portable with 12V Power Supply - Pyle Premium Direct Injection Audio Box - 2.36" x 4.09" Passive DI Unit Hum Eliminator w/ Input Attenuator to Connect Guitar & Bass, 1/4'' Impedance Transformer Connector to Balanced & Unbalanced XLR - GearIT 20ft, 6-Pack XLR Male to Female Mic Cable, 3-Pin Balanced Shielded, Black, for Mic Mixer, Recording Studio, Podcast --- ## 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.us/products/408018244-linkfor-ma400-headphone-amplifier-for-xlr-microphone-and-audio-signal](https://www.desertcart.us/products/408018244-linkfor-ma400-headphone-amplifier-for-xlr-microphone-and-audio-signal) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-18*