--- product_id: 571384600 title: "Douk Audio U10 Mini Tube Headphone Amplifier, HIFI Stereo Valve Preamp for Home Active Speaker, with RCA AUX Jacks" brand: "douk audio" price: "¥23982" currency: JPY in_stock: true category: "Douk Audio" url: https://www.desertcart.jp/products/571384600-douk-audio-u10-mini-tube-headphone-amplifier-hifi-stereo-valve store_origin: JP region: Japan --- # Pluggable tubes & op amps 1100mW dual headphone output 24V voltage boost from 5V DC Douk Audio U10 Mini Tube Headphone Amplifier, HIFI Stereo Valve Preamp for Home Active Speaker, with RCA AUX Jacks **Brand:** douk audio **Price:** ¥23982 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your audio game with tube-powered clarity and customizable warmth! ## Quick Answers - **What is this?** Douk Audio U10 Mini Tube Headphone Amplifier, HIFI Stereo Valve Preamp for Home Active Speaker, with RCA AUX Jacks by douk audio - **How much does it cost?** ¥23982 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/571384600-douk-audio-u10-mini-tube-headphone-amplifier-hifi-stereo-valve) ## Best For - douk audio enthusiasts ## Why This Product - Trusted douk audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Customizable Sound:** Easily upgrade tubes and op amps with pluggable sockets to tailor your audio signature and stay ahead of trends. - • **Powerful Dual Output:** Drive any headphones from 18Ω to 600Ω with up to 1100mW clean power for immersive sound. - • **Premium Build & Sound:** All-metal chassis with ceramic tube sockets offers excellent shielding and warm, natural valve-driven audio perfect for audiophiles. - • **Versatile Connectivity:** Supports stereo 3.5mm AUX and RCA inputs plus dual headphone jacks (3.5mm & 6.35mm) for seamless multi-device use. - • **Innovative Voltage Boost:** Built-in circuit ensures a stable 24V operation from a simple 5V DC input, delivering pristine audio clarity. ## Overview The Douk Audio U10 Mini Tube Headphone Amplifier is a compact hybrid amp featuring dual headphone outputs delivering up to 1100mW, a unique voltage boost circuit that runs at 24V from a 5V power source, and pluggable 6A2 tubes and op amps for easy sound customization. Designed for audiophiles seeking warm, transparent sound with versatile connectivity (3.5mm AUX, RCA, 3.5mm & 6.35mm outputs), it offers premium metal construction and excellent shielding, making it a cost-effective powerhouse for home audio setups. ## Description Compact tube headphone amplifier with stereo inputs, dual jacks, and innovative design for high-quality, transparent audio with amazing purity and clarity. ## Features - U10 headphone amplifier with strong power: stereo 3.5mm AUX and RCA inputs, compatible with most audio source such as MP3, phones, computers, CD players etc.. Dual headphone jacks (3.5/6.35mm) output up to 1100mW, easily to drive all 18-600Ω headphones; U10 also can be used as a preamp to improve the sound quality for amplifiers or active speakers. - Advanced design and HIFI sound: innovative built-in voltage boost circuit, U10 always works at a high voltage of 24V even only powered by DC 5V, the sound with deadly quiet background, amazing purity and transparency, accurate position and wide sound field, easy use and unrivalled sound are both achieved at the same time. - Pluggable design with higher playability: 2PCS 6A2 tubes are adopted to soften and warm the audio, sounds real and natural, full and mellow, delicate and sweet. Both tubes and op amps are designed with pluggable socket, convenient for tube rolling, op amp upgrading and sound-shaping, different styles of sound can be enjoyed easily. - Excellent manufacturing and most cost-effective: all metal case with good shielding, pure ceramic tube socket with antioxidant contact etc., U10 provides excellent sound and strong power for your headphones in such a mini size, specially suitable for the audiophiles who love listening to vocals, string music, light or classic music etc.. - Warm tips: 1. Not inlcude power adapter, recommend to use original high-quality power adapter (DC5V/≥2A ). U10 won't work normally if the current below 2A. 2. Inputs (3.5mm / RCA) and outputs (6.35mm/3.5mm jack) are connected in parallel, in other words, all inputs and outputs work simultaneously. Don't connect 3.5mm and RCA inputs at the same time, or else audio signals will be mixed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C1MT8DG8 | | Amplifier Type | Hybrid | | Audio Output Mode | Wired (Headphone Jack) | | Best Sellers Rank | 57,108 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 275 in Hi-Fi Amplifiers | | Box Contents | 1 × Acrylic Board, 1 × U10 Headphone Amplifier, 1 × USB to DC Cable, 1 × User Manual, 2 × 6A2 Tube | | Brand Name | Douk Audio | | Colour | Black, Gold | | Compatible Devices | all | | Connector Type | 3.5mm Jack, RCA, 6.35mm Jack, 3.5mm Jack | | Customer Reviews | 4.1 4.1 out of 5 stars (136) | | Enclosure Material | Metal | | Global Trade Identification Number | 47406628012264 | | Item Weight | 200 g | | Manufacturer | Douk Audio | | Manufacturer Part Number | U10 | | Model Name | U10 | | Model Number | U10 | | Number of Items | 1 | | Number of Packs | 1 | | Output Channel Quantity | 1 | | Output Wattage | 1100 Watts | | Power Source | DC power supply | | Sound Profile | Warm, Balanced | ## Product Details - **Brand:** Douk Audio - **Colour:** Black, Gold - **Compatible devices:** all - **Material:** Metal - **Output wattage:** 1100 Watts ## Images ![Douk Audio U10 Mini Tube Headphone Amplifier, HIFI Stereo Valve Preamp for Home Active Speaker, with RCA AUX Jacks - Image 1](https://m.media-amazon.com/images/I/71sOReNfoIL.jpg) ## Questions & Answers **Q: What is the output impedance? trying to figure out if this would be suitable for sensitive iems.** A: Hello. It is suitable for 18-600Ω headphones. ## Frequently Bought Together - Douk Audio U10 Mini Vacuum Tube Headphone Amp Amplifier 3.5mm 6.35mm for PC - High Fidelity Stereo Preamp for Home Speakers & Hi-Res Audiophiles - NewFantasia Replacement Audio Upgrade Cable Compatible with Sennheiser HD650, HD600, HD580, HD58X, HD660S, HD660S2, Massdrop HD6XX Headphones 1.2meters/4feet - Sennheiser HD 600 - Audiophile Hi-Res Open Back Dynamic Headphone --- ## 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.jp/products/571384600-douk-audio-u10-mini-tube-headphone-amplifier-hifi-stereo-valve](https://www.desertcart.jp/products/571384600-douk-audio-u10-mini-tube-headphone-amplifier-hifi-stereo-valve) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-24*