{"product_id":"xduoo-mt-02","title":"xDuoo MT-02 Hybrid Tube Headphone Amp — Dual 6J1, 1500mW, 4.4mm + 6.35mm","description":"\u003cp class=\"tp-summary\"\u003eThe xDuoo MT-02 is a compact desktop headphone amp that pairs a dual 6J1 tube preamp stage with a Class A transistor output rated 1500mW at 32Ω, feeding 4.4mm and 6.35mm jacks and a volume-controlled RCA pre-out. It suits listeners who want a visible tube stage between a DAC or CD player and their headphones.\u003c\/p\u003e\n\u003ch2\u003eWho the xDuoo MT-02 is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube-curious listeners:\u003c\/strong\u003e Two 6J1 tubes run the preamp stage behind clear acrylic front and rear panels, while transistors handle the current amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDemanding headphones:\u003c\/strong\u003e xDuoo rates it at 1500mW into 32Ω, 500mW into 150Ω, 250mW into 300Ω and 130mW into 600Ω, with a low\/high gain switch (+12dB\/+18dB).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed headphone plugs:\u003c\/strong\u003e A 4.4mm jack and a 6.35mm jack sit on the front panel, and a 6.35mm to 3.5mm adapter comes in the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker setups:\u003c\/strong\u003e The RCA line out carries the tube-stage signal under the front volume knob, so it can feed a power amp or powered speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet power-ups:\u003c\/strong\u003e A protection relay holds the outputs through a 30-second tube warm-up and shuts down on overload or short circuit, and a rear ground terminal helps cut hum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkip it if:\u003c\/strong\u003e you need a built-in DAC or Bluetooth; the MT-02 takes one pair of RCA analog inputs, so a phone or computer needs a separate DAC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003exDuoo MT-02 key specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubes:\u003c\/strong\u003e 2 × 6J1 in the preamp stage; Class A transistor output stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power:\u003c\/strong\u003e 1500mW at 32Ω; 900mW at 75Ω; 500mW at 150Ω; 250mW at 300Ω; 130mW at 600Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone outputs:\u003c\/strong\u003e 4.4mm and 6.35mm, front panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput and line out:\u003c\/strong\u003e RCA line in; RCA line out through the tube stage, volume-controlled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e Low\/high switch, +12dB\/+18dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 10Hz–60kHz (±0.5dB); THD+N ≤0.1% (1kHz, 32Ω); 118dB SNR; ≥73dB crosstalk\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e DC 12V\/2A from the included external adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e Aluminum alloy chassis; clear acrylic front and rear panels; ELNA coupling and Rubycon filter capacitors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and weight:\u003c\/strong\u003e 13.6 × 11.0 × 8.1cm; 0.61kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e MT-02, power adapter, AC cable, 6.35mm to 3.5mm adapter, user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"tp-trust\"\u003eGenuine xDuoo stock. Free shipping on every order, 45-day returns.\u003c\/p\u003e","brand":"xDuoo","offers":[{"title":"Default Title","offer_id":46347728814215,"sku":"XDuoo MT-02","price":105.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/5833\/0247\/files\/12864413013.jpg?v=1793197429","url":"https:\/\/tonepier.com\/products\/xduoo-mt-02","provider":"TonePier","version":"1.0","type":"link"}