{"product_id":"topping-l70-headphone-amplifier","title":"TOPPING L70 Fully Balanced NFCA Headphone Amplifier \u0026 Preamplifier","description":"\u003cp\u003e\u003cstrong\u003eTOPPING L70 Headphone Amplifier \u0026amp; Preamplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TOPPING L70 is a fully balanced desktop headphone amplifier built around the same NFCA (Nested Feedback Composite Amplifier) module used in TOPPING’s flagship A90. Combining a true balanced signal path from input to output, an R2R relay volume control, and a dynamic range of 146dB, the L70 delivers a pitch-black background, effortless control, and universal output flexibility. It doubles as a high-quality preamplifier and includes a full-function remote control – a complete, world-ready reference amplifier available in Black and Silver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNFCA Amplifier Module – TOPPING House Sound\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe L70 uses the same NFCA module as the A90, giving it the TOPPING \"house sound.\" The voltage-current hybrid feedback architecture, combined with UHGF (Ultra High Gain Feedback) technology, provides excellent DC and AC performance, ultra-low THD+N below 0.000055%, and a dynamic range of 146dB – revealing micro-details in your music that other amplifiers simply miss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully Balanced Circuit with Four Headphone Outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe built-in fully balanced amplifier circuit performs exceptionally well with both balanced and single-ended headphones. Four jacks accommodate virtually every headphone termination: 4-pin XLR balanced, 4.4mm Pentaconn balanced, 6.35mm single-ended, and 3.5mm single-ended – no adapters needed for most cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUltimate Compatibility with Any Headphone\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTOPPING designed the L70 to power the vast majority of headphones. High output voltage easily drives high-impedance headphones; high output current drives low-sensitivity headphones with up to 7500mW×2 into 32Ω; an ultra-low noise floor keeps high-sensitivity IEMs hiss-free; and an output impedance below 0.1Ω avoids unwanted effects on the frequency response of low-impedance headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo Gain Settings for Any Source\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe L70 offers two selectable gain levels covering a wide range of use cases – from low-sensitivity full-sized headphones to high-sensitivity IEMs – letting you match the output precisely to your gear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eR2R Relay Volume Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe L70 uses an R2R volume control composed of relays and resistor networks, bringing precise control, long durability, and complete channel balance – a level of refinement normally found only in flagship designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVolume Memory for Eight Outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe L70 memorizes volume and gain settings for 8 separate outputs. Customize each setting for different headphones and other devices, and switch between them instantly – vastly increasing day-to-day usability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoubles as a Preamplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn preamp mode, connect a power amplifier to drive bookshelf, desktop, or floor-standing speakers. With RCA, TRS, and XLR output ports plus the included remote control, you can control your entire system from the comfort of your listening position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e12V Trigger \u0026amp; Ground Loop Elimination\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA 12V trigger on the rear panel links power on\/off between compatible devices – turn on one unit and the rest of the system comes on automatically. A GND\/LIFT switch eliminates ground loop hum when multiple pieces of equipment are used together.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier Module:\u003c\/strong\u003e NFCA (Nested Feedback Composite Amplifier), voltage-current hybrid feedback with UHGF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Outputs:\u003c\/strong\u003e 4-pin XLR balanced, 4.4mm balanced, 6.35mm single-ended, 3.5mm single-ended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreamplifier Outputs:\u003c\/strong\u003e RCA, TRS, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 7500mW×2 @32Ω; 1150mW×2 @300Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N:\u003c\/strong\u003e \u0026lt;0.000055%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Range (DNR):\u003c\/strong\u003e 146dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e \u0026lt;0.3µVrms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e \u0026lt;0.1Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e 2 selectable levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume Control:\u003c\/strong\u003e R2R relay + resistor network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume Memory:\u003c\/strong\u003e 8 output modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrigger:\u003c\/strong\u003e 12V trigger input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround Isolation:\u003c\/strong\u003e GND\/LIFT switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e Full-function remote included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Black, Silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTOPPING L70 headphone amplifier\u003c\/li\u003e\n\u003cli\u003eRemote control\u003c\/li\u003e\n\u003cli\u003eAC cable\u003c\/li\u003e\n\u003cli\u003e6.35mm to 3.5mm adapter\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003cli\u003eWarranty card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-headphone-amplifier-hero.jpg?v=1787200210\" alt=\"topping l70 headphone amplifier hero\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-nfca-ultra-high-performance.jpg?v=1787200211\" alt=\"topping l70 nfca ultra high performance\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-nfca-amplifier-module.jpg?v=1787200211\" alt=\"topping l70 nfca amplifier module\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-headphone-outputs-xlr-44mm-635mm.jpg?v=1787200212\" alt=\"topping l70 headphone outputs xlr 44mm 635mm\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-fully-balanced-circuit.jpg?v=1787200211\" alt=\"topping l70 fully balanced circuit\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-headphone-compatibility.jpg?v=1787200210\" alt=\"topping l70 headphone compatibility\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-gain-settings.jpg?v=1787200211\" alt=\"topping l70 gain settings\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-r2r-relay-volume-control.jpg?v=1787200211\" alt=\"topping l70 r2r relay volume control\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-volume-memory.jpg?v=1787200209\" alt=\"topping l70 volume memory\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-preamp-mode.jpg?v=1787200210\" alt=\"topping l70 preamp mode\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-12v-trigger.jpg?v=1787200208\" alt=\"topping l70 12v trigger\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-remote-control.jpg?v=1787200211\" alt=\"topping l70 remote control\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-whats-in-the-box.jpg?v=1787200211\" alt=\"topping l70 whats in the box\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-gnd-lift-switch.jpg?v=1787200210\" alt=\"topping l70 gnd lift switch\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-ground-loop-noise.jpg?v=1787200211\" alt=\"topping l70 ground loop noise\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-technical-specifications.jpg?v=1787200210\" alt=\"topping l70 technical specifications\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-output-power.jpg?v=1787200207\" alt=\"topping l70 output power\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-dimensions-diagram.jpg?v=1787200209\" alt=\"topping l70 dimensions diagram\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-preamplifier-connectivity.jpg?v=1787200211\" alt=\"topping l70 preamplifier connectivity\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-system-integration.jpg?v=1787200211\" alt=\"topping l70 system integration\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-01.jpg?v=1787200209\" alt=\"topping l70 specifications sheet 01\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-02.jpg?v=1787200209\" alt=\"topping l70 specifications sheet 02\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-03.jpg?v=1787200210\" alt=\"topping l70 specifications sheet 03\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-04.jpg?v=1787200209\" alt=\"topping l70 specifications sheet 04\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-05.jpg?v=1787200209\" alt=\"topping l70 specifications sheet 05\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-06.jpg?v=1787200209\" alt=\"topping l70 specifications sheet 06\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-specifications-sheet-07.jpg?v=1787200208\" alt=\"topping l70 specifications sheet 07\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-accessories.jpg?v=1787200209\" alt=\"topping l70 accessories\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-in-the-box.jpg?v=1787200209\" alt=\"topping l70 in the box\"\u003e\u003c\/p\u003e","brand":"TOPPING","offers":[{"title":"Black","offer_id":48849047486656,"sku":"10017317","price":2231.27,"currency_code":"HKD","in_stock":true},{"title":"Silver","offer_id":48849048305856,"sku":"10013932","price":2231.27,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-l70-headphone-amplifier-front-view.jpg?v=1787200220","url":"https:\/\/hifichic.com\/products\/topping-l70-headphone-amplifier","provider":"HIFICHIC","version":"1.0","type":"link"}