{"product_id":"apos-certified-topping-a70-pro-fully-balanced-headphone-amplifier","title":"TOPPING A70 Pro Fully Balanced Headphone Amplifier (Apos Certified)","description":"\u003ch1\u003e\u003cstrong\u003ePinnacle Audio--for Less\u003c\/strong\u003e\u003c\/h1\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIntroducing the TOPPING A70 Pro, a fully balanced headphone amplifier that takes your listening experience to new heights. Featuring the cutting-edge T'ang-ku-la Module, ultra-low noise input stage, and a whopping 17000mW x 2 output power, this powerhouse delivers unparalleled audio performance. And with the added bonus of acting as a preamplifier, the A70 Pro seamlessly adapts to your audio needs. Dive into the world of high-fidelity sound with precision control, customizable settings, and a vibrant Aurora UI—all in one sleek package.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eT'ang-ku-la Module: Soaring Performance\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe T'ang-ku-la Module, named after a mountain that an eagle can’t fly over, symbolizes the soaring spirit of this amplifier. This module features a new three-stage feedback circuit that further reduces noise and high-frequency distortion, pushing the dynamic range to an unmatched 147dB. The innovative technology also reduces heat generation, enhancing reliability, extending component life, and lowering thermal noise.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eRe-optimized Circuit Architecture\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe A70 Pro boasts a newly developed ultra-low noise input stage that improves the balanced input noise performance and increases input impedance to 20kΩ, ensuring better compatibility with incoming devices. The redesigned gain architecture further diminishes noise and distortion at high gain states compared to its predecessors.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eGround Loop Noise: Disappearing Magic\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSay goodbye to ground loop noise with the A70 Pro's GND\/LIFT switch. When noise is encountered, simply switch to LIFT mode, and the noise will vanish.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eAurora UI: A New Experience\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe A70 Pro boasts a full-color screen and three touch buttons, allowing you to customize the playback information, FFT, and VU according to your preferences. Additional functions are available by pressing the volume knob.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eRelay Volume Control\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eExperience precise volume control with the A70 Pro's relays and resistor networks, forming an R2R volume control module. This ensures long service life and accuracy, even at low volume levels.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eProduct Highlights\u003c\/b\u003e\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eUnprecedented high power output: 17000mW x 2\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eVanishingly low distortion\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRelay volume control\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eTwo gain settings\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eT'ang-ku-la Module for improved performance\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRe-optimized circuit architecture\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGround loop noise elimination\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eExpandable inputs with Ext90 input expansion\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCan function as a headphone amp or preamp\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e12V Trigger for seamless device synchronization\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch2\u003e\u003cb\u003eSpecs\u003c\/b\u003e\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMax THD+N: \u0026lt;0.00005%\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMax SNR: 147dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMax dynamic range: 147dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFrequency response: 20Hz - 40kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMax output levels: 56Vpp (low gain), 54Vpp (high gain)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eActual noise level (A-wt): \u0026lt;0.6uVrms (low gain), \u0026lt;1.8uVrms (high gain)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLowest crosstalk: -133dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGain: 6dB (low gain), 19.8dB (high gain)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eOutput levels\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e17,000mW x2 @16Ω \u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e12,600mW x2 @32Ω \u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e6,000mW x2 @64Ω \u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e1,370mW x2 @300Ω \u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e670mW x2 @600Ω \u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSee photos for more details \u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eTOPPING A70 Pro Fully Balanced Headphone Amplifier\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemote Control\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePower Cable\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e6.36 to 3.5mm adapter\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eWarranty card\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e","brand":"TOPPING","offers":[{"title":"Black","offer_id":46878571135151,"sku":"APS-AC-0675-1-LN","price":349.3,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":46878571167919,"sku":"APS-AC-0675-3-LN","price":349.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/apos-audio-topping-headphone-amp-topping-a70-pro-fully-balanced-headphone-amplifier-apos-certified-39200814432492.png?v=1778010873","url":"https:\/\/freshized.com\/products\/apos-certified-topping-a70-pro-fully-balanced-headphone-amplifier","provider":"Freshized","version":"1.0","type":"link"}