{"product_id":"topping-a70pro-fully-balanced-headphone-amplifier","title":"TOPPING A70PRO Fully Balanced Headphone Amplifier","description":"\u003cp\u003eDiscover the pinnacle of audio amplification with the Topping A70 Pro, a fully balanced headphone amplifier designed to elevate your listening experience. Equipped with the revolutionary T'ang-ku-la Module, ultra-low noise input stage, and an astounding 17000mW x 2 output power, this amplifier redefines high-fidelity sound. Seamlessly transitioning between headphone amplifier and preamplifier, the A70 Pro offers precision control, customizable settings, and a vibrant Aurora UI—all in a sleek, powerful package.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT'ang-ku-la Module: Elevate Your Audio Journey: \u003c\/strong\u003eNamed after an insurmountable mountain, the T'ang-ku-la Module signifies the amplifier's soaring spirit. Featuring a new three-stage feedback circuit, it reduces noise and distortion while achieving an unmatched 147dB dynamic range. This innovative technology not only enhances reliability and extends component life but also diminishes thermal noise for a truly immersive audio experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Circuit Architecture: Silence Meets Power \u003c\/strong\u003eThe A70 Pro introduces an ultra-low noise input stage that enhances balanced input noise performance and increases input impedance to 20kΩ, ensuring seamless compatibility with a variety of devices. A redesigned gain architecture further diminishes noise and distortion at high gain states, delivering unparalleled clarity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Powered Output, Minimal Distortion: Sonic Prowess\u003c\/strong\u003e Delivering an abundance of output power, the A70 Pro commands attention. With a remarkable output power of 17000mW@16Ω, it effortlessly drives even the most demanding headphones. The amplifier ensures a robust output thrust with ultra-low distortion and minimal noise levels, reaching as low as 0.2uVrms—a testament to its capability with high-sensitivity headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGround Loop Noise: Banished with a Switch \u003c\/strong\u003eBid farewell to ground loop noise with the A70 Pro's GND\/LIFT switch. In LIFT mode, noise vanishes, leaving you with pure, uninterrupted sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAurora UI: Tailor Your Experience \u003c\/strong\u003eExperience the A70 Pro's vibrant display screen adorned with three touch buttons, featuring the Aurora UI system. Customize the device's appearance and access playback information, FFT, and VU meter effortlessly by pressing the volume knob—an innovative and visually engaging user interface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Volume Adjustment with R2R Relay Control: Fine-Tuned Brilliance\u003c\/strong\u003e Topping introduces a precise volume adjustment system for the A70 Pro, employing relays and resistor networks to create an R2R volume control module. This design ensures accurate volume adjustment with extended service life, maintaining fidelity even at low volume levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpandable Inputs with EXT90 Support: Versatility Unleashed\u003c\/strong\u003e Equipped with balanced XLR and Single-Ended RCA inputs, the A70 Pro offers a robust foundation. Users can expand connectivity using the Topping EXT90 external input device, adding four Balanced XLRs and two single-ended RCA inputs, ensuring versatility and adaptability to diverse audio setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003eMax THD+N: \u0026lt;0.00005%\u003cbr\u003eMax SNR: 147dB\u003cbr\u003eMax dynamic range: 147dB\u003cbr\u003eFrequency response: 20Hz - 40kHz\u003cbr\u003eMax output levels: 56Vpp (low gain), 54Vpp (high gain)\u003cbr\u003eActual noise level (A-wt): \u0026lt;0.6uVrms (low gain), \u0026lt;1.8uVrms (high gain)\u003cbr\u003eLowest crosstalk: -133dB\u003cbr\u003eGain: 6dB (low gain), 19.8dB (high gain)\u003cbr\u003eOutput levels\u003cbr\u003e 17,000mW x2 @16Ω \u003cbr\u003e 12,600mW x2 @32Ω \u003cbr\u003e 6,000mW x2 @64Ω \u003cbr\u003e 1,370mW x2 @300Ω \u003cbr\u003e 670mW x2 @600Ω \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePacking list:\u003c\/strong\u003e\u003cbr\u003eTOPPING A70Pro\u003cbr\u003eRemote Control\u003cbr\u003ePower Cable\u003cbr\u003e6.36 to 3.5mm adapter\u003cbr\u003eWarranty card\u003cbr\u003e \u003c\/p\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-25.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-16.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-5.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-6.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-1.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-19.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-14.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg 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src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-2.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-20.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-3.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-17.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg 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src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-9.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-18.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-11.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-8.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-23.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/topping-a70pro-fully-balanced-headphone-amplifier-hifichic-24.jpg\" alt=\"\" style=\"display:block;margin:20px auto;max-width:100%;width:100%;height:auto;\"\u003e","brand":"TOPPING","offers":[{"title":"Black","offer_id":48702470324416,"sku":"10013212-Black","price":3990.7,"currency_code":"HKD","in_stock":true},{"title":"Silver","offer_id":48702470357184,"sku":"10013212-Silver","price":3990.7,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/7085\/2544\/files\/01_topping-a70pro-fully-balanced-headphone-amplifier-6.png?v=1785679105","url":"https:\/\/hifichic.com\/products\/topping-a70pro-fully-balanced-headphone-amplifier","provider":"HIFICHIC","version":"1.0","type":"link"}