{"product_id":"topping-a50-iii-desktop-headphone-amp","title":"TOPPING A50 III Desktop Headphone Amp","description":"\u003cp\u003e\u003cem\u003eNote: The black variant is backordered until the end of May.\u003c\/em\u003e\u003c\/p\u003e\n \u003ch1\u003e\u003cb\u003eBack and better than ever\u003c\/b\u003e\u003c\/h1\u003e\n \u003cp\u003eMeet the third generation of the TOPPING A50 series, the A50 III Desktop Headphone Amp, which builds on the foundation of its predecessors to deliver an even better audio experience. This generation boasts a THD+N of less than 0.00006%, a dynamic range over 144dB, and an impressive output of 3500mW x 2 @32Ω. Featuring the NFCA (Nested Feedback Composite Amplifier) module and a 3-step gain switch, the A50 III drives a wide range of headphones and IEMs with world-class clarity.\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eUltra-high performance in every note\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003eThe heart of the A50 III is the advanced NFCA (Nested Feedback Composite Amplifier) module, shared with its predecessor, the A50s. This cutting-edge technology ensures stellar DC and AC performance, driving even low-impedance headphones without breaking a sweat.\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eRobust machined aluminum shell\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePrecision is key in the creation of the A50 III, which boasts a machined shell meticulously carved from a solid block of aluminum. This process not only offers superior electromagnetic shielding, but provides a smooth, refined look and exceptional strength.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003ePutting the “I\/O” in audio\u003c\/h2\u003e\n \u003cp\u003eOffering both 6.35mm single-ended and 4.4mm balanced headphone jacks, alongside RCA and TRS inputs, the A50 III adapts seamlessly to your audio setup. Its versatile connection options ensure you can easily switch between input and output combinations, however you like to listen.\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003eCalling all cans and IEMs\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWith three gain settings and an ultra-low noise floor, the A50 III caters to any headphone, from sensitive IEMs to power-hungry over-ears. Its robust output ensures your music always sounds its best, free from distortion even at peak levels.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2\u003e\u003cb\u003ePurely powerful\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp\u003eFeaturing a powerful output of 3500mW x2 @32Ω, the A50 III guarantees your headphones reach their full potential. Combined with its low distortion rate, this amp delivers clean, powerful sound that stays true to the original recording.\u003c\/p\u003e\n \u003ch2\u003eSynchronized and simplified\u003c\/h2\u003e\n \u003cp\u003eThe 12V trigger output allows the A50 III to power on and off in sync with your other devices, including its perfect match, the D50 III.\u003c\/p\u003e\n \u003ch3\u003e\u003cb\u003eProduct highlights\u003c\/b\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eNFCA module for superior sound quality\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCNC unibody design for durability and electromagnetic shielding\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMultiple input and output options for versatile connectivity\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eThree gain settings to accommodate all types of headphones\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePowerful output of 3500mW x2 ensures wide compatibility\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow distortion for clear, detailed sound\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e12V trigger for synchronized operation with other devices\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003e\u003cb\u003eSpecs\u003c\/b\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMaximum specs (see photos for full specs)\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eTHD+N @1kHz (A-wt): \u0026lt;0.00006%\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eTHD @20-20kHz 90kBW: \u0026lt;0.0001%\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eSNR @Max Out 1kHz A-wt: 144dB\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eDynamic range @1kHz A-wt: 144dB\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eFrequency response: 20Hz - 40kHz (±0.1dB) \/ 10Hz - 100kHz (±0.5dB)\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eOutput level:\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow gain: 21Vpp\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMedium gain: 21Vpp\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHigh gain: 21Vpp\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eAP measured noise level @A-wt\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow gain: \u0026lt;0.7uVrms\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMedium gain: \u0026lt;0.7uVrms\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003eHigh gain: \u0026lt;1.1uVrms\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eActual noise level @A-wt\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow gain: \u0026lt;0.3uVrms\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMedium gain: \u0026lt;0.3uVrms\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHigh gain: \u0026lt;1.0uVrms\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eInput sensitivity\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow gain: 9.2Vrms\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMedium gain: 8Vrms\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003eHigh gain: 1.9Vrms\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGain\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow gain: -12dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMedium gain: 0dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHigh gain: 11.7dB\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eOutput impedance: \u0026lt;0.2Ω\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eInput impedance\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003eLow gain: 2kΩ\u003cbr\u003e\n \u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003eMedium gain: 2kΩ\u003cbr\u003e\n \u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003eHigh gain: 2kΩ\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eOutput power\u003c\/span\u003e\u003c\/li\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"3\"\u003e3500mW x2 @32Ω THD+N\u0026lt;0.1%\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"2\"\u003eLoad impedance: \u0026gt;8Ω\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhat’s included\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eTOPPING A50 III\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e15V DC adapter\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e6.35 to 3.5mm adapter\u003c\/span\u003e\u003c\/li\u003e\n \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eProduct information card\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3 style=\"font-weight: 400;\"\u003e\u003cstrong\u003e\u003cspan\u003eFeatured reviews\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cp\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/JoRS4kpHby0?si=BUJ5nSJo37_gp-ds\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan\u003e\"Incredibly well-priced and well-performing. Produces fantastic resolution, clarity, and buckets and buckets of detail.\" -Passion for Sound\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n \u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/85qztsrFNkE?si=UQa7vM58TqRIzdMC\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cem\u003e\"If you're running lower-impedance headphones or IEMs, this stack is perfect. That's all you need. You don't need to spend any more money.\" -Thift Shop Reviews\u003c\/em\u003e\u003c\/p\u003e","brand":"TOPPING","offers":[{"title":"Black \/ A50 III Only","offer_id":46878554259631,"sku":"APS-0862-1","price":199.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ A50 III + D50 III + Apos Flow RCA Cable","offer_id":46878554292399,"sku":"APS-0862-3","price":429.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ A50 III + D50 III + Apos Flow Balanced TRS Cable","offer_id":46878554325167,"sku":"APS-0862-5","price":469.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ A50 III Only","offer_id":46878554357935,"sku":"APS-0862-2","price":199.0,"currency_code":"USD","in_stock":true},{"title":"Silver \/ A50 III + D50 III + Apos Flow RCA Cable","offer_id":46878554390703,"sku":"APS-0862-4","price":429.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ A50 III + D50 III + Apos Flow Balanced TRS Cable","offer_id":46878554423471,"sku":"APS-0862-6","price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/apos-audio-topping-headphone-amp-topping-a50-iii-desktop-headphone-amp-40019480477932.jpg?v=1778010654","url":"https:\/\/freshized.com\/products\/topping-a50-iii-desktop-headphone-amp","provider":"Freshized","version":"1.0","type":"link"}