SKU: 89530627768

TOPPING A30Pro NFCA Headphone Amplifier

Sale price$157.50 Regular price$175.00
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

TOPPING A30Pro NFCA Headphone AmplifierFeatures: >Audio by pass even when power off. >Hi res certified. >Fully balanced architecture. >Balanced XLR input support. >4 pin XLR+4. 4mm Balanced output. >6. 35mm SE output. >Three level gain( 14dB, 0dB, 14dB). >Ultra Low Distortion(<0. 00006%). >Ultra Low Noise(<0. 3uVrms). >Incredibly Powerful(Up to 6W output power @ 16ohms). Topping A30 Pro is an incredibly powerful desktop headphone amplifier with fully balanced 4 pin XLR and 4. 4mm headphone


Features:-

>Audio by-pass even when power off.

>Hi-res certified.

>Fully balanced architecture.

>Balanced XLR input support.

>4-pin XLR+4.4mm Balanced output.

>6.35mm SE output.

>Three level gain(-14dB, 0dB, 14dB).

>Ultra-Low Distortion(<0.00006%).

>Ultra-Low Noise(<0.3uVrms).

>Incredibly Powerful(Up to 6W output power @ 16ohms).

Topping A30 Pro is an incredibly powerful desktop headphone amplifier with fully balanced 4-pin XLR and 4.4mm headphone output ports. The A30 Pro is a high-tier performer achieving an ultra-low distortion rating close to 0.00006% providing clean, distortion-free output. It supports both high-demanding headphones and sensitive IEMs with a three-step gain switch.

Super-Clean Power For Your Headphones:-

For an authentic experience, a headphone amplifier should have two things, powerful output, and clean distortion-free output. The Topping A30 Pro checks both these and provides a true-to-life natural experience for its users. It achieves THD+N ratings of 0.00006% along with ultra-low noise floor of <0.3uV and high-dynamic-range of 145dB. We are pretty sure you are gonna love the pitch dark completely noise-free output with your HiFi headphones.

 

NFCA Based High-Performance Audio Circuit:-

The A30 Pro utilizes the new specifically redesigned NFCA based audio circuit. It is optimized for superb single-ended performance with super-clean and crisp output. The A30 Pro is equipped with 10xOPA1656 architecture along with UHGF(Ultra High Gain Feedback) technology maximizing the performance of the amplifier.

PowerHouse In Your Chain:-

The A30 Pro is an incredibly powerful headphone amplifier. It can power hard-to-drive headphones without any trouble. It outputs up to 6W at 16 ohms of load, 5.5W at 32 ohms, 840mW at 300 ohms, and 420mW at 600 ohms of the load. Huge output power and margin bring excellent control ability and drive all the demanding headphones with ease.

Three-Step Gain Switch:-

The Topping A30 Pro features a three-step gain switch with -14dB, 0dB, and +14dB gain modes. Users can use sensitive IEMs with the A30 Pro with its -14dB low-gain mode. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89530627768

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4.3 ★★★★★
Based on 24 reviews
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m0sfet
San Leandro, US
★★★★★ 5
If you own a diesel engine, use this.
Size: 128 fl. oz, 1 Pack
For diesel owners looking to protect their fuel system, Hot Shot's Secret Everyday Diesel Treatment (EDT) is a heavy hitter in the world of additives. This 1-gallon jug is designed for the long haul, treating up to 1,280 gallons of fuel, which makes it incredibly cost-effective for daily drivers and fleet owners alike. The primary draw here is the 7-point cetane boost, which noticeably smooths out rough idles and improves cold starts. Beyond performance, it serves as a critical insurance policy against modern "dry" Ultra-Low Sulfur Diesel (ULSD) by adding essential lubricity to the fuel pump and injectors. It also features a demulsifier to help separate water from the fuel, preventing corrosion before it starts. While the 1-gallon bottle is bulky and requires a smaller dispenser for easy pouring at the pump, the peace of mind and improved MPG make it a staple for maintaining a healthy engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
J
Verified Purchase
Jennifer Mazariegos
Omaha, US
★★★★★ 4
Great product
Size: 1 Count (Pack of 1)
I use it at every fill up. Works great
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Reviewed in the United States on April 8, 2026
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Verified Purchase
Donna Garrett
Charlottesville, US
★★★★★ 5
TDI Seems To Like This Stuff. A Must For US D2 Fuel.
Size: 1 Count (Pack of 1)
After purchasing our 2012 VW TDI diesel at 140K miles I started researching best practices to keep these little engines happy. What I read was that the US has some of the crappiest quality D2 diesel on the world stage. Even Canada's diesel is higher cetane and lubricity rated than the States not to even mention Europe which has WAY higher standards than us. The weak point of these TDI engines seems to be the high pressure fuel pump (HPFP) that is crank driven to enormous pressure for the injectors to to their thing. If these HPFP parts fail on common rail engines they can literally grenade and throw shards of metal everywhere within the downstream fuel system ensuring a VERY expensive repair if not destroying the engine altogether. The lubricating property of the fuel plays an important part in keeping these pumps working properly. There even seems to be some data supporting Canadian operated TDIs have fewer failure rates of the HPFP than stateside fueled vehicles although nothing had been officially published to my knowledge. Sulpher in the diesel had beneficial lubricating properties but was bad for the environment and subsequently removed from D2 by the EPA much like leaded gasoline of yesteryear. So the second tank I ran in my TDI was Hot Shot's EDT. I can't comment on the comparative difference as I ran this from almost day one. What I like is the claimed increased lubricity and cetane boost that is supposed to bring our crappy D2 up to reasonable levels the rest of the world enjoys. Fuel economy seems fine but playing with a low spun turbo and the subsequent torque is sometimes too irresistible to give fuel economy a fair chance. Besides, I need to blow out all that accumulated carbon :) I like the fact that the Hotshot's EDT seems more concentrated and affordable than the competition. 1oz for a tank is almost a performance treatment for my TDI. It's a negligible cost for a fill up and I hope they keep it that way. My dislike might be the one thing other people love about this product and that's the bottle. The bottle is meant to be squeezed to get the measured amount in the top fill area so measuring is easier. My concern is the filler neck is not long enough to cram into the filler to avoid spilling without a funnel and diesel doesn't do many favors to paint. My workaround was to save the empty bottles from other gasoline treatments and use a syringe to fill 1oz amounts of EDT and place in the trunk of the car in double plastic bags. Seems to work fine although the kitchen was probably not the best place to do this since it doesn't smell like flowers. Next purchase will likely be the bulk bottle. It's kind of a shame we actually need this kind of protection now since the US fuel standards are almost non-existent. Even B1 blended bio diesel would be a huge improvement in lubricity but not available where I live. Thanks Hotshot's...Good stuff!
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Reviewed in the United States on July 31, 2020
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SCOTT
Lake Worth, US
★★★★★ 5
Recommended by John. So far great additive for the CP4
Size: 16 Fl Oz (Pack of 2)
I have a ‘22 6.7 Powerstroke w/27k and pull heavy trailers in FLA. I’m worried about the (disco party). John I believe from the Ford Dealer in Hereford, Tx recommended this. I run 2 oz per fill and will see what happens. I’ve got Five fill ups on it now and seems to help responsiveness. Proof will be in the pudding. So far I’m pleased
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Reviewed in the United States on April 9, 2026
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Verified Purchase
ReevesRacing
Carnegie, US
★★★★★ 5
Quieter and more mpg in TDI
Size: 1 Count (Pack of 1)
Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.
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Reviewed in the United States on April 2, 2026

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