SKU: 38751523759

TOPPING A900 Ultra-Flagship Headphone Amplifier

Sale price$539.55 Regular price$599.50
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Description

TOPPING A900 Ultra-Flagship Headphone AmplifierFeatures: >Ultimate Flagship Headphone Amplifier. >Six Channel Tang ku la Circuit. >Fully Differential Balanced Audio Circuitry. >Independent Pre Amp Function. >Immensely Powerful(22,000mW Per Channel). >Super Clean Performance with Ultra Low Distortion. >Fully Balanced Relay Volume Control. >New Benchmark for DNR, SNR Performance. >Full Range of Headphone Outputs. >2 Colorful Display Screen. >Touch Sensitive Buttons. >Premium Quality CNC Machined

Features:-

>Ultimate Flagship Headphone Amplifier.

>Six-Channel T’ang-ku-la Circuit.

>Fully Differential Balanced Audio Circuitry.

>Independent Pre-Amp Function.

>Immensely Powerful(22,000mW Per Channel).

>Super Clean Performance with Ultra-Low Distortion.

>Fully Balanced Relay Volume Control.

>New Benchmark for DNR, SNR Performance.

>Full-Range of Headphone Outputs.

>2” Colorful Display Screen.

>Touch Sensitive Buttons.

>Premium Quality CNC-Machined Remote Control.

>Isolated Power Supply Design.

>Perfect Pairing with Flagship D900 DAC.

Topping A900 is a powerhouse, a fully balanced desktop headphone amplifier that is designed to break all previous records. Whether it be about the best SNR, DNR performance, lowest THD+N performance, or most powerful headphone output, the Topping A900 is here to rule all these features in its favour. With a mighty 22,000mW per channel output at 16Ω impedance load, Topping A900 packs in all the juice any headphone on the planet requires. Featuring a six-channel T’ang-ku-la fully-differential balanced circuit, the A900 promises nothing short of extraordinary sonic excellence. It is a highly transparent and clean-sounding headphone amplifier which makes your headphones sing. Topping A900 supports different terminations featuring 4.4mm, 6.35mm, 4-pin XLR, and dual 3-pin XLR output ports. Users can configure the output to be independent or simultaneous from multiple outputs. Take your headphone performance to the ultimate level with the all-new Topping A900!!

Six-Channel T’ang-ku-la Amplification Circuit:-

Topping has equipped the A900 with an optimized six-channel T’ang-ku-la amplifier circuit. The T’ang-ku-la architecture adopts a new patented three-stage feedback circuit. It effectively reduces circuit noise and high-frequency distortion, resulting in clean and accurate sound reproduction. The Topping A900 achieves ground-breaking performance with a dynamic range of 151dB and a full-band THD+N(90kBW) of 0.00003%. Moreover, this new T’ang-ku-la circuit has lower circuit heat generation, enhances reliability, and improves durability. The three T’ang-ku-la modules form a six-channel fully differential balanced architecture.

Most Powerful Headphone Amplifier Out There:-

Topping A900 is not just any amplifier, it’s among the most powerful consumer available headphone amplifiers. The A900 gets an output power thrust of 22,000mW per channel at 16Ω of impedance load. Even at super heavy 600Ω impedance, the A900 throws out 750mW per channel, easily driving any headphone on the market. Simply pair your favourite set of cans here and enjoy them to their fullest potential with the mighty Topping A900.

A Full Range of Headphone Outputs:-

Topping A900 houses six physical output ports, fully supporting four mainstream headphone terminations. It features a 6.35mm single-ended port, a 4.4mm balanced connection port, two 4-pin XLR balanced connection ports, and dual 3-pin balanced output ports. Topping has featured premium-quality connectors from Neutrik and Pentaconn for a stable and reliable performance. Users can choose which output to work with; this can be configured for independent outputs or simultaneous multiple output connections.

Pre-Amp Function Support:-

Topping A900 supports pre-amp output as well, it offers a dedicated pure preamp mode. Even while put in Pre-Amp mode, the Topping A900 matches the headphone amplifier’s flagship-grade performance, achieving ultra-low THD+N(<0.000055%), making it a great partner for further devices in your desktop chain.

Classy, Exquisite Design:-

Topping A900 headphone amplifier features a classy industrial-grade design. The device has a clean, minimalistic appeal to itself with angular lines on the sides. It has a bold and appealing design. We also have a 2” colourful display screen with three touch-sensitive buttons on the front. This display can be customized with multiple UI options.

Fully Balanced Relay Volume Control:-

Topping A900 allows for precise volume control with 0.5dB adjustments thanks to its fully balanced relay-based volume control system. It reduces channel crosstalk to -153dB, ensuring clean and separated volume adjustment. With such precise volume adjustment possible, Users can experience full control in the output level with a smooth and refined control.

Isolated Power Supply:-

Topping A900 features an isolated power supply design. The digital processing circuit has a physically isolated power supply from the two analog amplification circuits. It ensures proper power delivery to different sections on the audio circuitry.

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: 38751523759

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4.6 ★★★★★
Based on 26 reviews
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Verified Purchase
Tyi Campbell
Grantham, US
★★★★★ 5
Great product and worth the money.
Size: 4 Panel-88'', Color: Black
Portable and stable. Perfect size and gives me the privacy I need when working from home. Stability is great as long as you place the stands correctly it won't wobble. I love it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
M
Verified Purchase
Mona T.
New York, US
★★★★★ 5
Attractive
Size: 4 Panel-88'', Color: Grey
The assembled product is just as described. The screens look great! I am using them to hide the cluttered shelving in my garage. The area now looks quite neat Something I must say, though, is that the assembly was extremely difficult. I had to use a silicone spray and some pounding to get the A and B poles to fit together. Also, it required a great deal of strength to stretch and hold the fabric panels so that the bars inserted in each hem lines up with the screws inserted in A/B poles. I strongly recommend having a partner to help with the assembly. while sc and screw into poles them once inserted intetchedtne end of each pole ( and B poles barely fit together. I used silicone spray on the end and then pounded them
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Reviewed in the United States on December 12, 2025
K
Verified Purchase
karine
Waukegan, US
★★★★★ 5
Works
Size: 3 Panel-102'', Color: Beige, Size: 3 Panel-102'', Color: Beige
It’s beige and not white. Once install - hard to disinstall. Need a drill to put it together
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Reviewed in the United States on May 4, 2026
R
Verified Purchase
ralversity
Massapequa, US
★★★★★ 3
Does the job, but assembling by yourself is a nightmare
Size: 4 Panel-88'', Color: Black
Does it do the job? Yes, although as others said there are small gaps but it's not a huge deal. The price is also good. But the reason I'm giving it a 3/5 is simply because the assembly for this was a complete nightmare. I honestly don't think I would recommend this to anyone unless they have another person to help them assemble it, because doing it by myself was terrible. I don't think I'd buy this again, I think I'd opt to just spend a bit more money and save myself the trouble personally.
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Reviewed in the United States on May 29, 2026
T
Verified Purchase
Talagand
Boise, US
★★★★★ 4
Reasonably adequate room divider
Size: 4 Panel-88'', Color: Beige
I'm reviewing this as I assemble it. Couple things: 1. I didn't expect as much assembly. I've ordered dividers before and they more-or-less came as one unit. Sometimes the panels needed screwing together. These require complete assembly and come largely as three rods: two make up vertical columns and snap together. Another one (called part "C") makes the horizontal columns and you have two of these per panel (one attaches to part "A" and the other part "B"). These parts are metal with a plastic shim. Using the wood screws to attach to part "C" is a real pain in the neck. There's not much holding the panel in place so it's a little tricky. One tactic I've found while I'm assembling that works for the initial connections from parts A and B to their respective "C" rods is to hold the screw in place with a screw driver and then rotating the rod around the screw. This will do a number on your hands if you aren't wearing gloves. This obviously doesn't work when completing the connection. Using a driller driver on this is really near impossible because there isn't anything you can use to secure it in place. You can use it on the first panel, but as it gets longer, it becomes increasingly difficult and because it isn't wood, it's really tight. I considered drilling larger pilot holes but since there are only 4x4=16 screws I need to screw in, I just decided to use my screw driver to complete it. 2. Also related to assembly. When completing the panels (attaching parts "A" and "B" to parts "C" that have the cloth cover on it), you have to be careful that when you tighten that side that it isn't loosening the other side. Because the pilot holes are so tight, you can end up rotating the rod, which rotates it in the same direction as looser on the original side. Having someone hold the "C" rod in place while you screw it in is probably the easiest approach. I didn't have a 2nd person, so I just had to keep flipping back and forth and tightening both sides as I screwed it in. Not the worlds biggest deal, but annoying nonetheless. 3. The way the instructions are written, they seem to suggest building this thing progressively; that is, you do panel 1, then 2, connect them together, then do 3 and connect it, etc. I took a different route that I suspect saved me quite a bit of trouble, and I assembled all four panels first and THEN connected everything together. 4. For the love of God make sure you check that the plastic tip is on the same side for every panel. Otherwise, you have to take one side apart again and reverse it. On the bright side, if this happens, you've essentially bored out the pilot holes to be the correct size... which is having me question if I shouldn't have just bored them out to the appropriate width in the first place. 5. Attaching all of the panels together is also an enormous pain in the ass unless you happen to have an 88" long elevated surface. Attaching the legs either requires you to elevate one side, which will invariably twist the inexplicably cheap material in the bottom connectors... or you can attach them sideways... or you can put this thing upright, having two people hold the panels in place while you use the allen wrench to tighten the bolts on the underside. None of those are particularly great options. NOW on to the utility itself. 1. The panels do let some light through (I didn't believe their advertising, and that was one of the reasons that I bought beige, is that I wanted it to not be too dark). They aren't transparent though, so it isn't that far off from their description. They functionally work great, and keep the mess of wires hidden and when I'm sitting at my desk, actually reflect quite a bit of light into my office. Great! 2. My wife has described these as "the most hideous piece of furniture ever conceived of by man." So it does not have spouse approval factor. Granted, she will seldom be in my office area, so that isn't the end of the world. 3. These are really hard to align in a way that doesn't look a little tacky. There are some plastic connectors but they don't do a bang up job of keeping these in place. Each panel is slightly tilted and it's... quite obvious. I may at some point make my own improvements to these to help make them more level. It's not a particularly expensive product so I wasn't expecting much so it's fine and I'm not going to ding them on the rating because of it. All said, would I buy this product again? Probably not. It's assembly was ~90 minutes which is about 75 minutes longer than I was anticipating spending on this (not including the 5 minute writeup that I'm doing here). But am I going to return it? Also no, if for no other reason I'd be just as annoyed taking it apart and putting it in the original box to return it.
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Reviewed in the United States on October 31, 2023

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