SKU: 38751523759

TOPPING A900 Ultra-Flagship Headphone Amplifier

Sale price$539.55 Regular price$599.50
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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

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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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Kimberly
Birmingham, US
★★★★★ 5
Snagged a deal
Size: 7, Color: Redwood/Gum 10
I waited and waited to get these boots! I knew I was chancing it, but they went on sale, and I snagged them! I am a size 7, and they fit nicely with socks. a little loose, barefooted, but what psycho wears boots without socks? They are comfortable and really well-made.
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Reviewed in the United States on April 8, 2026
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ashlynnk
Birmingham, US
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days. The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
A
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Abby B
Massapequa, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026
E
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EE
Bozeman, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026
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Kate
Alexandria, US
★★★★★ 5
Super cute, comfortable, practical, love that they are slip on
Size: 10.5, Color: Tobacco/Black
I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days. Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.
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Reviewed in the United States on January 27, 2026

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