Topping - A900

Headphone Amplifier + Preamp

Sale price₹ 119,999
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Talk to a Headphone Guru

1. What is a Pre-Order product?
A Pre-order product is a product that we especially order for you from the brand. Once you place an order with us, we will order it from the brand for you.

2. How do I know when the product will be delivered?
There is a rough timeline on the product availability and once it has been confirmed with the brand, we will inform you.

3. Do you order the product from the brand as soon as I place the order?
We do not immediately order the product but add it in the upcoming order.

4. Will you be giving me updates?
Once we have ordered the product and have a confirmed timeline, we will give you an update.

5. I’d like to make changes to/cancel my order?
You can only cancel/make changes to your order until we place the order with the brand. Since the product is specifically being ordered for you, we will be unable to cancel/make changes once we order the product from the brand.

Defective? Tell us within 7 days. We'll take care of it.

Something wrong with your product? We'll sort it out.

Wrong product, damaged, or missing parts: Let us know within 24 hours of delivery. If it's just an accessory, we'll replace the accessory.

What we'll need:

- Product in original packaging with all accessories

- Unboxing video and images of the parcel


This helps us see what went wrong and move faster.

Manufacturing defect: Let us know within 7 days of delivery. We'll replace or refund.

The process:
1. Raise a request - you'll get a RET number and hear from us by the next working day.
2. Once approved, we arrange pickup.
3. We inspect the product (2-3 working days).
4. Replacement shipped or store credit or refund issued.

A replacement or refund will be issued if:

- The product is found to be defective

- It wasn't damaged while in your possession-

- The same product is returned in original condition - box, MRP tag, manual, warranty card, all accessories



READ THE FULL REPLACEMENT POLICY
1 Year warranty included. You're covered.

This Topping - A900 comes with a 1 Year manufacturer's warranty from TOPPING, covering manufacturing defects.

Every product on Headphone Zone is backed by an original manufacturer's warranty.

Need support? Start with us. We handle most brands' warranty claims directly, and for the rest, we'll help you connect with the brand.

Read about TOPPING's Warranty
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Why Topping is Special

🇨🇳

Designed in China

🎖️ Established & Reputed

Trust us, our reputation speaks for itself 🏆!


We believe that when a brand has decades of proven excellence, you can invest with confidence knowing your purchase is backed by years of audio engineering expertise. These products come from manufacturers with extensive histories of innovation and unwavering commitment to sonic excellence. Think of them like luxury watch brands their reputation has been earned through decades of consistent quality and innovation.


With their extensive history of innovation and countless satisfied customers worldwide, you can be confident your investment is backed by proven audio engineering expertise and industry leadership 📈.


When you see "🎖️ Established & Reputed" products, expect time tested excellence from manufacturers who've consistently demonstrated mastery in audio engineering for generations.

🙌🏻 Revered by Audiophiles

Audiophiles can be really picky 😤, and if the audiophile community says something sounds good, you can bet it's exceptional! We believe that earning audiophile reverence is like getting a standing ovation from music critics it doesn't happen unless you've truly achieved something special. This audio gear has earned widespread acclaim from audiophiles worldwide, a community renowned for exacting standards and unwavering commitment to high fidelity reproduction.


These discerning enthusiasts particularly value its extraordinary precision in sound reproduction and remarkable capability to create thoroughly immersive listening experiences. The audiophile community's endorsement carries significant weight because of their extensive experience with high end equipment 🏆.


When you see "🙌🏻 Revered by Audiophiles" products, expect audiophile grade excellence that satisfies even the most demanding listeners and consistently exceeds the highest standards.

🌟 Specialist

A masterpiece from experts who know audio inside and out 🔧!


We tend to describe specialist manufacturers as "audio artisans" who focus exclusively on perfecting specific categories of equipment. These products are meticulously crafted by dedicated experts who possess deep knowledge of sound reproduction, ensuring every technical aspect is refined to perfection. Think of them like master craftsmen who spend their entire careers perfecting one specific skill their focused expertise shows in every detail.


These dedicated experts bring years of specialised knowledge to the design process, resulting in products that consistently achieve exceptional performance standards through focused engineering excellence 🎯.


When you see "🌟 Specialist" products, expect focused expertise from manufacturers who dedicate their entire efforts to perfecting specific audio equipment categories.

Why we love this DAC/Amp

💎 Premium Economy

Sensible spending meets sophisticated quality in perfect harmony 💫.


We tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.


When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry level and high end offerings, delivering impressive clarity and features at accessible price points.


🦈 Serious Audiophiles Only

For those who have ventured deep into high fidelity audio 🎯, the pursuit of sonic excellence becomes an endless journey of discovery and refinement. We believe that serious audiophiles demand equipment that can satisfy the most exacting standards and deliver performance that pushes boundaries. These products represent the pinnacle of acoustic engineering, incorporating advanced technologies and meticulous craftsmanship that enable them to reproduce music with utmost fidelity.


Each product has undergone rigorous evaluation to ensure it delivers exceptional performance that discerning listeners demand, from precise frequency response to impeccable detail retrieval and sophisticated sound staging. These devices incorporate premium components and engineering excellence that justify their position at the apex of audio performance.


When you encounter "🦈 Serious Audiophiles Only" products, expect uncompromising performance that satisfies the most demanding requirements and elevates critical listening to new heights.

🏠 For Audiophiles at Home

We’ve always loved the ritual of coming home, settling into my favourite chair, and firing up a dedicated setup. Gear labelled For Audiophiles at Home is made for those moments when you can really sit back and appreciate music in its purest form 🛋️. These products tend to be more powerful, larger, and often require wall power perfect for a stationary rig.


Here’s the trade off: these setups often involve external DACs, amps, or full size headphones, which means more space, more power, but also more immersive listening. They shine when used in quiet environments, where detail, depth, and dynamics can truly be appreciated.


When you see '🏠 For Audiophiles at Home' products, expect: exceptional fidelity, stronger output, and the kind of soundstage that makes you never want to leave your listening chair.

🔗 Connect With Cable

In our experience, there’s still nothing like the dependability of a wired connection when it comes to audio 🎧. We love describing it as the direct flight of music no delays, no turbulence. When a product says “Connect with Cable,” it means you’re getting the most reliable signal path, with zero wireless compression and minimal interference.


Here’s what’s actually happening: a physical cable transmits uncompressed analog or digital signals directly from your source to your gear. This results in lower latency, no signal drops, and consistently better sound especially when paired with a good DAC or amp. It’s ideal for critical listening, gaming, and professional use. The trade off? You’re tethered but for a lot of audiophiles, that’s a small price to pay for sonic purity.


When you see '🔗 Connect With Cable' products, expect: pure, uninterrupted sound quality that lets your gear perform at its full potential perfect for focused, high fidelity listening.

🪖 Built like a Tank

Durability concerns? Rest assured 💪.


We tend to describe these products as audio equipment that's built to survive anything you can throw at them. These headphones incorporate high grade metal components and reinforced design elements that ensure they can handle demanding conditions while maintaining structural integrity. Think of them as the military grade vehicles of the audio world over engineered for reliability and built to last decades, not just years.


The metal construction provides exceptional strength and longevity while contributing to a premium feel that serious audio enthusiasts appreciate. Whether you're a professional who needs reliable daily use equipment or someone who values long term investment in audio gear 🏗️.


When you encounter "🪖 Built like a Tank" products, expect unmatched robustness and durability you can count on for years of intensive use.


Why it Sounds Amazing

🚀 Power Output

We like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


⚖️ Balanced Output

We often say balanced output is like using both hands to carry something heavy it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high end DACs, amps, or studio grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must have if you’re chasing that ultra clean signal path.


Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output especially when paired with balanced headphones. The trade off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


When you see '⚖️ Balanced Output' products, expect: ultra low noise, more headroom, and better synergy with high impedance headphones or sensitive IEMs ideal for serious listening setups.

Topping Presents Hi-Fi Headphone Amplifier - The A900, An Upgrade To Your Audio Setup

Topping introduces the A900, an ultra-flagship headphone amplifier, born from a relentless pursuit of pure sound. Its refined industrial design reflects Topping's music-first philosophy, clean, angular lines that symbolise precision, balance, and harmony. Bold yet understated, it mirrors a perfectly composed score where structure meets emotion. Inside, the A900 adopts the advanced T’ang-ku-la amplifier architecture with record-breaking 151dB dynamic range and ultra-low 0.00003% THD, paired with a fully balanced relay volume control, isolated power supply, versatile connectivity, and up to 22,000mW output. Designed for both headphones and preamp use, it pairs seamlessly with the flagship D900 DAC to form a true reference-grade system, effortlessly powerful, meticulously refined and always letting the music take centre stage.

Features Optimised T’ang-ku-la Amplifier Architecture For Exceptional Performance

Topping A900 adopts the advanced T’ang-ku-la amplifier architecture with a patented three-stage feedback circuit. This design reduces circuit noise and high-frequency distortion, pushing the dynamic range to a record-breaking 151dB and full-band THD (90kBW) down to an ultra-low 0.00003%. It also minimises heat generation, improving long-term reliability while lowering thermal noise. With three T’ang-ku-la modules forming a 6-channel fully differential balanced design, the A900 maintains true full-link balanced amplification and delivers up to 22,000mW (@160) of powerful output.

Equipped With Fully Balanced Relay Volume Control For Precise Audio

Topping A900 features a fully balanced relay-based volume control system, achieving channel crosstalk as low as -153dB. This ensures pure, transparent sound reproduction with lifelike vocals and intricate instrumental details. Its precise 0.5dB step adjustments allow for smooth, nuanced control, offering a refined and comfortable listening experience at every level.

Seamless & Audiophile-Grade Connectivity For Professional Sound

Topping A900 is equipped with premium Neutrik connectors on the rear panel, providing three sets of stereo combo balanced inputs for maximum compatibility with professional audio equipment. On the output side, it supports six headphone ports across four mainstream connection standards – 6.35mm single-ended, 4.4mm balanced, 4-pin XLR, and dual 3-pin XLR using high-quality connectors from Neutrik and Japan’s NDICS Pentaconn. Outputs can be configured independently or simultaneously, making it versatile for audiophiles and studio users alike.

Extended Usability With Pure Preamp Mode For High-Fidelity Audio

Topping A900 includes high-quality preamp outputs and a dedicated pure preamp mode. With THD+N < 0.000055%, it achieves flagship-level transparency, making it an ideal partner for power amplifiers and speaker setups that demand uncompromising fidelity.

Features Optimised T’ang-ku-la Amplifier Architecture For Exceptional Performance

Topping A900 adopts the advanced T’ang-ku-la amplifier architecture with a patented three-stage feedback circuit. This design reduces circuit noise and high-frequency distortion, pushing the dynamic range to a record-breaking 151dB and full-band THD (90kBW) down to an ultra-low 0.00003%. It also minimises heat generation, improving long-term reliability while lowering thermal noise. With three T’ang-ku-la modules forming a 6-channel fully differential balanced design, the A900 maintains true full-link balanced amplification and delivers up to 22,000mW (@160) of powerful output.

Equipped With Fully Balanced Relay Volume Control For Precise Audio

Topping A900 features a fully balanced relay-based volume control system, achieving channel crosstalk as low as -153dB. This ensures pure, transparent sound reproduction with lifelike vocals and intricate instrumental details. Its precise 0.5dB step adjustments allow for smooth, nuanced control, offering a refined and comfortable listening experience at every level.

Seamless & Audiophile-Grade Connectivity For Professional Sound

Topping A900 is equipped with premium Neutrik connectors on the rear panel, providing three sets of stereo combo balanced inputs for maximum compatibility with professional audio equipment. On the output side, it supports six headphone ports across four mainstream connection standards – 6.35mm single-ended, 4.4mm balanced, 4-pin XLR, and dual 3-pin XLR using high-quality connectors from Neutrik and Japan’s NDICS Pentaconn. Outputs can be configured independently or simultaneously, making it versatile for audiophiles and studio users alike.

Extended Usability With Pure Preamp Mode For High-Fidelity Audio

Topping A900 includes high-quality preamp outputs and a dedicated pure preamp mode. With THD+N < 0.000055%, it achieves flagship-level transparency, making it an ideal partner for power amplifiers and speaker setups that demand uncompromising fidelity.

Embeds Isolated Power Supply For Lossless & Clean Audio Output

Topping A900 employs a physically isolated power supply design, separating the digital processing circuit from the two analogue amplification circuits. This reduces interference, ensuring stable, reference-grade voltage for uncompromised audio performance.

Fused With Responsive Control Interface & Comes With A Premium Remote Control

Topping A900 features a 2-inch full-colour display that provides real-time playback information, FFT spectrum, or VU meter views. The intuitive interface combines three touch-sensitive buttons with a multifunction volume knob for precise adjustments. Users can personalise the interface with 9 background colours, tailoring both function and aesthetics to their preference. It includes a premium remote crafted from a single block of high-strength aluminium alloy using CNC machining, followed by fine sandblasting for a refined look and feel. It offers convenient control without compromising build quality.

Crafted With Premium Materials Featuring Angular Lines For An Aesthetic Look

Topping A900 features clean, angular lines that go beyond structure, reflecting a deeper sense of aesthetic order. Bold yet restrained, like notes in a precise composition, its design balances logic and emotion. Beneath the sleek exterior lies a refined sound for an exceptional experience.

Pair With Topping's Flagship DAC D900 For An Upgraded Performance

Topping A900 pairs seamlessly with Topping's ultra-flagship DAC, the D900, creating a reference-grade DAC & amp combo. With extensive input/output options and hi-end-level acoustics, this setup delivers both fun and uncompromising performance for the discerning listener.

Embeds Isolated Power Supply For Lossless & Clean Audio Output

Topping A900 employs a physically isolated power supply design, separating the digital processing circuit from the two analogue amplification circuits. This reduces interference, ensuring stable, reference-grade voltage for uncompromised audio performance.

Fused With Responsive Control Interface & Comes With A Premium Remote Control

Topping A900 features a 2-inch full-colour display that provides real-time playback information, FFT spectrum, or VU meter views. The intuitive interface combines three touch-sensitive buttons with a multifunction volume knob for precise adjustments. Users can personalise the interface with 9 background colours, tailoring both function and aesthetics to their preference. It includes a premium remote crafted from a single block of high-strength aluminium alloy using CNC machining, followed by fine sandblasting for a refined look and feel. It offers convenient control without compromising build quality.

Crafted With Premium Materials Featuring Angular Lines For An Aesthetic Look

Topping A900 features clean, angular lines that go beyond structure, reflecting a deeper sense of aesthetic order. Bold yet restrained, like notes in a precise composition, its design balances logic and emotion. Beneath the sleek exterior lies a refined sound for an exceptional experience.

Pair With Topping's Flagship DAC D900 For An Upgraded Performance

Topping A900 pairs seamlessly with Topping's ultra-flagship DAC, the D900, creating a reference-grade DAC & amp combo. With extensive input/output options and hi-end-level acoustics, this setup delivers both fun and uncompromising performance for the discerning listener.

Multifunctional Knob

Topping A900 features a multifunctional knob that allows you to control the device seamlessly.

2-inch Display

Topping A900 embeds a 2-inch display that displays the playback details.

Headphone Outputs

Topping A900 features 4.4mm, 4-pin XLR & XLR + 6.35mm TRS headphone output for easy pairing.

Accessories to Get you Started

1. Remote Control
2. 6.35mm to 3.5mm Adaptor AC Cable
3. Quick Start Guide
4. Product Information Card


All You Need To Know About The Topping A900

Headphone Output
4.4mm (Balanced)
4-PIN XLR (Balanced)
6.35mm (Single-Ended)
Input
XLR+6.35mm TRS Combo
Output
XLR
Amplifier Specifications (BAL IN/SE OUT)
THD+N @1kHz A-wt :
<0.000060% @Output=500mW (32 Ω)
<0.000055% @Output=80mW (300 Ω)
THD @20-20kHz 90kBW :
<0.000060% @Output=500mW (32 Ω)
<0.000055% @Output=80mW (300 Ω)
SNR @MAX OUT 1kHz A-wt : 143dB
Dynamic Range @1kHz A-wt : 143dB
Frequency Response :
20Hz-40kHz (+0.05dB)
10Hz-200kHz (+0.1dB)
Output Level :
30 Vpp @G=L
30 Vpp @G=M
30 Vpp @G=H
AP Measured Noise Level A-wt :
<0.7uVrms @G=L
<0.9uVmms @G-M
<1.5uVrms @G=H
Actual Noise Level @A-wt :
<0.3uVrms @G=L
<0.7uVmms @G=M
<1.4uVrms @G=H
Channel Crosstalk @1kHz : -105dB
Input Sensitivity :
22.0Vms @G=L
7.0Vrms @G=M
2.1Vmms @G=H
Gain :
-6.1dB @G-L
+4.3dB @G=M
+13.8dB @G=H
Output Impedance : <0.1 Ω
Output Power :
6000mW x 2 @16Ω THD+N<0.1%
3000mW x 2 @32Ω THD+N<0.1%
1550mW x 2 @64Ω THD+N<0.1%
660mW x 2 @150Ω THD+N<0.1%
330mW x 2 @300Ω THD+N<0.1%
165mW x 2 @600Ω THD+N<0.1%
Adapter Impedance : >8Ω
Amplifier Specifications (BAL IN/BAL OUT)
THD+N @1kHz A-wt :
<0.000060% @Output=500mW (32 Ω)
<0.000055% @Output=80mW (300 Ω)
THD @20-20kHz 90kBW :
<0.00004% @Output=500mW (32 Ω)
<0.00003% @Output=80mW (300 Ω)
SNR @MAX OUT 1kHz A-wt : 151dB
Dynamic Range @1kHz A-wt : 151dB
Frequency Response :
20Hz-40kHz (+0.05dB)
10Hz-200kHz (+0.1dB)
Output Level :
60Vpp @G-L
60Vpp @G=M
60Vpp @G=H
AP Measured Noise Level A-wt :
<0.7uVrms @G=L
<1.2uVrms @G=M
<2.5uVrms @G=H
Actual Noise Level @A-wt :
<0.3uVrms @G=L
<1.OuVrms @G=M
<2.3uVrms @G=H
Channel Crosstalk @1kHz : -153dB
Input Sensitivity :
22.0Vrms @G-L
7.0Vrms @G=M
2.1Vrms @G=H
Gain :
-0.1dB @G=L
+10.3dB @G=M
+19.8dB @G=H
Output Impedance : < 0.1Ω
Output Power :
22000mW x 2 @16Ω THD+N<0.1%
14000mW x 2 @32Ω THD+N<0.1%
7000mW x 2 @64Ω THD+N<0.1%
3000mW x 2 @150Ω THD+N<0.1%
1500mW x 2 @300Ω THD+N<0.1%
750mW x 2 @600Ω THD+N<0.1%
Adapter Impedance : >8Ω
Pre-Amplifier Specifications
THD+N @1kHz A-wt :
<0.000055%
THD @20-20kHz 90kBW : <0.00003%
SNR @MAX OUT 1kHz A-wt : 151dB
Dynamic Range @1kHz A-wt : 151dB
Frequency Response :
20Hz-40kHz (+0.05dB)
20Hz-200kHz (+0.1dB)
Output Level :
60Vpp @G-L
60Vpp @G=M
60Vpp @G=H
AP Measured Noise Level A-wt :
<0.7uVrms @G=L
<1.2uVrms @G=M
<2.5uVrms @G=H
Actual Noise Level @A-wt :
<0.3uVrms @G=L
<1.OuVrms @G=M
<2.3uVrms @G=H
Channel Crosstalk @1kHz : -153dB
Input Sensitivity :
22.0Vrms @G-L
7.0Vrms @G=M
2.1Vrms @G=H
Gain :
-0.1dB @G=L
+10.3dB @G=M
+19.8dB @G=H
Output Impedance : < 100Ω


1 Year Warranty

Don't sweat it, this Topping - A900 comes with a 1 Year warranty on the Amp/DAC and 6 months on the battery from TOPPING that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about TOPPING's warranty in India.

The Audiophile's Choice For Precision and Accuracy

TOPPING, founded in 2008 and headquartered in Guangzhou, China, is dedicated to creating immersive Hi-Fi experiences with superior performance. Emphasizing research and development (R&D), TOPPING invests in a dedicated department of senior engineers and audiophiles, employing professional audio instruments like the premium audio testers APx555 and APx555B from Audio Precision. Each product undergoes rigorous testing to ensure exceptional parameters and performance, followed by meticulous adjustments for optimal sound quality.

Renowned worldwide, TOPPING's lineup includes products like the A90, D90, A70, and D70 with their DACs and amps being favourites among audiophiles globally. Committed to pushing the boundaries of quality, TOPPING remains true to its mission of delivering unparalleled Hi-Fi experiences.

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Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Friday: 11am-6pm.Average answer time: 2-3 Hours

Other Details


Generic Name Headphone Amplifier
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Net Quantity 1
Manufacturer Details Name: Tok Shun Co., Limited
Address: 1318-19, 13/F, Hollywood Plaza, 610 Nathan Road, HK.
Package Contents Topping A900
Remote Control
6.35mm to 3.5mm Adaptor AC Cable
Quick Start Guide
Product Information Card

Manuals & Guides



User Manual | A900

Headphone Amplifier + Preamp



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