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Topping A900D Ultra Flagship Headphone Amplifier - Silver

Delivery usually 2 to 3 days

	Standard Items Usually bookshelf speakers* DPD	Medium Sized Items Usually TVs under 60" or £1000, and most floorstanding speakers* FEDEX	Large or Heavy Items Usually TVs over 60" or £1000, and heavy separates over 35kg* BJS (2-man delivery)	Pallet Sized Items Usually large/high-end floorstanding speakers or subs* PALLETFORCE
Standard Deliveries Order by 3pm Mon-Fri	Free next weekday delivery	Free 2 weekday delivery	Free 2 weekday, 2-man delivery	2 weekday kerbside delivery - £50 per item
Express Deliveries Order by 3pm Mon-Fri	Next weekday pre 10.30am £20 for up to 2 boxes + £5 per additional box Next weekday pre 12.30pm £15 for up to 2 boxes + £5 per additional box	Next weekday delivery - £20	X	X
Weekend Deliveries Order by 3pm Friday	£9 for the first box + £3 per additional box	X	X	X
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri See Postcode Exclusions Below	2 - 5 weekday remote service £20 for first 2 items + £9 per additional box 2 - 5 weekday off-shore service £30 for first 2 items + £9 per additional box	Unfortunately, delivery of these product types is not available to remote locations	Unfortunately, delivery of these product types is not available to remote locations	Unfortunately, delivery of these product types is not available to remote locations

*Not exclusive to only these product types. Product value, weight, and fragility can influence the courier service used.

The TOPPING A900 is a high-end headphone amplifier designed for music lovers who want the very best sound. It delivers huge power to easily drive any headphones, while keeping the sound clean, detailed, and natural. With a sleek design, colour display, and handy remote control, it’s both powerful and easy to use. The A900 also works as a premium preamp for home audio systems, making it a versatile choice for anyone seeking an outstanding listening experience.

A900

Optimized T'ang-ku-la Amplifier Architecture
The A900 features TOPPING's exclusive T'ang-ku-la amplifier architecture, utilizing a groundbreaking three-stage feedback circuit. This patented technology reduces circuit noise and high-frequency distortion, elevating the dynamic range to an extraordinary 151dB. The full-band THD is reduced to a record-breaking 0.00003%, delivering an exceptional audio experience. This innovation also minimizes circuit heat, improving the amplifier's reliability and service life while ensuring stable performance.

Massive Output Power
With an unparalleled output power of 22,000mW x 2 @ 16Ω, the A900 is engineered to drive even the most demanding headphones effortlessly. Whether you're using high-impedance or low-impedance headphones, this amplifier delivers a massive range of power, ensuring precise sound reproduction at all volumes.

Full-Link Differential Balanced Architecture
The A900 employs a six-channel, fully differential balanced architecture, maintaining pure signal integrity from source to output. This ensures unmatched clarity and separation, allowing you to hear every nuance in your music. With Neutrik connectors and multiple output options, it supports a wide range of professional and audiophile-grade headphones.

Precision Relay Volume Control
The A900's fully balanced relay volume control ensures a pure, distortion-free listening experience. With a channel crosstalk of -153dB and precise 0.5dB step volume adjustments, the A900 offers unparalleled sonic purity and control, making it ideal for audiophiles seeking the finest audio experience.

Preamp Functionality for Flagship Performance
The A900 doubles as a high-quality preamplifier with THD+N of <0.000055%. Its flagship-grade performance ensures it pairs seamlessly with power amplifiers to deliver exceptional fidelity, making it the perfect companion for your high-end audio setup.

Refined Design with Purpose
The A900's industrial design reflects its music-focused philosophy—clean, angular lines that convey both logic and emotion. Behind its striking exterior lies a powerful amplifier built for audiophiles who demand the best.

Responsive and Intuitive Control
With a 2-inch full-color display and touch-sensitive buttons, the A900 allows easy and intuitive control. Switch between different display modes, such as playback information, FFT spectrum, or VU meter, and customize the interface with 9 background color options to suit your aesthetic preferences.

Premium Remote Control
The A900 includes a premium remote control made from high-strength aluminum alloy, providing a refined user experience and precise control over your listening environment.

Isolated Power Supply for Enhanced Stability
The digital and analog circuits in the A900 are powered by isolated power supplies, ensuring more stable voltage and reducing interference. This design choice delivers reference-grade performance and cleaner sound reproduction.

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