Topping A900 Ultra-Flagship Headphone Amplifier
Topping D900 DAC – Flagship Discrete PSRM DAC & Preamp
Topping A900 Ultra-Flagship Headphone Amplifier
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TOPPING-900 Ensemble

SPECIAL ORDER Item is ordered on Demand and may take longer than our usual 3 - 5 working days to arrive.
$3,271.00 USD
$3,442.00 USD
$3,271.00 USD
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Topping A900 Ultra-Flagship Headphone Amplifier

TOPPING-900 Ensemble

$3,442.00 $3,271.00

TOPPING-900 Ensemble

$3,442.00 $3,271.00
TOPPING-900 Ensemble
TOPPING-900 Ensemble

The TOPPING‑900 Ensemble is your all-in-one gateway to sonic perfection. Inside this elite audio trio, the D900 DAC breathes life into digital sources with pristine clarity, while the A900 amplifier unleashes power and nuance with surgical precision. The included Flow XLR cable ensures that every connection is as refined as the sound it carries. Sleek, powerful, and ready to perform—this is the system your ears have been waiting for

🎛️ Bundle Components & Key Specifications

1. TOPPING D900 DAC

  • Architecture: Fully discrete 1-bit PSRM DAC

  • I/V Conversion: Proprietary self-developed circuitry

  • Performance:

    • SNR / DNR: 131 dB

    • Ultra-low jitter: –157 dB

    • THD+N: < 0.000055%

  • EQ & Interface: 10-band parametric EQ, desktop software support, full-color Aurora UI display

  • Connectivity:

    • Inputs: USB-C, USB-B, optical, coaxial, Bluetooth 5.1 (LDAC, aptX HD), AES, IIS-LVDS

    • Outputs: XLR balanced preamp & line out

  • Extras: Pre-amp mode with volume memory, 12 V trigger in/out, aluminum remote control

2. TOPPING A900 Ultra-Flagship Headphone Amplifier

  • Circuitry: Six-channel fully balanced amplifier with patented three-stage feedback

  • Power & Output:

    • 22,000 mW × 2 into 16 Ω

    • Supports independent or simultaneous outputs across six headphone jacks (6.35 mm, 4.4 mm, 4-pin XLR, dual 3-pin XLR)

  • Performance:

    • THD+N: < 0.00003% (across 90 kHz band)

    • SNR / DNR: up to 151 dB

  • Volume & Interface: Relay-based volume control (0.5 dB steps), full-color display with customizable modes/colors

  • Extras: Preamp mode with balanced XLR output, premium Neutrik & Pentaconn connectors, isolated analog/digital power supplies, aluminum remote control

3. Flow XLR Cable

  • Conductor: Japanese copper, 4-core audio wire

  • Shielding: Copper lattice braid (94% density) to minimize EM interference

  • Construction: Each core uses 60 strands of 0.08 mm copper wire; terminated with high-quality connectors


🎯 Why Choose This Ensemble?

  • Synergistic Performance: The D900 DAC's pristine decoding pairs seamlessly with the A900 amplifier's robust power, delivering an immersive audio experience.

  • Comprehensive Connectivity: With support for various digital inputs and multiple headphone outputs, this ensemble caters to diverse audio setups.

  • Exceptional Build Quality: Premium components and meticulous engineering ensure durability and longevity.

  • User-Centric Features: Intuitive interfaces, customizable settings, and remote control functionality enhance user experience.

Component Specification Details
D900 DAC Architecture Fully discrete 1-bit PSRM DAC
I/V Conversion Proprietary self-developed circuitry
SNR / DNR 131 dB
Ultra-low Jitter –157 dB
THD+N < 0.000055%
EQ & Interface 10-band parametric EQ, desktop software support, full-color Aurora UI display
Inputs USB-C, USB-B, optical, coaxial, Bluetooth 5.1 (LDAC, aptX HD), AES, IIS-LVDS
Outputs XLR balanced preamp & line out
Extras Pre-amp mode with volume memory, 12 V trigger in/out, aluminum remote control
A900 Amplifier Circuitry Six-channel fully balanced amplifier with patented three-stage feedback
Power & Output 22,000 mW × 2 into 16 Ω; supports independent or simultaneous outputs across six headphone jacks (6.35 mm, 4.4 mm, 4-pin XLR, dual 3-pin XLR)
THD+N < 0.00003% (across 90 kHz band)
SNR / DNR Up to 151 dB
Volume & Interface Relay-based volume control (0.5 dB steps), full-color display with customizable modes/colors
Preamp Mode Balanced XLR output
Connectors Premium Neutrik & Pentaconn connectors
Power Supply Isolated analog/digital power supplies
Extras Aluminum remote control
Topping 25cm XLR Cable Conductor Japanese copper, 4-core audio wire
Shielding Copper lattice braid (94% density) to minimize EM interference
Construction Each core uses 60 strands of 0.08 mm copper wire; terminated with high-quality connectors

In the Box

  • TOPPING D900 DAC
  • TOPPING A900 Headphone Amplifier
  • Topping 25cm XLR Cable
  • Power cables for DAC and Amplifier
  • Aluminum remote controls for DAC and Amplifier
  • User manuals and quick start guides
Delivery & Returns Information

Item Ships from our UK Warehouse - Typical delivery is 3 - 5 business days for mainland UK. OTIC can be contacted for updates.

Free shipping on all baskets over £250.

We offer a refund on any unused items, subject to our returns policy.

Click here to view all delivery & returns info - including shipping, tax, and duty information for International Customers.

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SPECIAL ORDER Item is ordered on Demand and may take longer than our usual 3 - 5 working days to arrive.
Secure Checkout
Easy Returns
Fast Delivery
Price Match
Pay in 3 Interest-free payments on purchases from £30 - £2000

Frequently Asked Questions

The bundle includes the D900 DAC, the A900 headphone amplifier, and a Topping 25cm XLR Cable.

The A900 supports most headphones, including models with 6.35 mm, 4.4 mm, 4-pin XLR, or 3-pin XLR connectors.

Yes, the D900 DAC supports Bluetooth 5.1, including LDAC and aptX HD codecs.

Yes, the DAC has a pre-amp mode with volume memory and balanced XLR outputs.

Warranty depends on the retailer, but typically the DAC, amplifier, and cables come with a 1–2 year manufacturer warranty.

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