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Topping A90 Discrete Headphone Amplifier
$429
$599

Topping A90 Discrete Headphone Amplifier

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$429
$599
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The A90 Goes High Performance

The Topping A90D is a discrete headphone amplifier that delivers a clean, high-headroom approach to desktop amplification. The original A90 already brought a host of high-end features to the table with impressive, low-noise performance—and now, the “D” version of this classic amp comes with Topping’s rock-solid Discrete Nested Feedback Composite technology. That amounts to an improvement in total harmonic distortion and an impressive increase in output power for a richer, less-distorted experience. Under the hood, you’ll find a new ground loop noise terminator, 12-volt trigger interface, a 145-decibel dynamic range, and a host of I/O capabilities including 4-pin XLR and 4.4-millimeter balanced outputs as well as commensurate inputs on the front end—offering the ultimate engine to drive even your most finicky pair of headphones or IEMs.

Topping A90 Discrete Headphone Amplifier

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Specs

  • Topping
  • Discrete NFCA module architecture
  • Gain settings: Low and high
  • Output power: 9800 mW (x 2)
  • Output voltage: 49 Vpp (balanced), 25 Vpp (SE)
  • Output current: 5A (peak), 1.1A (continuous)
  • Output impedance: <0.1 ohm
  • THD+N: <0.000055%
  • Dynamic range: 145 dB
  • Outputs (front): 4-pin XL, 4.4 mm balanced, 6.35 mm SE
  • Outputs (back): Single-ended RCA, balanced XLR
  • Inputs: Balance XLR, single-ended RCA
  • Dimensions: 6.3 x 8.7 x 1.7 in (16 x 22.2 x 4.5 cm)

Included

  • Remote control
  • AC cable
  • 6.35 mm to 3.5 mm adaptor
  • Owner’s manual
Topping A90 Discrete Headphone Amplifier

Shipping

Estimated ship date is June 26, 2024 PT.

Payment will be collected at checkout. Cancellations are accepted up to 2 hours after checkout, after which all sales final.

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Can I hook my D50S or EX5 to the A90D to act as the DAC?
May 14, 2023
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Jun 18, 2024
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