Open Box (Excellent) Topping A90 Discrete Fully Discrete Balanced Headphone AMP Headphone Amplifier(Black)

Name: Open Box (Excellent) Topping A90 Discrete Fully Discrete Balanced Headphone AMP Headphone Amplifier(Black)
Brand: TopLine
SKU: 1007012658
Price: 450.00 USD
Availability: InStock

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$450.00

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About this item

Highlights

【Fully Discrete NFCA for Superior Sound】 – The TOPPING A90 Discrete features 4 NFCA-Discrete modules with 39 transistors each, ensuring high output, strong current, and low impedance for effortless headphone driving.
【Re-Optimized Circuit for Ultra-Low Noise】The TOPPING A70 Pro’s newly developed input stage boosts noise performance and input impedance (20kΩ) for better device compatibility, while the gain architecture minimizes noise at high gain settings.
【Ground Loop Noise Terminator】 – Use the GND/LIFT switch to eliminate ground loop noise. Set to GND by default, switch to LIFT if noise occurs for uninterrupted audio.
【Headphone Amp & Preamp in One】 – Functions as both, with 20Ω SE and 40Ω balanced output impedance, ensuring compatibility with various power amps.
【Expanded Inputs with Ext90】 – The A90 Discrete has XLR and RCA inputs but expands to 4 XLR and 2 RCA with the Ext90, plus a 12V Trigger for easy device sync.

Description

The A90 Discrete functions as both a high-performance headphone amp and preamp, with 20ohm SE and 40ohm balanced output impedance, supporting simultaneous or individual outputs. It includes a full-featured remote for convenience.

Dimensions (Overall): 2 inches (H) x 4 inches (W) x 4 inches (D)

Weight: 12 pounds

Electronics Condition: Manufacturer Refurbished

Number of audio inputs: 3

Number of channels: 2 speaker channels

Battery: No Battery Used

TCIN: 1007012658

UPC: 6974802511740

Origin: imported

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