Topping A90 Discrete Balanced Headphone Amplifier & Pre-Amplifier - Open Box
Topping A90 Discrete Balanced Headphone Amplifier & Pre-Amplifier - Open Box
Amplifier type
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Translation missing: en.products.product.amplifier_type_info
Solid-state
Connectivity
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Connectivity refers to the method in which the headphones connect to the audio source. Headphones can be either wired or wireless.
Wired
Portability
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DACs and amplifiers can either be carried around or meant for static desktop use
Not Portable
Topping
Topping A90 Discrete Balanced Headphone Amplifier & Pre-Amplifier - Open Box
The Topping A90 Discrete Balanced Headphone Amplifier (A90D) is a direct upgrade over it's predecessor, the Topping A90. Featuring a number of quality of life improvements including a R2R volume relay, a remote control, a ground loop noise terminator switch, a 12V trigger interface, a redesigned UI, volume memorization, and more, the A90D is better in every way.
As its name suggests, the A90D uses fully discrete components in a complete redesign of the A90 NFCA module. Four discrete NFCA modules using 39 transistors each form the fully balanced amp architecture. The matched precision transistors ensure unparalleled distortion and noise performance.
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