Description
The AM3D is a swappable amp module built for FiiO’s X7, X7ii, Q5, and Q5s players, and it holds a notable distinction: it was the first standalone amp module to earn THX Certification, and the first to run on THX’s AAA (Achromatic Audio Amplifier) topology.
What that means in practical terms is lower distortion at a given power supply than conventional amp designs typically achieve. Instead of trading off clarity for volume, THX AAA circuitry is engineered to deliver both simultaneously, so headphones that are usually hard to drive cleanly get a fuller, more accurate signal without added noise or coloration.
Because the AM3D is fully balanced, it’s suited to listeners who already run balanced headphone cables and want to extract more separation and control from that setup. Swapping it into a compatible X7, X7ii, Q5, or Q5s takes just a moment, letting you tune your portable rig’s sound character without buying a new DAP.
- THX AAA amplification technology
- Fully balanced output design
- THX Certified standalone amp module
- Compatible with FiiO X7, X7ii, Q5, and Q5s
- Swappable, tool-free installation
For anyone building out a portable studio monitoring or critical-listening setup, the AM3D offers a straightforward path to audiophile-grade output without redesigning your whole signal chain.
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