FiiO AM3D Amplifier Module Review


Product Specifications

4.4mm Balanced 3.5mm Single-ended
Output Power: ≥ 500mW (16Ω/THD+N<1%)
≥ 550 mW (32Ω/THD+N<1%)
≥ 60mW (300Ω/THD+N<1%)
≥ 280mW (16Ω/THD+N<1%)
≥ 150 mW (32Ω/THD+N<1%)
≥ 15mW (300Ω/THD+N<1%)
Frequency response: 5Hz – 75kHz (-3dB) 5Hz – 75kHz (-3dB)
Output impedance: <1.5Ω (32Ω loaded) <1.5Ω (32Ω loaded)
SNR: ≥120db (A-weighted) ≥116db (A-weighted)
Channel separation >110dB (1kHz) >75dB (1kHz)
THD+N: <0.0008% <0.0006%
Peak output voltage: 11.8Vp-p 6.2Vp-p
Max output current: >130mA >130mA
Driveability: 16-300Ω 16-150Ω
Noise floor: <5µV (A-Weighted) <4µV (A-Weighted)
Price: USD 179.99 (SGD 249)


Part 1: Introduction, Design and Build
Part 2: Sound Quality
Part 3: Product Specifications
Part 4: Review Ratings, Summary


    • While the original AM3A has its merits, the. AM3D provides a different aspect of sound quality, as shared in the review, the low noise level of the AM3D provided for a darker background allowing the THX amplifier circuit to do its magic. The module has been sold out many times over and the current batch is likely to be the last batch as shared by FiiO CEO James Chung.

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