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Thursday, February 25, 2021

FiiO AM3D Amplifier Module Review

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Goh Beng Yeow
Goh Beng Yeow, the Founder / Editor at Porta-Fi™, is a recipient of the IT Youth Award in Singapore. Twice nominated for EY Entrepreneur of the Year Awards, Beng Yeow has previously founded startups such as PDALive.com, Coded Pixels Consultants and was a Tech writer for TODAY, a national daily newspaper under MediaCorp. Since 2017, he has been writing, editing and producing commentaries, interviews, news and reviews on Porta-Fi™. In 2019, Beng Yeow was appointed Advisor to LHDC™, the industry's latest low latency and high-definition Bluetooth audio codec.

Product Specifications

4.4mm Balanced3.5mm 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-p6.2Vp-p
Max output current:>130mA>130mA
Driveability:16-300Ω16-150Ω
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

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2 COMMENTS

    • 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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