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🎶 Elevate Every Beat — Portable Power Meets Pro-Grade Precision
The HiBy FC4 is a compact, portable headphone amplifier and DAC featuring dual ES9219 DAC chips and FPGA-based reclocking for superior sound fidelity. It supports ultra-high-resolution audio formats including PCM768kHz/32bit and native DSD256, plus MQA 16X decoding for studio-quality streaming. Delivering 340mW per channel at 32Ω, it drives a wide range of headphones with ease. Compatible with Android, iOS, Mac, and Windows 10+ via plug-and-play, the FC4 is a professional-grade audio upgrade for discerning listeners on the move.













| ASIN | B0B7Q3LJ9R |
| Best Sellers Rank | #90,191 in Electronics ( See Top 100 in Electronics ) #136 in Headphone Amps |
| Brand Name | HiBy |
| Customer Reviews | 4.3 4.3 out of 5 stars (322) |
| Included Components | USB Type A to Type C interconnect , Type-C to Type-C interconnect ,User manual |
| Item Dimensions | 20 millimeters |
| Item Weight | 22 Grams |
| Manufacturer | HiBy |
| Material Type | Metal |
| Maximum Output Power | 680mW |
| Model | FC4 |
| Number of Channels | 2 |
| Output Power | 340 Milliwatts |
| Part Number | FC4 |
| Unit Count | 1 Count |
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