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The Fosi Audio PH04 is a compact, metal-built 4-channel headphone amplifier and splitter designed for professional and personal use. It supports headphones with impedances from 15 to 150 ohms, delivering up to 40mW per channel with independent volume controls. Ideal for studios, live streaming, or shared entertainment, it features ultra-low-noise op amps for high-fidelity sound and includes a 12V power adapter and a 24-month warranty.





| Package type | Standard Packaging |
| Style | In The Ear |
| Product Dimensions | 10.16 x 5.08 x 2.54 cm; 172.37 g |
| Item model number | PH04 |
| Connector | Stereo Audio, 3.5mm Jack |
| Material Type | Metal |
| Power Source | AC 110V-240V |
| Item Weight | 172 g |
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