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The Fosi Audio PH04 is a 4-channel stereo headphone amplifier featuring independent amplifier sections and separate volume controls, allowing up to four people to use it simultaneously. The unit is ideal for studio use or any setting where its ultra-compact and portable design allows for the simultaneous use of multiple headphones. Input and output are via a 3.5mm jack to avoid the need for a 6.35mm adapter, whilst power is supplied via a 12V mains adapter.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Headphone amplifier |
| Input | 1x 3.5mm stereo jack |
| Outputs | 4x 3.5mm stereo jack |
| Input impedance | 100Ω |
| Output impedance | 80Ω |
| Max. input level | +15dB |
| Max. output level | 40mW @ 100Ω |
| General | |
|---|---|
| Power supply | 12V 1.5A |
| Dimensions | 103 x 57 x 43mm |
| Weight | 175g |
| Package | 1x Fosi Audio PH04 1x 12V 1.5A Power Adapter |