Is the Fosi P2 worth it?

It is a good entry point if you want tube coloration without spending much. If you need high power or balanced output, look at a solid-state amp instead.

Does it work with high-impedance headphones?

Yes. Fosi rates it for 16 to 600 ohms, so 300 and 600 ohm dynamic headphones are within spec, though loudness depends on the source level.

Do I need a DAC with it?

Yes. The P2 has only analog RCA and 3.5mm inputs, so you need a DAC or a source with analog output.

Can I use it as a preamp for speakers?

Yes. It has a preamp output, so you can run it between a source and powered speakers or a power amp.

Expect the amp itself and a 12V DC power supply; check the listing, since bundle contents vary by seller.

Budget audio gear like this tends to dip during sales events and holiday promotions. Track its price history and buy below its recent average.

Where can I buy the Fosi Audio P2 Tube Headphone Amplifier?

2 stores we checked sell it, including eBay, Fosi Audio.

Fosi Audio P2 Tube Headphone Amplifier

Last price we saw

$49.99at Fosi Audio, last seen Oct 31

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Our take on the Fosi Audio P2 Tube Headphone Amplifier

The Fosi Audio P2 is a compact desktop tube headphone amplifier with a 6.35mm headphone output, RCA and 3.5mm inputs, and a preamp output. It uses a tube stage to add warmth to the sound and is rated for headphones from 16 to 600 ohms, so it covers both sensitive IEMs and high-impedance models. It is small (about 99 x 98 x 33 mm) and light at 0.25 kg, and runs on a 12V DC supply. No current price was provided, so check the latest best price against its recent range before buying.

Best forDesktop listeners who want tube warmth on a budgetOwners of high-impedance headphones (up to 600 ohms)