Excellent Sound Performance: Low ground noise, built-in output protects the circuit, no buzzing or ringing noise, Audiophile-level sound quality, exclusively designed for the customers who pursue HiFi sound; and safe for your expensive headphones.
RCA and AUX Input: The compact amplifier will drive the signal from your music player via RCA or AUX input and increase both its volume and detail. There's a selector for you to switch the mode you want.
High-performance: The stereo preamp supports 16-300 ohms of headphones and comes with a 6.35mm to 3.5mm adapter. THD: ≤0.1%; SNR: ≥ 95db
Easily-swappable Tubes: The twin 6K4 tubes deliver the sound that makes an impact, and the amp can bring out the high-quality sound in most headphones. It can be replaced by 6j1/6J4/GE5654/6AK5/6*1n/ E180F/6ж9П/EF861/6688 tubes etc.
What You Get: P2 Tube Amplifier x1, 6K4 Tubes x2, 6.35mm to 3.5mm Adapter x1, power supply x1, user manual x1, our worry-free 24-month warranty, and friendly customer service.

Product Description

Fosi Audio Tube Amplifier Home Audio P2

For Home Theater Speaker Systems

1 Front Panel 2 Back Panel 3 Side Panel 4 Upper Panel 5 6K4 J-Grade Tubes

The Fosi Audio P2 headphone amplifier comes with a 6.35mm to 3.5mm adapter. It is suitable for a 3.5mm or 6.35mm headphone.

It is convenient for us to switch the RCA and AUX input via a selector. Multiple devices are allowed, such as smartphones, TV, computer, and so on.

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Customer Reviews	4.3 out of 5 stars 331	4.5 out of 5 stars 646	4.4 out of 5 stars 110	4.5 out of 5 stars 2,381	4.1 out of 5 stars 580	4.5 out of 5 stars 1,159	4.3 out of 5 stars 33
Price	$69.99$69.99	$59.48$59.48	$109.98$109.98	—	$71.98$71.98	$119.99$119.99	$139.99$139.99
Type	Headphone Amp +Preamp	Preamp	Preamp + Headphone Amp	Phono Preamp with Vacumm Tubes	Phono Preamp with Vacumm Tubes	Bluetooth Tube 2.0 CH Amp	Bluetooth Tube 2.1 CH Amp
Input	AUX + RCA	RCA	Bluetooth + RCA	RCA+3.5mm AUX	RCA+3.5mm AUX	Bluetooth + RCA	Bluetooth + 3.5mm AUX*2
Output	3.5 mm + 6.35 mm	RCA	RCA + 3.5mm Headphone + AUX	Active Speakers	RCA+3.5mm AUX	Passive Speakers + Headphone	Speakers + Sub + Headphone
Treble & Bass Control	✘	✔	✔	✘	✔	✔	✔
THD	≤ 0.03%	≤ 0.1%	≤ 0.02%	≤ 0.1%	≤ 0.1%	≤ 0.04%	≤ 0.1%
SNR	≥ 95dB	≥ 98dB	≥ 103dB	≥ 98dB	≥ 70dB	≥ 98dB	≥ 80dB
Power Adapter	12V/1.5A	12V/1A	12V/1.5A	12V/1A	12V/1A	24V/4.5A	-