Fosi Audio P2 Headphone Amplifier
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Fosi Audio P2 Headphone Amplifier
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
We offer free worldwide shipping, except for certain regions such as Ukraine and Russia, where our services are currently unavailable.
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Customer Support
WhatsApp: +8613716612254
support@fosiaudio.com
Mon-Fri: 3:00 AM - 3:00 PM PST -
FAQ’s
If you have any questions, please refer here: FAQs
Product details
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Excellent sound performance: Low ground noise, built-in output protect 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.
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Stereo and Preamplify: Headphones amp also can be used as a stereo preamp, Parallel 3.5mm and RCA stereo inputs, 6.35mm headphone output, include a 6.35mm to 3.5mm adapter;
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High-performance: P2 is a Hi-Fi tube headphone amp, 2 X 6K4 J-Grade tubes can easily power high-performance headphones including the HD580, HD600, HD650, K701, K702, Q701, and many more, recommend 32-300ohm headphones
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Easy replace tube: Tubes can be replaced by JAN 5654W/6j1/6J4/GE5654/6AK5/6*1n/ E180F/6ж9П/EF861/6688 tubes etc
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Exquisite appearance: Small Compact Size, All aluminum alloy shell and come with an 18-month manufacturer's warranty.
Specifications
| Specifications | Details |
|---|---|
| Model | P2 |
| OP-Amp | NE5532 |
| Headphones Output | 16-64Ohm |
| Headphone Impedance | 32-600 Ω |
| Input Mode | 3.5mm Audio jack, Stereo L / R RCA |
| Frequency Range | 20Hz-20 kHz (± 3dB) |
| THD | ≤0, 03% |
| SNR | ≥ 95db |
| Input Sensitivity | 0.2mV |
| Device Dimension | L99 * W98 * H33 mm |
| Device Weight | 0.25 kg |
| Operating Voltage | DC12V |
What‘s in the box？
| Item | Quantity |
|---|---|
| P2 Headphone Amplifier | x 1 |
| 6J4 Vacuum Tubes | x 2 |
| DC 12V Power Supply | x 1 |
| 6.35mm to 3.5mm Adapter | x 1 |
| User’s Manual | x 1 |
Compare with similar items:
P1 Pro Bluetooth 5.0 Tube Preamplifier
P1 Vacuum Tube Pre-Amplifier
FAQs
Please read our FAQs page to find out more.
How to: Choose the right banana plug?
- Closed Screw Type. All Fosi amplifiers use standard-sized speaker terminals (4mm pins).
- Easy to wire up and solidly connect to amplifier and passive speaker.
- If they do not fit, use a little force to tighten the plugs.
- Fosi Audio Banana Plugs (Copper, Silver/Gold Plated): http://bit.ly/40Djq0U, https://bit.ly/3MkPL8t
- Please watch tutorial videos: https://youtu.be/6pYhoqDlvNw / https://youtu.be/RGvBgGAwS9k
How to Diagnose Power Supply Failure?
- The following situations may cause this issue
- Case 1: The LED on the power supply does not light up; Case 2: Amp/Preamp does not turn on; Case 3: When plugged into the Amp, both light on the amp & power supply start blinking; Case 4: Amp/Preamp make noise; Case 5: Sound shuts off by itself
- Possible solution
- Check if the power supply is illuminated when plugged into AC by itself.
Plug power supply into a different socket.
Test the adapter with a meter.
Try a different power supply (within a range of DC input).
Test the included power supply on other electrical equipment.
Please watch the tutorial video by clicking on the link provided. https://youtu.be/yCjygS03zTE
What are the differences in power outputs using the 32V and 48V power supplies?
- Using a more powerful power supply can help prevent distortion.
- Enables amplifier to drive larger, more powerful, or higher-impedance speakers.
What is a GaN?
- The GaN supply has a power output of 240W.
- Offers overload and over-temperature protection.
- The 48V 5A GaN power supply is also available on Amazon.