Audio P2 Headphone Amplifier Vacuum Tube Headphone Amp Mini Hi-Fi Stereo Audio with Low Ground Noise Output Protection

Features:

• ❤Excellent sound performance: Low ground noise, built-in output protect 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.
• ❤Stereo and Preamplify: Headphones amp also can be used as stereo preamp, Parallel 3.5mm and RCA stereo inputs, 6.35mm headphone output, include a 6.35mm to 3.5mm adapter.
• ❤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 32-600ohm headphones.
• ❤Easy replace tube: Tubes can be replaced by 6j1/6J4/GE5654/6AK5/6*1n/ E180F/6ж9П/EF861/6688 tubes etc.
• ❤Exquisite appearance: Small Compact Size, All aluminum alloy shell and come with a 18-month manufacturer's warranty.

Details:

Specifications:

Tubes: 6K4 × 2

OP-amp: NE5532

Audio Input: 3.5mm Audio jack, Stereo L / R RCA

Audio Output: 6.35mm

Headphones Maxpower output: 600 mW / 62Ω, 900 MW / 32Ω, 1 W / 16Ω

Frequency range: 20Hz-20 kHz (± 3dB)

THD: ≤0, 03%

Matching headphone impedance: 32-600 Ω

NR: ≥ 95db

Operating voltage: DC12V

Input sensitivity: 0.2mV

Dimension: L99 * W98 * H33 mm

Net weight: 0.25 kg

Model direct replacement tube: 6j1, 6AK5, EF95, 5654, 403B etc.

Packing List:

1 * headphone amplifier

2 * 6J4 vacuum tubes

1 * DC 12V Power Supply

1 * 6.35mm to 3.5mm Adapter

Tips:

1. When you use this product for a long time,please do not touch it by your bare hand, it may hot,but please don't worry this is a normal phenomenon.)

2. Please plug the power supply after all the connection been done for safety;

3. We recommend using 32~600Ω headphones, while armature earphones and headphones that have low resistance and high sensitivity are not suitable.

4. For noise issue, please keep it away from devices like routers, mobile phones or something that may interfere in the audio signal.

5. Please make sure the tubes completely pushed into the device, incompletely connection will cause noise or poping sound.

Package Dimensions: 9.2 x 8.2 x 2.5 inches

Binding: Electronics

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