Black HIFI Portable 3.5mm Stereo Earphone Audio Amplifier AMP For Mobile Phone

Description:
Are you still worried about this? Every time you listen to a song on your cell phone, the sound is stiff, dry and cold. Low frequency reduction is insufficient, listening is weak, audio output has digital flavor bias. From now on, you won't be troubled by these problems any more. This sound amplifier can help you solve all the sound problems. You deserve a try.

Features:
1. Mini HiFi power amplifier, delicate, small, portable and portable. Enhanced output, enjoy high definition. Enjoy the high level sound effects at all times.
2. Compatibility, specially designed for mobile phones, can also be used for car audio, outdoor speakers, etc.
3. Rechargeable lithium battery, it adopts 200mah capacity rechargeable lithium battery, can work for a long time.
4. You can improve the sound quality of your smartphone so that you can enjoy high definition pure stereo sound without losing the truth.
5. HIFI sound, noise reduction and dynamic enhanced distortion, perfect pure stereo effect, high definition music sound quality optimization.
6. The 3.5 mm AUX input and output, 95DB SNR and THD + N < 0.006%, not only can output louder voice, but also can output a clearer, more real stereo without distortion.
7. Eight sound improvement functions: Reduce the power consumption; Positive and negative dual power technology; Low resistance impedance matching circuit network; High and low frequency dynamic compensation tuning circuit network; Low distortion operational amplifier; No-output capacitance, ground plane reference output design; High efficiency charge and radiation suppression circuit; Low resistance power supply design.

Specifications:
Type: Cell Phone Amplifier
Material: Aluminium Alloy
Color: Black
Output Power: Maximum. 300 mw * 2/16 Ω
Frequency Response: 2 - 27 KHz
Signal-to-noise Ratio: 95 DB
Dynamic Range: 90 DB
Separation: 70 DB
Distortion: ≤ 0.006%
Input Impedance: 32Ω
Output Impedance: ≤ 200Ω
Working Temperature: - 40 °C - 60 °C
Storage Temperature: - 40 °C - 85 °C
Storage Humidity: 10% - 90%
Battery: Built-in lithium battery, 200mah (charged by Micro USB cable)
Battery Life: 30 hours (approximately)
Size: Approx. 68 * 25 * 10 mm / 2.7 * 1 * 0.4 inch (without wires)
Battery protection: Yes
Overcurrent protection: Yes
Overpressure protection: Yes
Short circuit protection: Yes
Package Weight: 53g

Package Include:
1 x HiFi Amplifier (excluding charging line)