HIFI Headphone Mini Power Amplifier Standard Version Of Cellphone Earphone Preamplifier

Description:
This HIFI is light and portable, you can enjoy music anytime and anywhere. High fidelity and noise reduction features provide you with excellent sound quality. In addition, the battery lasts more than 22 hours and can last a full day after 10 minutes of charging. Intelligent control chip, energy-saving and low power consumption design.  With this earphone amplifier, you can enjoy the super comfortable and relaxed music world.

Features:
1. Higher thrust (music output power). Frequency dynamic compensation technology (ultra-low tone version). Enhanced power supply decoupling circuit design, better transient response.
2. Automatic audio detection, ultra-low power consumption. Low distortion operational amplifier. Quick charge and radiation suppression.
3. Positive and negative double power supply and charge pump boost technology. Low impedance matching circuit, network. Low internal resistance power supply.
4. Hardware noise reduction design, can effectively inhibit external interference, (for the former design of poor mobile phone greatly improved.
5. Butterworth dynamic high-bass automatic tuning network, increasing the density and gain of high and low frequency sound. Vibrant, dynamic, low frequency mellow, strong style typical American sound style.
6. Usage Scenario: Earphones for mobile phones; Car AUX preamplifier; Active speaker system preamplifier; PC system earphone audio amplifier.

Specifications:
Type: HIFI Headphone Amplifier
Color: Black
Material: Aluminium Alloy
Output Power: 300mw * 2/16 Ω (maximum)
Frequency Response: 2-27kHz
SNR: 95DB
Dynamic Range: 90DB
Separation Degree: 70DB
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 Type: Polymer
Battery Life: 15 hours
Size: Approx. 48 * 36 * 11 mm / 1.9 * 1.4 * 0.4 inch
Net Weight: Approx. 27g

Package Include:
1 x HIFI Headphone Amplifier
1 x 3.5mm Audio Line