B057 Front Stereo Sound Amplifier Headphone Speaker Amplifier Booster with High And Low Bass Adjustment 2-Way Mixing, USB 5V Power Supply, US Plug

Product presentation:
1. Do you have a line level signal source (TV audio, MP3 player, video game, phone, tablet, computer, speaker, etc.) that is just not loud enough/loud enough?
2. Best performance audio source signal amplifier with volume control: new audio source signal amplifier circuit architecture, providing high and low pitch adjustment, output level signal gain +20dB
3. The new power booster protection module is convenient for outdoor use:USB 5V power supply, suitable for outdoor mobile power supply
4. Wider range: 3.5mm + RCA interface for input and output, compatible with more devices
5. Compact Desktop/Desktop Mini design
6. Independent output volume adjustment
7. Using compact and thin desktop mini design, compact size, compatible with any device
8. Simple installation: Input and output plug and play easy installation, you can enjoy different audio experience

Product Parameter:
1. Input impedance :100K Ohm
2. Output gain: +20dB
3. Frequency response: 20Hz - 20KHz
4. Signal to noise ratio: more than 107dB
5. Total Harmonic Distortion: Less than 0.08%
6. Intermodulation distortion: Less than 0.01%
7. Input port: Stereo 3.5mm jack and RCA interface
8. Output port: Stereo 3.5mm interface and RCA interface
9. Power supply: USB 5V
10. Net weight: 0.31kg
11. Gross weight after packaging: 0.46kg
12. Product size: Length 108 mm x width 75 mm x height 38 mm
13. Packing Size: Length 185mm x Width 135mm x Height 65mm

Kit list:
1. Front-stereo signal amplifier headphone speaker amplifier x 1
2. USB power cord, length 120CM x 1
3. USB power adapter US standard x 1