Specifications

1.TF or SD card and USB insertable for MP3 playing
2.FM radio function
3.30W loudspeaker

USB/SD/TF function and Mic In function loudspeaker with 30 W

Product Description:

KOQI amplifier is a sweet gift for teachers and good partner for tour guides.

This amplifier is the most advanced card-in amplifier in domestic , which deeply

loved by users as it’s SD/TF or USB insertable functions, pretty stylish and

humanized design, high storage capacity Li battery.

Features:

Multifunctional digital amplifier all in one with charging, amplification,

multi-media speaker.

TF or SD card and USB insertable for MP3 playing.

FM radio function, is convenient for you to listen broadcasting programs. 

Adopting high-tech digital circuit technology and SMT, which have full

advantage in keep a perfect vocal and howl-proof ability.

With Reverberation (echo) function, which is perfect for kinds vocal music

occasions using.

Used low power consumption design and huge storage capacity Li battery

power supply, which could continuous use 20 hours.

The output power up to 30W, with good Bass effect and high penetration.

Which could get a good performance in the area of 400 square,

is perfect for entertainment, morning exercise,musical instrument

amplify, conference etc.

Provide high class headset microphone, which is suitable for adorn with

high sensitivity and super-cardioid directional, howling canceling.

With fashionable appearance and humanized design make you use more

conveniently.

Technical Parameters:

Maximal Output: 30 W             

Battery charger: DC 10.6V/400mA

Frequency Response: 70Hz-12 kHz  

Battery working time:  18H continuous (related to the volume and temperature)

Output impedance: 4Ω                             

Master weight: 448.2g (include battery)

Operating Voltage: 6.5-8.4V                   

Dimension: 138mm X 98mm X 43mm         

Recharging Time: 6-8H

Standard list

 KM-678 host machine                     1 set          

Microphone                                        1pc

Battery charger                                  1pc  

Audio wire                                           1pc     

Waistband belt                                   1 pc

Specification                                       1pc

Warranty card                                      1pc           

Certification                                          1pc