Specifications

Mini Portable Acoustic Megaphone and Professional Teacher Voice Amplifier

This mini amplifier with high cost-performance and powerful sound, it is ideal for teachers, instructors, speakers, tour guides 

This amplifier is a sweat gift for teachers and good partner of tour guides.

This style of mini amplifier is ideal for teachers, instructors, speakers, tour guides and anyone who what to make himself heard easily. High-tech digital technology and huge storage Lithium battery make long- time service. Fashionable beautiful and humanized appearance design, easy to carry and operate make it use more conveniently for various activities.

Features

1.)   Multifunctional digital amplifier all in one with condenser headset microphone, amplifier, and multimedia speaker.

2.)   With high-tech digital circuit technology and SMT technology, which have full advantage in keep a perfect vocal and howl-proof ability.

3.)   Mini amplifier is with mini USB slot to support digital product and charging equipment.

4.)   With Low power consumption and high storage Lithium battery design, which could use 20hours continuously, what is more, the battery can be removed and exchanged.  

5.)   The Output Power up to 15W, it has good lungs with clearly voice, high penetration and the sound can cover area of 400 square.

6.)   Match high class headset microphone, which is suitable for long-time adorn with high sensitivity and super-cardioid directional condenser capsule, howling canceling.

7.)   With fashionable appearance and humanized design make you use more conveniently

 Technical Parameter

Maximal Output: 12 W                                 Recharger: DC5V/ 500mA

Frequency Response: 100Hz-20kHz           Working Time: 20H continuous

Output impedance: 4Ω                                Master weight: 198g (with battery)

Operating Voltage: 2. 5- 5V                         Dimension:  85X87X42mm        

Recharging Time: 6-8 H 

Standard Configuration 

KM-676 Master Device                   1pc

Headset Microphone                      1pc

Charger                                          1pc

Audio Cable                                    1pc

Shoulder Strap                               1pc

Manual                                           1pc

Guarantee Card, Certificate           1pc

Key-press direction

1.)      MIC IN Jack

2.)      Power LED

3.)      Power Switch/Volume Knob

4.)      AUD IN

5.)      Charge LED Jack

6.)      Charger Slot

1. Amplification
   1. Insert the matched microphone plug into “MIC IN” jack(1)
   2. Revolve the knob (3)toward the right, when you heard the voice “di” , the power LED (2) on, meaning, the amplifier powers on, the voice become louder with right revolution, otherwise, the voice become lower till power off.
   3. Wear the microphone, adjust the position of capsule, around 1cm from the mouth is the best.
   4. Now you can use KOQI amplfier as you like.