6.5" with coaxial speaker,80/100mm diameter magnet
Color optional:red,green,blue,gray,golden,etc
25 Watt output  
Coaxial amplifier  
Voice Prompt (optional)
Recording(optional)
Karaoke 
Microphone priority
Line-in  
Audio output  
Reverberation  
Volume adjustment  
USB play&SD Card reading  
Connect to guitar  
Rechargeable battery  
Bluetooth(Optional) Trolley(Optional)
Wireless microphone(Optional)
Weight:6KGS 
Carton size:297*277*404mm
Quantity/Container：840pcs(20GP)/2050pcs(40HQ)