Voice Professional Teacher Amplifier&Speaker 1. Portable size and weight 2. Easy to operate 3. Can make your sounds more loud USB&FM with sound recording Mini Portable Voice Professional Teacher Amplifier&Speaker   Basic Parameter                                    Basic Function

Model Number	Q808	USB	√
Type	High power multimedia electricity megaphone	TF	√
Time To Market	2012	FM	×
Size	85*38*105mm	Antenna	√
Arms	×	Input Signal	MP3
Appearance	rectangular block	Output Power	25W
Voltage	DC12V 300~450mA	Remote Control	×
Color	red	LED Display	×
Chassis And Case	ABS	Microphone	√
Panel Material	ABS	Battery durable time	12~15 hours
Channel	5(4.1)
Input Sensitivity	10-20db
Impedance	20K ohms
Frequency Response	100Hz-10KHz+/-3dB
Channel Separation	60dB
Treble Bass Rang	+/-15dB
SNR	90-100dB
Weight	270g

USB&FM with sound recording Mini Portable Voice Professional Teacher Amplifier&Speaker