Professional Digital Karaoke IC
Double Ring transformer
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Specifications
1. FM 87.5MHz – 108.5MHz
2. Home/car amplifier with remote
3. Projector sound player professional audio amplifier
4. Bulid in SD and USB reader
5. Spk out protection
MODEL AV-339A POWER AMPLIFIER
Name Technology parameters
Supply only input AC220V / DC 12V/5A
Output power(R. M. S) 20WX2
Frequency response 20Hz-20KHz
Input sensitivity 0.25mv-250mv
Input impedance 47K
S/N Ratio ≥ 89dB
Harmonic distortion ≤ 3%
Tone control section
Bass control ± 10dB
Treble control ± 10dB
Front Panel Function Description
1,FM/MP3 Function Display
2,SD/MMC&U disk input jack
3,INPUT,FM/MP3 select Key
VOL- key
SCAN key
VOL+ key
MODE Key
4,Meter indicator
5,Power-Power switch(Turn ON/OFF unit Power)
6,Main Channel Bass adjust knob
7,Main Channel Treble adjust knob
8,Main Channel Volume adjust knob
10,Microphone ECHO REP ADJUST KNOB
11,Microphone Bass adjust knob
12,Microphone Treble adjust knob
13,Microphone Volume adjust knob
14:Mic1 Mic2-Microphone input jack
15:CD/VCD;USB/SD AUDIO INPUT
16:CD/VCD INPUT LED indicator
17:USB/SD/FM INPUT LED indicator
Back Panel Function Description
1,CD/VCD(AUX)-Audio input
2,Recording/Audio Line output terminal
3,Speaker System output right channel
4,Speaker System output left channel
5,External 12V DC input power terminal
6,AC220V/50Hz power input
7,FM antenna(full length:58cm)
What’s in the Box
1pcs AV-339 Amplifier
1pcs User Manual
1pcs Remote Control
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