Portable Speaker Amplifier JP-139

Loudspeaker, System can play MP3 and WAM format in the udisk.

A great help at home, office, factory, hospital, school, nursing home, church, retreat, camp, meeting, restaurant, party, ballgame, any place or event - one to one conversation or group activity - and in a car, bus, plane or train to get above engine and road noises

Performance indexThe machine is used in the design of dynamic compression/expansion,crystal,

dynamic noise source of vibration suppression , multilevel interference filters, 

APC,etc.Main features: 

high signal-to-noise ratio, strong anti jamming capability, 

distortion, quality good, stable performance, receiving sensitivity adjustable.

SystemPower Supply:12V 3AFrequency range: 165MHZ - 270MHZFrequency Stability: ±0.001%Modulation mode: FMOperating Distance: 100M(Outdoor)  

Operating Temperature: -10~+50°C

Receiver:Receiving mode: super insideSensitivity: 12dBu superior (S/N = 40dB)Output power: 60W (MAX)Lines output level: 0-500mvLine: 3.5 unbalanced outputThe 12V: AH.=1.2 barreryPower supply: 220V  65W

Frequency  :50HZ

With USB and SD jack

TransmitterPower: ±10mW Clutter power: < 40dBmBattery:9VWorking Current:≤30mA

Portable Speaker Amplifier JP-139