la4445 is a 5.5W 2-Channel AF Power Amplifier  IC.
Features
• Dual channels.
Output : 5.5W×2 (typ.)
• Minimun number of external parts required.
• Small pop noise at the time of power supply ON/OFF and
good starting balance.
• Good ripple rejection : 46dB (typ.)
• Good channel separation.
• Small residual noise (Rg=0).
• Built-in protectors.
a. Thermal protector
b. Overvoltage, surge protector
c. Adjacent pins (9-10, 9-8) short protector

Operating Characteristics at Ta = 25˚C, V CC =13.2V, R L =4Ω, f=1kHz, Rg=600Ω, with 100×100×1.5mm 3
Al heat sink, See specified Test Circuit

why choose us :
advantage:
1.Produce Range
Yangjiang RUIXIAO Enterprise Co,.Ltd,major in the electronic component , who have wide range of products,
such as IC,resistor , capacitor , mosfet , diodes, module , LED, relay, lcd. pcb board . and so.  the brand involves:SHARP, POWER, , NXP, NS, ON, ST , IR, VISHAY , TOSHIBA, FAIRCHILD,MICROCHIP, ATMEL,EVERYLIGHT all the kinds  of electronic component you need will be find in  here.

2.Production workshop

3.Scope of application
the product  is widely used in Automotive industry control,new energy industry,Audio,Home appliances equipment,Communication industry.it can  meet the diverse needs of customers

4.service:
with the  "User first, customer first" Company motto, quality assurance ,  economic price , fast Delivery time is our only faith. we will try our best to make every customer to enjoy the  the most flexible,efficient  services.We sincere hope that we can seek the common development and cooperation with  the customer together to achieve a win-win situation.

5.Logistics:
we can send the goods to the customer's country directly by the international logistics.  no matter send by air or by sea. 
we will try our best to let the customer to get the parcel more convenient .
(noted:Not bear  any fee and tax of the transportation cost.)