OBT-6554 USB and SD card 550W 4 zone multiplex amplifier for PA system

OBT-6554 USB and SD card  550W 4 zone multiplex amplifier for PA system

Application:

Used for every public place: Shopping center, School, Airport, Raillway stataion, Building, Mining pool,

Residential area, highway, toll plaza,Factory,Supermarket,Parking,Stadium,Mountain etc.

Features:

 2U standard 19-inch industrial chassis, ergonomic design, sophisticated technology, filling with the high-grade temperament;
3channels of MICs, 2 channels of audio inputs, an auxiliary audio output;
Forcibly cutting priority function, Mic 1 has the highest priority, the other channels have second priorities;
2 channels of Mic Line Inputs (sensitivity of MIC2/MIC3 channel line input is 775mv);
Mic and Aux have volume control knoband treble, bass tone control knob;

Amplifier output comes with four partitions, you can select the partition state;
The device has a good short circuit, overheat, overload automatic detect and protect function, the indicator will light to warm, warning buzzerwill ring to alarm;
Linking two machines can achieve independent volume control for each channel for eight partition, as well as three machines can achieve independent volume control for each channel for twelve partition ,and so forth;
2 kinds of power output modes: constant voltage output 100V, 70V and constant resistance output 4~16Ω.,4 partition output modes: constant voltage output 100V

 Technical parameters:

Lead time:

Sample: In stock

Mass production: 5 working days

Company Pictures 1 for office:

Company Pictures 2 for workshop:

Certification 1 for License and Pantents:

Certification 2 for Products:

Real Projects Connection Diagram:

How to start to make business with us?

Service:

Good Service:

1. Professional sales reply you enquiry in 24Hrs

2. Feedback of complaint in 24Hrs

3. OEM/ODM are welcomed

4. 2 years Warranty 

Warranty:

1. All products have been strictly Quality Checked before packing.

2. All products have been well packed before shipping.

3. All products with 2 years warranty.

After Sales Service:

1. We are always online to solve all your request.

2. Any faulty product, we can send replacement to you freely

3. To ensure your receive the order tax free upon import, we are willing to declare lower value.

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