Product Details

OBT-6156 Built in MP3 multiplex amplifier with 6 zone ,support USB and SD card

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;

3 channels of Mic inputs, 2 channels of audio inputs, an auxiliary audio output,2 channels of EMC input
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 six 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, warningbuzzer will ring to alarm;
2 kinds of power output modes: constant voltage output 100V, 70V and constant resistance output 4~16Ω.,6 partition output modes: constant voltage output 100V

Technical parameters:

Model	OBT-6156	OBT-6256	OBT-6356	OBT-6456	OBT-6556	OBT-6656
Rated Power Output	150W	250W	350W	450W	550W	650W
Speaker Outputs	70V, 100V & 4~16Ω
Input Sensitivity & Impedance	MIC 1, 2, 3: 5mV/600Ω
	MIC 2, 3 Line Input: 775mV/10KΩ, Unbalanced RCA Screw Input
	AUX 1, 2: 350mV/10KΩ, Unbalanced RCA Screw Input
Output Sensitivity & Impedance	MIX OUT: 1000mV/470Ω, Unbalanced RCA Screw Output
Overloadsourceelectromotive force	MIC 1, 2, 3: >12dB, Unbalanced TRS Screw Input
	MIC 2, 3 Line Input: >12dB, Unbalanced RCA Screw Input
	AUX 1,2,3,4: >20dB, Unbalanced RCA Screw Input
	MP3: >20dB, Unbalanced Input
	EMC: >12dB, Unbalanced DG7.62 Screw Input
Tone	Bass:±10dB at 100Hz
	Treble:±10dB at 10KHz
Frequency Response	50Hz~16KHz(+1dB, -3dB)
S/N Ratio	MIC 1, 2, 3: 66dB; AUX 1, 2: 80dB
THD	1KHz 0.5%, 1/3 Output Power Consumption
Muting Function	MIC 1 overrides other input signals
	0-30 dB adjustable
Crosstalk	≤50dB
Cooling	Forced air from front to rear, start built-in fan when radiator temperature reaches 45 degrees
Protection	Over heat, over load & short circuit
Power Supply	AC220V/50Hz
Power Consumption	260W	450W	700W	950W	1200W	1600W
Weight	11.87Kg	13.74Kg	17Kg	17.85Kg	19.7Kg	20.5Kg
Dimensions	525×525×170mm
Material	Black aluminum panel, SPCC cold rolled chassis