4 ZONE CLASS D AMPLIFIER WITH MP3 USB BT

The Class-D Professional PA Amplifier series is designed for hotels, supermarkets, and schools, featuring multi-zone audio control. It is suitable for use in wired audio systems, the announcement system supports both line and ohm formats, both indoor and outdoor formats.It supplies excellent sound quality with easy operation to achieve outstanding performance.

The series has 5 inputs and 4 outputs. Use indoor or outdoor buttons separately according to different usage environments to get better sound-quality effects. It has a built-in USB MP3 player and Bluetooth 5.0 connectivity. There is an Echo function on both inputs 1 and 2 and treble and bass tones can be adjusted for each of the 4 microphones separately.

Features

4 Zone Class D PA Amplifier
4 Line/Mic and MP3 player 5 inputs and 4 zone outputs
Rated output power: 150W x 4
Independent channel with 4-zone switch
Individual volume control for input 1 to input 4
Bass and treble control for input 1 to input 4
Echo function selection for input 1 and input 2
USB MP3 and Bluetooth 4 zone selection
Output options: 4 ohm/70V/100V
Monitor 1W 8ohm out and line out.
Master volume control for 4 zones
Indoor/Outdoor switch for 4 zones

What is in the box?

MPA4150 x 1pc
Power lead x 1pc
Manual x 1pc
Rackmount ear x 1 pair

Specifications

		MPA4150	MPA4250
AC Power supply	110-120V~,220-240V~ 50Hz/60Hz
Maximum power consumption	sine wave 1kHz,THD ≤ 1%,LOAD 4 ohm	920W	1449W
Rated power consumption	sine wave 1kHz,THD ≤ 1%,LOAD 4 ohm	700W	1000W
Rated output power	sine wave 1kHz,THD ≤ 1%,LOAD 4 ohm	150W*4	250W*4
Sensitivity/Impedances	MIC 1~4(balanced)	-40dBV (±2dB)	-40dBV (±2dB)
	LINE 1~4(balanced)	-5dBV (±2dB)	-5dBV (±2dB)
	AUX(unbalanced)	-5dBV (±2dB)	-5dBV (±2dB)
	TEL	-15dBV (±2dB)	-15dBV (±2dB)
Max Input Level	MIC 1~4(balanced)	-20dBV	-20dBV
	LINE 1~4(balanced)	+15dBV	+15dBV
S/N ratio	MIC	>65dB	>65dB
	LINE	>75dB	>75dB
	AUX	>75dB	>75dB
Bandwidth	MIC+OUTDOOR	178Hz-7.96KHz	178Hz-7.96KHz
	MIC+INDOOR	132Hz-7.96KHz	132Hz-7.96KHz
	LINE+OUTDOOR	138Hz-12.6KHz	138Hz-12.6KHz
	LINE+INDOOR	70Hz-12.6KHz	70Hz-12.6KHz
	AUX+OUTDOOR	144Hz-17KHz	144Hz-17KHz
	AUX+INDOOR	76Hz-17KHz	76Hz- 17KHz
THD+N 1/10 Rated Out/ 1W	I /10 Rated Out/ 1W	≤ 1W	≤ 1W
Tone control	BASS @ 100 Hz	±10dB	±10dB
	TREBLE @ 10kHz	±10dB	±10dB
Phantom supply	condenser microphone	18V	18V
Priority Sensitivity	MIC+TEL	-60dBv/3S	-60dBv/3S
Crosstalk	500-20KHz	<-60dB	<-60dB
CMRR	balance input	>60dB	>60dB
Noise	all VR MAX	<30mv	<30mv
Dimension (WxDxH)		638x543x188mm (25.12" x 21.38" x 7.40")
Weight		17.85Kg (39.35 lbs)	21.05Kg (46.41 lbs)