PAVA9425E 4-Zone Expansion Amplifier with Main Backup Switching

Name: PAVA9425E 4-Zone Expansion Amplifier with Main Backup Switching
Brand: Guangzhou DSPPA Audio Co., Ltd.

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Features

● 4 zones speaker output(could be extended up to 128 zones)
● Built-in 1000W main amplifier and 1000W backup amplifier,with amplifier fault detection
● Support 2 balanced microphone inputs, 4 analog AUX inputs and 1 AUX output,
● With master volume control and treble and bass control
● Support paging to specific zone without interrupting background music broadcasting
● With on/off buttons for an independent zone and all zones
● With line detection function, including open circuit, short circuit, and normal states
● Dual RJ45 network ports and CAN bus transmission, transmission distance up to 800 meters between host and extender
● Support 100V bridge output, independent zone volume control, and AB line output
● Support expansion amplifier address selection
● Support program source monitoring function
● Support remote computer detection and control
● Support speaker line detection and system detection
● 4 channels dry contact trigger input/output, 4 channels DC24V override output
● Support AC220V and DC24V power supply

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Introduction
Specification

EN54-16 fire emergency broadcasting system provides manual operation and timing programming, and gives priority to the former over the latter; supports real-time monitoring of equipment operating status and recording of operating logs. It meets the relevant standard of “EN54-16 Voice Alarm Control and Indicating Equipment”. The broadcasting system can be used for fire emergency broadcasting, daily service broadcasting and background broadcasting; this system is positioned as a small emergency broadcasting system, mainly used in small shopping malls, small office buildings and exhibition halls, etc.

PAVA9425E is a 4-zone expansion amplifier with main/backup switching function in the EN54-16 system, and is designed to be 2U high, with 2 microphone inputs, 4 analog inputs and 1 line output; supports the total power of up to 1000W; holds 4 zone outputs, with the total power of 1000W for all zones.

Model			PAVA9425E
Rated Output Power			≥1000W (100V)
Input Sensitivity	Emergency Microphone		——
	Line		1000mV 10kΩ
Harmonic Distortion	Emergency Microphone		<1% 1kHz
	Line		<1% 1kHz
Frequency Response	Emergency Microphone		80Hz-15kHz (±3dB)
	Line		50Hz-18kHz (±3dB)
S/N Ratio	Emergency Microphone		>75dB (A-Weighted)
	Line		>80dB (A-Weighted)
EMC Line Auxiliary Output	Output Voltage		1000mV
	Frequency Range		80Hz-15kHz (±3dB)
	Harmonic Distortion		<1% 1kHz
System Connection Control Contact Output/Input	System Fault Relay Output		Short circuit, no voltage
	Emergency Mode Relay Output		Short circuit, no voltage
	Fire Reset Input		Short circuit, t≥0.5S, no voltage
	4-Channel Dry Contact Output		Short circuit, no voltage
	4-Channel Dry Contact Input	Short Circuit Mode	Short circuit input, no voltage
		Level Mode	3.3V~24V
Voice Message	Data Format		WAV
	Storage Type		SD card
	Retention Time		>10 years
Working Power	AC		AC 230V/50-60Hz
	DC		DC 24V/34A
Package Dimensions (LWH)			483×320×88
Machine Dimensions (LWH)			530×490×145

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