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CHANGEOVER UNIT

Standby amplifier changeover

AC3801

8 Duty 1 Standby Manual Amp Changeover

Supports 8-duty / 1 standby amplifiers with cascading options, priority changeover, and Auto Fault Sensing (AFS).

AX3800 MK II

8 Duty 1 Standby Auto Amp Changeover

Cascading support up to 16 duty amplifiers, fast fault detection, priority changeover, pilot tone injection and remote monitoring.

AX3800

8 Duty 1 Standby Auto Amp Changeover

Supports 8-duty / 1 standby amplifiers with cascading for larger setups, fast fault detection, prority changeover.

SURVEILLANCE & MONITORING UNIT

Speaker line surveillance and amplifier monitoring

LS4808

8 Ch Speaker Line Surveillance

8-channel speaker line monitoring unit with impedance-based fault detection, remote testing, and no end-of-line resistors required.

LS4816

16 Ch Speaker Line Surveillance

16-channel speaker line monitor offering accurate fault detection, adjustable test intervals, and RS485 remote access without end-of-line resistors.

AM4120

12 Ch Amplifier Monitor Panel

12-channel amplifier output monitor with an LED meter and speaker for audio checks and calibration.

Amplifiers Changeover & Monitoring

Speaker line monitoring detects faults in speaker circuits, while amplifier changeover units automatically switch a faulty amplifier to a standby unit. These functions are essential for compliance with EN54, BS5839 Part 8, and most local regulations for EVAC and PA systems.

CHANGEOVER UNIT

Standby amplifier changeover

AC3801

8 Duty 1 Standby Manual Amp Changeover

Supports 8-duty / 1 standby amplifiers with cascading options, priority changeover, and Auto Fault Sensing (AFS).

AX3800 MK II

8 Duty 1 Standby Auto Amp Changeover

Cascading support up to 16 duty amplifiers, fast fault detection, priority changeover, pilot tone injection and remote monitoring.

AX3800

8 Duty 1 Standby Auto Amp Changeover

Supports 8-duty / 1 standby amplifiers with cascading for larger setups, fast fault detection, prority changeover.

SURVEILLANCE & MONITORING UNIT

Speaker line surveillance and amplifier monitoring

LS4808

8 Ch Speaker Line Surveillance

8-channel speaker line monitoring unit with impedance-based fault detection, remote testing, and no end-of-line resistors required.

LS4816

16 Ch Speaker Line Surveillance

16-channel speaker line monitor offering accurate fault detection, adjustable test intervals, and RS485 remote access without end-of-line resistors.

AM4120

12 Ch Amplifier Monitor Panel

12-channel amplifier output monitor with an LED meter and speaker for audio checks and calibration.

RESOURCES

Catalogue

Read all amplifiers changeover and monitoring units catalogue and datasheet at your fingertips.

RESOURCES

PA system selection guide

Discover detailed guidance on selecting the right PA Systems, with sample schematics available for download.

Contact us today

Interested in this product? Contact us for more information.

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Sales Office (Malaysia)

70, Jalan Industri PBP 3,

Taman Perindustrian Pusat Bandar Puchong 47100, Puchong, Selangor, Malaysia.

Tel: +603-5882 7757 / 7758

Production Factory (Malaysia)

2, Jalan Meranti Puchong D25@Meranti Puchong 47120 Puchong, Selangor, Malaysia

Amperes Asia Pte Ltd

Export Sales Office - Singapore

(Co Reg: 201102253E)

1, North Bridge Road, #13-03, High Street Centre, Singapore 179094

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