amperes electronics

Professional Public Address (PA) System Manufacturer

CHANGEOVER UNIT

Standby amplifier changeover

8 Duty 1 Standby Manual Amplifier Changeover

Supports 8+1 amplifier changeover, with manual or auto switching via AFS, cascading, and priority changeover. Rated at 1000W per channel.

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AX3800 MK II

8 Duty 1 Standby Automatic Amplifier Changeover

8+1 advanced amp changeover with dual I/O auto switching, cascading, fault detection, priority changeover, pilot tone injection and RS485 for remote monitoring. Rated at 1000W per channel.

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AX3800

8 Duty 1 Standby Auto Amplifier Changeover

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

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SURVEILLANCE & MONITORING UNIT

Speaker line surveillance and amplifier monitoring

LS4808

8 Ch Speaker Line Surveillance

8-ch speaker line monitoring unit with impedance fault detection, remote testing, and no end-of-line resistors required for circuit branching.

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LS4816

16 Ch Speaker Line Surveillance

16-ch speaker line monitoring unit with impedance fault detection, remote testing, and no end-of-line resistors required for circuit branching.

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AM4120

12 Ch Amplifier Monitor Panel

12-ch amplifier output monitor with an LED meters and built-in speaker for audio checks and system calibration.

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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.

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CHANGEOVER UNIT

Standby amplifier changeover

AC3801

8 Duty 1 Standby Manual Amplifier Changeover

Supports 8+1 amplifier changeover, with manual or auto switching via AFS, cascading, and priority changeover. Rated at 1000W per channel.

Learn More

AX3800 MK II

8 Duty 1 Standby Automatic Amplifier Changeover

8+1 advanced amp changeover with dual I/O auto switching, cascading, fault detection, priority changeover, pilot tone injection and RS485 for remote monitoring. Rated at 1000W per channel.

Learn More

AX3800

8 Duty 1 Standby Auto Amplifier Changeover

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

Learn More

SURVEILLANCE & MONITORING UNIT

Speaker line surveillance and amplifier monitoring

LS4808

8 Ch Speaker Line Surveillance

8-ch speaker line monitoring unit with impedance fault detection, remote testing, and no end-of-line resistors required for circuit branching.

Learn More

LS4816

16 Ch Speaker Line Surveillance

16-ch speaker line monitoring unit with impedance fault detection, remote testing, and no end-of-line resistors required for circuit branching.

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AM4120

12 Ch Amplifier Monitor Panel

12-ch amplifier output monitor with an LED meters and built-in speaker for audio checks and system calibration.

Learn More

RESOURCES

Catalogue

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

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RESOURCES

PA system selection guide

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

Explore Guide

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Products

IP PA System

Matrix System

Pre-Amp Mixer & Distributor

Company

Warranty & Service FAQ

Sales Office (Malaysia)

70, Jalan Industri PBP 3,

Taman Perindustrian Pusat Bandar Puchong,

47100 Puchong, Selangor, Malaysia.

E: info@ampereselectronics.com

Tel: +603-5882 7757 / 7758

Production Factory (Malaysia)

2, Jalan Meranti Puchong D25@Meranti Puchong

47120 Puchong, Selangor, Malaysia

Export Sales Office (Singapore)

Amperes Asia Pte Ltd

(Co Reg: 201102253E)

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

Amperes Electronics Sdn Bhd

SSM Registration No: 200001006420 (509025-X)

Your Trusted PA System Manufacturer since 1999

IP PA System
Matrix System
Pre-Amp Mixer & Audio Distributor
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Technical Info
Sales Office (Malaysia)
70, Jalan Industri PBP 3,

Taman Industri Pusat Bandar Puchong

47100 Puchong, Selangor, Malaysia.
E: info@ampereselectronics.com
Tel: +603-5882 7757 / 7758
Production Factory (Malaysia)
2, Jalan Meranti Puchong D25@Meranti Puchong 47120 Puchong, Selangor, Malaysia
Export Sales Office (Singapore)
Amperes Asia Pte Ltd

(Co Reg: 201102253E)

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