100V Line Amplifiers

Altronics’ 100V line amplifiers are designed to deliver reliable audio amplification for large-scale speaker systems and commercial sound installations. Ideal for public address systems, background music, paging applications, and multi-zone audio setups, these amplifiers provide an efficient way to distribute sound across extended areas. Suitable for businesses, schools, warehouses, hospitality venues, and public facilities, they support clear and consistent audio performance. Whether installing a new PA system or expanding an existing network, Altronics offers dependable 100V line amplifier solutions. Browse our range for professional audio products designed for flexible and effective sound distribution.

View as Grid List
Sort by
Display per page
This range of booster amplifiers are ideal for installations requiring high power zone amplifiers. Simply choose a power rating according to the wattage required for each zone.
A4370A

125W Public Address (PA) Power Amplifier

This range of booster amplifiers are ideal for installations requiring high power zone amplifiers. Simply choose a power rating according to the wattage required for each zone.
Australian Made
$813.64
i h
This range of booster amplifiers are ideal for installations requiring high power zone amplifiers. Simply choose a power rating according to the wattage required for each zone.
A4380A

250W Public Address (PA) Power Amplifier

This range of booster amplifiers are ideal for installations requiring high power zone amplifiers. Simply choose a power rating according to the wattage required for each zone.
Australian Made
$968.18
i h
Designed to meet the requirements of small to medium sized professional public address installations, delivering an output power of 30W RMS.
A4022A

30W 2 Input 100V Public Address (PA) Amplifier

Designed to meet the requirements of small to medium sized professional public address installations, delivering an output power of 30W RMS.
Australian Made
NEW
$386.36
i h
Excellent for multizone public address paging and background music systems! Engineered to meet the growing demands of venues such as RSL clubs, taverns, hotels, conference & function centres enabling individual program sources to play to different rooms
A4310

4 x 120W Class D Public Address Amplifier

Excellent for multizone public address paging and background music systems! Engineered to meet the growing demands of venues such as RSL clubs, taverns, hotels, conference & function centres enabling individual program sources to play to different rooms/zones
$1,727.27 $2,271.82
i h
Excellent for multizone public address paging and background music systems! Engineered to meet the growing demands of venues such as RSL clubs, taverns, hotels, conference & function centres enabling individual program sources to play to different rooms
A4314

4 x 240W Class D Public Address (PA) Amplifier

Excellent for multizone public address paging and background music systems! Engineered to meet the growing demands of venues such as RSL clubs, taverns, hotels, conference & function centres enabling individual program sources to play to different rooms
$2,227.27 $2,635.45
i h
The Redback A 4395 is a 500 Watt Mixer amplifier for installations requiring a high power zone amplifier. Ideally suited for use in shopping centres, pedestrian precincts, public transport facilities and convention centres.
A4395A

500W Mixer Amplifier

The Redback A 4395 is a 500 Watt Mixer amplifier for installations requiring a high power zone amplifier. Ideally suited for use in shopping centres, pedestrian precincts, public transport facilities and convention centres.
Australian Made
$1,726.36
i h
This booster is ideal for installations requiring a high power zone amplifier. Ideal for use in shopping centres, pedestrian precincts, public transport facilities and convention centres.
A4390A

500W Power Amplifier

This booster is ideal for installations requiring a high power zone amplifier. Ideal for use in shopping centres, pedestrian precincts, public transport facilities and convention centres.
Australian Made
$1,590.91
i h
A plug-in AM/FM tuner module to suit all JDM public address amplifiers.
A4344A

AM/FM Tuner Module To Suit A4320-4336

A plug-in AM/FM tuner module to suit all JDM public address amplifiers.
$253.64
i h
These compact Class-D design amplifiers offer multi source mixing plus USB/SD card/FM tuner audio playback and Bluetooth streaming functionality.
A4262B

Compact 100V Class D Bluetooth PA Mixer Amplifier 240W

These compact Class-D design amplifiers offer multi source PA sound plus USB/SD card/FM tuner audio playback and Bluetooth streaming functionality.
$908.18
i h
These compact 1RU rack mount amplifiers are suitable for both stand alone PA system use, or as zone amplifiers in larger systems requiring local inputs. All models operate on 240V ac or 24V dc for battery backup operation.
A4250A

Compact 1RU Public Address (PA) 100V Amplifier 100W

These compact 1RU rack mount amplifiers are suitable for both stand alone PA system use, or as zone amplifiers in larger systems requiring local inputs. All models operate on 240V ac or 24V dc for battery backup operation.
Australian Made
$999.09
i h
Utilising only 1RU of rack space, this range of Redback power amplifiers is available in three power ratings of 30W, 60W and 100W RMS. They lend themselves perfectly for installations requiring individual zone amplifiers.
A4230A

Compact 1RU Public Address (PA) 100V Amplifier 30W

Utilising only 1RU of rack space, this range of Redback power amplifiers is available in three power ratings of 30W, 60W and 100W RMS. They lend themselves perfectly for installations requiring individual zone amplifiers.
Australian Made
$550.00
i h
These compact 1RU rack mount amplifiers are suitable for both stand alone PA system use, or as zone amplifiers in larger systems requiring local inputs. All models operate on 240V ac or 24V dc for battery backup operation. All models include a choice of
A4235

Compact 1RU Public Address (PA) Mixer 100V Amplifier 30W

These compact 1RU rack mount amplifiers are suitable for both stand alone PA system use, or as zone amplifiers in larger systems requiring local inputs. All models operate on 240V ac or 24V dc for battery backup operation.
Australian Made
$608.18
i h
This compact 30W 1RU rack mount amplifiers is suitable for both stand alone PA system use, or as zone amplifiers in larger systems requiring local inputs. Operates on 240V ac or 24V dc for battery backup operation.
A4235A

Compact 1RU Public Address (PA) Mixer 100V Amplifier 30W

This compact 30W 1RU rack mount amplifiers is suitable for both stand alone PA system use, or as zone amplifiers in larger systems requiring local inputs. Operates on 240V ac or 24V dc for battery backup operation.
Australian Made
$608.18
i h
When fitted and used in conjunction with A 2280B wallplate to provide remote volume level adjustment. Ideal for situations where the amplifier is located in a remote rack. Plugs into the amplifier internally on the main board.
A4373

Digital Volume Board Option for Phase5 Amplifiers

When fitted and used in conjunction with A 2280B wallplate to provide remote volume level adjustment. Ideal for situations where the amplifier is located in a remote rack. Plugs into the amplifier internally on the main board.
$83.59
i h
Optional Plugin Board to suit the A4275 and A4285 mixer amplifiers. Enables audio playback of MP3 files from USB stick and SD memory cards.
A2711

MP3 USB/SD Module To Suit A4275 and A4285 Mixers

Optional Plugin Board to suit the A4275 and A4285 mixer amplifiers. Enables audio playback of MP3 files.
$81.77
i h
This module is designed for use in emergency evacuation systems and is powered by an external 24V DC source. It accepts a line level audio input and produces a 100V line output via a transformer.
A1932A

PA Amplifier Module 120W

This module is designed for use in emergency evacuation systems and is powered by an external 24V DC source. It accepts a line level audio input and produces a 100V line output via a transformer.
Australian Made
$495.45
i h
These modules are designed for use in emergency evacuation systems and are powered by an external 24V DC source. They accept a line level audio input and produce a 100V line output via a transformer. The modules feature short circuit, overload and thermal cutout protection, and are constructed on a steel chassis.
A1922

PA Amplifier Module 60W

These modules are designed for use in emergency evacuation systems and are powered by an external 24V DC source. They accept a line level audio input and produce a 100V line output via a transformer. The modules feature short circuit, overload and thermal cutout protection, and are constructed on a steel chassis.
Australian Made
$326.36
i h
An economical solution for smaller installations including offices, workshops, smaller shopping arcades, schools etc.
A4322

PA Mixer Amplifier 4 Zone 120W

An economical solution for smaller installations including offices, workshops, smaller shopping arcades, schools etc.
$844.55
i h
An economical solution for smaller installations including offices, workshops, smaller shopping arcades, schools etc.
A4324

PA Mixer Amplifier 4 Zone 240W

An economical solution for smaller installations including offices, workshops, smaller shopping arcades, schools etc.
$1,231.82
i h
An economical solution for smaller installations including offices, workshops, smaller shopping arcades, schools etc.
A4320

PA Mixer Amplifier 4 Zone 60W

An economical solution for smaller installations including offices, workshops, smaller shopping arcades, schools etc.
$544.55 $726.36
i h
Housed in a heavy duty 3RU rack mount cabinet, these mixer amplifiers include a host of features and are ideally suited for schools, offices, medical suites, office/factory units etc.
A4330

PA Mixer Amplifier 6 Zone 120W With Attenuators

Housed in a heavy duty 3RU rack mount cabinet, these mixer amplifiers include a host of features and are ideally suited for schools, offices, medical suites, office/factory units etc.
$1,362.73
i h
Housed in a heavy duty 3RU rack mount cabinet, these mixer amplifiers include a host of features and are ideally suited for schools, offices, medical suites, office/factory units etc.
A4332

PA Mixer Amplifier 6 Zone 240W With Attenuators

Housed in a heavy duty 3RU rack mount cabinet, these mixer amplifiers include a host of features and are ideally suited for schools, offices, medical suites, office/factory units etc.
$1,590.91
i h
Housed in a heavy duty 3RU rack mount cabinet, these mixer amplifiers include a host of features and are ideally suited for schools, offices, medical suites, office/factory units etc.
A4336

PA Mixer Amplifier 6 Zone 480W With Attenuators

Housed in a heavy duty 3RU rack mount cabinet, these mixer amplifiers include a host of features and are ideally suited for schools, offices, medical suites, office/factory units etc.
$1,999.09
i h
Designed to meet the requirements of medium sized professional public address installations, delivering an output power of 100W RMS respectively.
A4047

Phase5 100 Watt 100V Public Address Amplifier

Designed to meet the requirements of medium sized professional public address installations, delivering 100W RMS output power.
Australian Made
$854.55
i h
Designed to meet the requirements of medium sized professional public address installations, delivering an output power of 40W RMS respectively.
A4037

Phase5 40 Watt 100V Public Address Amplifier

Designed to meet the requirements of medium sized professional public address installations, delivering output power of 40W RMS.
Australian Made
$668.18
i h
Filters Close
Categories
Promotions
Output Clear
Manufacturers Clear
Clear All