Expand Your Audio System with Reliable Slave Amplifiers

Enhance your commercial or public address audio installations with our range of Slave Amplifiers at The Electronics Shop. Designed to provide additional power and flexibility, these amplifiers are ideal for expanding existing systems or powering multiple speaker zones.

Key Features:

  • Versatile Connectivity: Each amplifier supports both 100V line and 8 Ohm operation, offering compatibility with various speaker configurations.

  • Flexible Inputs and Outputs: Balanced inputs via screw terminals and dual RCA sockets allow seamless integration with mixers and other audio sources.

  • Scalable Solutions: With power ratings ranging from 60W to 480W, our selection caters to installations of varying sizes and requirements.

  • Safety and Control: Features like channel gain control, LED signal indicators, and 24V fire alarm mute contacts ensure reliable and safe operation.

  • Rack-Mountable Design: Supplied with hardware for mounting two units in a standard rack, facilitating organized and efficient setups.

Whether you're looking to extend your current audio system or require dedicated amplification for specific zones, our slave amplifiers provide the performance and reliability you need.

Adastra RS121 120W 100V Line Slave Amplifier – Compact Class-D Power for Scalable Audio Systems

Mono Slave Amplifier.

100V line or 8 Ohms operation.

Balanced Input (Screw Terminals) and 2 x L+R RCA Sockets.

100V input for connection in parallel with existing 100V speakers.

Channel Gain Control.

LED Signal Indication.

24V fire alarm mute contacts.

Supplied with hardware for rack-mounting 2 units

2 x L+R RCA Slave Output.

443-201
Delivery time:2 - 3 Working Days
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Adastra RS360 360W 100V Line & 2Ω Slave Amplifier – Rackmount Class-D Power

Mono Slave Amplifier.

100V line or 8 Ohms operation.

Balanced Input (Screw Terminals) and 2 x L+R RCA Sockets.

100V input for connection in parallel with existing 100V speakers.

Channel Gain Control.

LED Signal Indication.

24V fire alarm mute contacts.

Supplied with hardware for rack-mounting 2 units

2 x L+R RCA Slave Output.

443-203
Delivery time:2 - 3 Working Days
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Adastra RS480 480W 100V Slave Amplifier – Rackmount Class-D Power for Large-Scale Audio Systems

Mono Slave Amplifier.

100V line or 8 Ohms operation.

Balanced Input (Screw Terminals) and 2 x L+R RCA Sockets.

100V input for connection in parallel with existing 100V speakers.

Channel Gain Control.

LED Signal Indication.

24V fire alarm mute contacts.

Supplied with hardware for rack-mounting 2 units

2 x L+R RCA Slave Output.

443-204
Delivery time:2 - 3 Working Days
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!

Adastra RMS605 5-Zone Class-D Amplifier – 5 x 60W 100V/4–16Ω Outputs

5 x Independent Mono Amplifiers

5 x Balanced XLR Inputs.

5 x L+R RCA Sockets.

Outputs for 100V or 4 - 16 Ohm speakers

Independent inputs and optional global aux input

Paging microphone input with vox override

Switchable +20V phantom power for paging microphone

24V contacts for emergency muting

Channel Gain and Tone Controls.

No Slave Output.

Fan Cooled

443-152
Delivery time:2 - 3 Working Days
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Adastra RMS1202 2-Zone 2x120W 100V/Low-Impedance Slave Amplifier – Rackmount Class-D Power

2 x Independant Mono Amplifiers

2 x Balanced XLR Inputs.

2 x L+R RCA Sockets.

Outputs for 100V or 4 - 16 Ohm speakers

Independent inputs and optional global aux input

Paging microphone input with vox override

Switchable +20V phantom power for paging microphone

24V contacts for emergency muting

Channel Gain and Tone Controls.

No Slave Output.

Fan Cooled

443-154
Delivery time:2 - 3 Working Days
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!

Adastra US90 Slave Amplifier – 90W 100V Line Expansion for PA Systems

Mono Slave Amplifier.

100V line or 8 Ohms operation.

Balanced Input (Screw Terminals) and 2 x L+R RCA Sockets.

100V input for connection in parallel with existing 100V speakers.

Channel Gain Control.

LED Signal Indication.

24V fire alarm mute contacts.

Supplied with hardware for rack-mounting 2 units

2 x L+R RCA Slave Output.

443-199
Delivery time:2 - 3 Working Days
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!

Adastra US60 Slave Amplifier – Compact 60W Power for Zoned Audio Systems

Mono Slave Amplifier.

100V line or 8 Ohms operation.

Balanced Input (Screw Terminals) and 2 x L+R RCA Sockets.

100V input for connection in parallel with existing 100V speakers.

Channel Gain Control.

LED Signal Indication.

24V fire alarm mute contacts.

Supplied with hardware for rack-mounting 2 units

2 x L+R RCA Slave Output.

443-196
Delivery time:2 - 3 Working Days
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!

DAP CA-2150 Class-D Amplifier – Compact & Versatile Power for Professional Installations

Stereo Slave Amplifier

Suitable for 2, 4 and 8 Ohm Operation.

Built in Limiter

Stereo or Bridge Mode.

2 x Balanced XLR Inputs.

Independent Channel Gain Controls.

LED Signal Indication.

446-510
Delivery time:2 - 3 Working Days
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