Infobit – iSound PA20

Dual 20W Audio Amplifier

The iSound PA20 is a versatile amplifier offering flexible power output, advanced audio control, and robust microphone support. Ideal for professional audio applications requiring clear, customisable sound.

Available Sizes

Product Code

Specification Sheets

iSound PA20 Datasheet

More information click here

Compact Design

EQ Control

Easy Installation

Mic Input

Compact Design

EQ Control

Easy Installation

Mic Input

The iSound PA20 is a powerful, flexible amplifier for professional audio environments. It delivers clear sound with a default output of 2 x 20W at 4Ω, with an option to switch to bridge mode for a single 40W output at 8Ω. Featuring dual stereo inputs and comprehensive volume, bass, and treble controls accessible via panel, IR remote, or RS232, it offers precise audio customisation. The amplifier also supports balanced and unbalanced microphone inputs, including 48V phantom power and integrated noise suppression, ensuring clean and reliable voice capture for various applications.

Full Features

Amplifier delivers 2 x 20W output at 4Ω by default

Supports bridge mode for 1 x 40W output at 8Ω, providing higher power flexibility

Features two stereo audio inputs, selectable via panel controls, IR remote, or RS232 interface

Volume, bass, and treble adjustments available through panel buttons, remote control, or RS232

Microphone input accommodates balanced and unbalanced signals with advanced noise suppression

Line-level audio output provided via 3.5mm jack with independent volume control

Dual-mono function converts stereo input into two mono channels; integrated microphone mixer included

Microphone audio is mixed into line output with separate volume management

Microphone input supports 48V phantom power, dynamic microphones, and wireless microphones

Automatic noise gate mutes output when no audio or microphone signal is detected

Ultra-low inrush current design enables simultaneous power-up of multiple units without circuit overload

Convection-cooled, fanless design ensures silent operation and reduced maintenance

Anti-static enclosure offers robust protection for reliable, long-term performance

Dual 20W Audio Amplifier

Flexible Amplifier Output

Delivers 2 x 20W at 4Ω by default, with a bridge mode option for a single 40W output at 8Ω, allowing adaptable power configurations.

Advanced Audio Control

Two stereo inputs selectable via panel, remote, or RS232, with adjustable volume, bass, and treble for precise sound customisation.

Robust Microphone Support

Supports balanced/unbalanced MIC inputs with noise suppression, 48V phantom power, and integrated MIC mixing for clear, reliable audio.

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Infobit – iSound PA20

Available Sizes

iSound PA20 Datasheet

More information click here

Compact Design

<img class="alignnone size-full wp-image-7827" src="https://technologycore.com.au/wp-content/uploads/sites/2/2022/04/Compact_design.svg" alt="" />

EQ Control

<img class="alignnone wp-image-12998" src="https://technologycore.com.au/wp-content/uploads/sites/2/2025/08/Equiliser.svg" alt="" width="80" height="83" />

Easy Installation

<img class="alignnone size-full wp-image-7850" src="https://technologycore.com.au/wp-content/uploads/sites/2/2020/02/Easy_installtion.svg" alt="" />

Mic Input

<img class="alignnone size-full wp-image-7835" src="https://technologycore.com.au/wp-content/uploads/sites/2/2020/09/Microphone.svg" alt="" />

Compact Design

<img class="alignnone size-full wp-image-7827" src="https://technologycore.com.au/wp-content/uploads/sites/2/2022/04/Compact_design.svg" alt="" />

EQ Control

<img class="alignnone wp-image-12998" src="https://technologycore.com.au/wp-content/uploads/sites/2/2025/08/Equiliser.svg" alt="" width="80" height="83" />

Easy Installation

<img class="alignnone size-full wp-image-7850" src="https://technologycore.com.au/wp-content/uploads/sites/2/2020/02/Easy_installtion.svg" alt="" />

Mic Input

<img class="alignnone size-full wp-image-7835" src="https://technologycore.com.au/wp-content/uploads/sites/2/2020/09/Microphone.svg" alt="" />

Full Features

Amplifier delivers 2 x 20W output at 4Ω by default

Supports bridge mode for 1 x 40W output at 8Ω, providing higher power flexibility

Features two stereo audio inputs, selectable via panel controls, IR remote, or RS232 interface

Volume, bass, and treble adjustments available through panel buttons, remote control, or RS232

Microphone input accommodates balanced and unbalanced signals with advanced noise suppression

Line-level audio output provided via 3.5mm jack with independent volume control

Dual-mono function converts stereo input into two mono channels; integrated microphone mixer included

Microphone audio is mixed into line output with separate volume management

Microphone input supports 48V phantom power, dynamic microphones, and wireless microphones

Automatic noise gate mutes output when no audio or microphone signal is detected

Ultra-low inrush current design enables simultaneous power-up of multiple units without circuit overload

Convection-cooled, fanless design ensures silent operation and reduced maintenance

Anti-static enclosure offers robust protection for reliable, long-term performance

Dual 20W Audio Amplifier

Need More Info? We’re Here to Help

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