PA322
Mini Amplifier with Dual Inputs

PA322 Side_edited.png
Highlights

Dual unbalanced line audio input sources, selectable via external control panel 

Built in 100V converter for overriding by main PA system

Class D amplifier for 4 ohm speakers, suitable for localised area such as hotel bathroom

PA322 is a small amplifier with 8 Ohm speaker connection, used to amplifier unbalanced line signal, such as from TV or other player to one or two speakers with a total load of 20W.

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It has dual inputs which is selectable via remote volume control & source selector ( VC7001 ).

 

Its built in emergency overriding relay allows main PA to bypass local audio to allow 100V broadcast to the local speaker.
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Application examples, TV room audio to bathroom in hotel rooms, counter calls, remote speakers etc.

Features

  • 20W 4 Ohm output

  • Class D amplifier module

  • Dual inputs sources

  • 24V DC overriding

  • Volume adjustment remotely

  • Source selectable via VC7001

  • Compact size

Technical Specifications

Rating

Operating voltage

Current 

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Amplifier type

Inputs

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Input connector

Input sensitivity

Max input

Input impedance

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Output

Output connector

Controls

Volume controller

Freq response

S/N ratio

THD + Noise

Protections

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Dimensions (WxHxD)

Weight

20W 4 Ohm

220-240V ac : 50/60 Hz

Idle : 1.55W
Full load : 5.5W

Class D

2 x mono : unbal.line

100V line audio

24V DC overriding

Detachable phoenix

800 mV

1V rms ( +4dBU )

10 K Ohm

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4 Ohm

Detachable phoenix

External Vol & source

Amperes VC7001

20-20 kHz

> 70dB@ 1kHz +/-3dB

0.24%

Thermal, short circuit

Overload, ac fuse

140 x 55 x 95 mm

820 g

Documents

Catalogue

ACAD Image 

Application Example
PA322 application

From central PA system

(essential broadcast)

Room TV ( Source 1 )

Room Player ( Source 2 )

Amperes VC7001

source selector and volume controller

PA322

2x 100V audio
2x 24V DC overriding

unbalanced audio

unbalanced audio

Cat5e

Speaker cable

4 / 8 Ohm speaker