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.

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.

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 

Amplifier type

Inputs

Input connector

Input sensitivity

Max input

Input impedance

Output

Output connector

Controls

Volume controller

Freq response

S/N ratio

THD + Noise

Protections

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

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