Designed to meet the requirements of small to medium sized professional public address installations, delivering an output power of 30W RMS. Frequency response extends from 40Hz to 10kHz at a total harmonic distortion (THD) of less than 0.5%. Output is 100V line only. This unit includes thermal overload shutdown, over current and short circuit protection. With one balanced microphone and two stereo line inputs, with recessed treble and bass controls, it’s perfect for simple installations requiring minimal inputs. VOX circuit on input 1 mutes input 2. Features variable sensitivity and time delay setting.

Features

• Balanced microphone input 
• Built in VOX muting circuit 
• Stereo line inputs • Bass and treble tone controls 
• 240V AC operation 
• Built in short circuit protection 
• Thermal shutdown circuit protection 
• Australian designed and assembled

Specifications

Power output: 30 watts RMS 
Distortion: < 0.5% @ 1kHz 
Output line: 100V 

Signal to Noise Ratio 
All volume controls min, typically 72dB below rated output. 
All inputs display same S/N ratio. 

Frequency Response 
Mic: 52Hz - 10kHz, -3dB 
Line: 40Hz - 10kHz, -3dB 

Input Sensitivity 
Mic input: 2.6mV balanced 
Line inputs: 150mV 

Controls 
Volume 1: Controls mic 1 / line 1 
Volume 2:. Controls line 2 
Bass: ±10dB @ 100Hz 
Treble: ±13dB @ 10kHz 
Power: On/off switch 

Output Connectors 
Speakers: Screw terminals 

Muting 
VOX only (-79dB) 

Input Connectors 
Mic input: 3 pin XLR balanced 
Line inputs: RCA stereo socket, bridged mono 
240V AC power: IEC power connector 
Power supply: 240V AC 
Indicators: Power 
Fuse protection: 1A AC 
1.5A x 2 DC internal 
Size: 300W x 220D x 74H mm 
Weight: ≈4.8kg 
Colour: Black

Warranty

Shop with confidence, this item comes with 1 Year WARRANTY

(A4020A)

12 month warranty

SKU A4020A
Model # A4020A
Barcode # 9321758165195
Brand REDBACK
Unit Of Measure each

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