FFA 6004

Full power delivery all channels driven simultaneously loaded 4 ohms


Very useful and versatile multimode amplifiers, suited for large scale touring point source or line array systems. Equally suited in less demanding bass applications. Very installation friendly and ideal for bi amp stage monitoring systems or multi point theatre installations. Proprietary high efficiency FFA Class D output stage coupled with high current switch mode supply enables high power delivery even in the harshest environmental conditions.

Key features

• 4 x 1500 Watts @ 4 Ohms
• Power efficient and cool running
• Rugged Tour class Aluminium construction
• Light weight - 10 kg
• FFA Class D technology
• High current switch mode power supply
• Side chain TCA clip limiter
• Hand built and designed in England
• Bi amp Neutrik® speakON outputs
• Signal Link through
• Neutrik® powerCON power input
• PSU soft start
• 5 year factory warranty


Bi amplified stage monitor systems, components within large format touring or installation loudspeakers low mid, high mid and HF, 4 ohm drive.

Medium to large full range loudspeakers 10”-15” drivers + 1” 1.5” HF.

Low mid, high and HF in larger multi way systems installed or touring.

High power stage monitors 2×12” or 15” +1.5” Medium bass 2×12” 15” or 1×18”.

FFA 6004
FFA 6004

Technical specification

Power Ratings
FFA - 6004 - 4 x 900W 8 Ohm, 4 x 1500W 4 Ohm
32 dB
Typical 0.05 4 Ohm 1kHz THD+N
Frequency Response
20Hz - 20kHz +- 0.5dB
40 Point Potentiometer per channel, power on switch
signal green = -20dB, signal yellow = -3dB, red signal = clip, signal red protect = over current, low AC mains or 3 sec. mute on power up
Load Protection
DC on output, side chain TCA clip limiter circuit
Amplifier Protection
Short circuit, current overload, thermal shutdown, high frequency stability circuit
Audio Signal Inputs
Balanced Neutrik® Female XLR input connected Pin 1 - GND, Pin 2 - Hot +, Pin 3 - Cold - . XLR Male signal throughput each channel
Audio Signal Outputs
Neutrik® speakON each channel. Channels 1 and 3 output speakON utilises 2+ and 2- connection to allow use of 4 core loudspeaker cable for bi amp loudspeaker system for example stage monitor system
Power Requirement
1 x Neutrik® 20A powerCON connector 1 x 16A 230 VAC Circuit. Power range 185V-230VAC 120V (configured at factory)
System Cooling
High CFM 80mm fan with proportional signal speed control. Rear to front airflow
88mm Height x 483mm Width x 510mm Depth. Includes rear rack support. 19" rack mount enclosure
10 kg


FFA 6004 Datasheet
FFA Users Manual
DSP Software
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