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ULTIMATE A3 - 1000 Watt power amplifier


ULTIMATE series A3 is a powerful two-channel amplifier. A true, dual mono block with separate power sources that provides power output of 2 x 150 Watts with 4 ohm stereo and 550/870 Watts with 4/2 ohm mono bridge connection. The amplifier is 1 ohm stable. Click here if you want to look at DLS competion cars from the whole world.

- Built-in fan control.
- Built-in, variable 50-125 Hz switchable low pass filter for subwoofers.
- Built-in variable 20-200 Hz. high pass filter that can be used as a subsonic filter or high pass filter for front systems.
- Dual power terminals where you can connect dual power feeds or a DLS Power Cap.
- Phase shift button when you use it as a subwoofer amplifier.
- RMS output per channel @ 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion.

This product is discontinued

Number of channels2
Amplifier classAB
Output power in 1 ohm2 x 425 W RMS
Output power in 2 ohm2 x 270 W RMS
Output power in 4 ohm2 x 150 W RMS
Mono bridge mode 4 ohm550 W RMS
Mono bridge mode 2 ohm870 W RMS
Mono bridge mode 1.33 ohm1000 W RMS
Damping factor> 200
S/N ratio, A-weighted> 100 dB
Frequency range10 Hz - 50 kHz
Input sensitivity0,2 - 7 Volt
Input impedance> 10kohm
High pass filter20 - 200 Hz
Low pass filter50 - 125 Hz
Low level outputNo
External cooling fan terminalYes
Dual DC inputsYes
Remote bass level controlNo
Remote phase shift controlNo
High level input with auto startNo
Integrated fanNo
Power consumption (idle)1,1 A
Power consumption (max)140 A
Rec. power cableMinimum 2AWG / 33 mm2
Fuses4 x 30 A
Dimension (W x D x H)410 x 240 x 73 mm (16,15 x 9,45 x 2,87 inch)
Weight6,2 kg ( 13,67 lb)
EAN Bar code7331644024507

Article number(s)

 Car Audio amplifiers
1 channel mono amplifiers
2 channel stereo amplifiers
Multi channel amplifiers
Accessories for amplifiers
Discontinued amplifier models
 Car Audio speakers
2 & 3-way systems
DLS Scandinavia
Coaxial speakers
Midrange speakers
Active subwoofer boxes
 Marine/Outdoor Speaker
Marine speakers
Marine amplifiers
Outdoor Speaker
Connectors, fuse holders etc.
Speaker grilles
Bass ports

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