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Ultimate A4 - 880 Watts 4-channel amplifier


ULTIMATE series A4 is a powerful 4-channel amplifier. The amplifier is 1 ohm stable and provides a power output of 4 x 85 Watts with 4-ohm stereo and 2 x 250/400 Watts with 4/2-ohm mono bridge-connection.

- Built-in variable 50-125 Hz low pass filter for subwoofers on all channels.
- Additionally, a built-in variable 20-200 Hz high pass filter that can be used as a subsonic filter or high-pass filter for front systems.
- The frequency on the filter can be switched so that two of the channels can be used for mid-range woofers.
- Dual power terminals where you can connect dual power feeds or a DLS Power Cap.
- Output for electronically controlled cooling fan.
- RMS output per channel at 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion.

This product is discontinued

Number of channels4
Amplifier classAB
Output power in 1 ohm4 x 220 W RMS
Output power in 2 ohm4 x 145 W RMS
Output power in 4 ohm4 x 85 W RMS
Mono bridge mode 4 ohm2 x 250 W RMS
Mono bridge mode 2 ohm2 x 400 W RMS
Damping factor> 200
S/N ratio, A-weighted> 100 dB
Frequency range10 Hz - 50 kHz
Input sensitivity0,2 - 7 V
Input impedance> 10 kohm
Filters channel A & BLP: 50-125 Hz. HP: 20-200 Hz / 60-600 Hz
Filters channel C & DLP: 45-200 Hz / 90-400 Hz. HP: 20-200 Hz
Low level outputNo
Remote bass level controlNo
Remote phase shift controlNo
High level input with auto startNo
Integrated fanNo
External cooling fan terminalYes
Dual DC inputsYes
Power consumption (idle)1,5 A
Power consumption (max)95 A
Rec. power cableMinimum 4AWG / 21 mm2
Dimension (W x D x H)465 x 240 x 73 mm (18,30 x 9,45 x 2,87 inches)
Weight6,6 kg ( 14,55 lb)
EAN Bar code7331644024705

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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