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DLS A4 Усилвател Ultimate A4 – 880Watts 4-channel




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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.

The Ultimate series amplifiers are known for the good sound quality with a detailed, high resolution sound. The amplifiers are often used in SQ competitions in both IASCA and EMMA competitions. The amplifiers are used in cars winning both European and World championsships.


Number of channels 4
Amplifier class AB
Mono bridge mode 2 ohm 2 x 400 W RMS
Mono bridge mode 4 ohm 2 x 250 W RMS
Output power in 1 ohm 4 x 220 W RMS
Output power in 2 ohm 4 x 145 W RMS
Output power in 4 ohm 4 x 85 W RMS
Damping factor > 200
S/N ratio, A-weighted > 100 dB
Frequency range 10 Hz – 50 kHz
Input impedance, high level N/A
Input sensitivity 0,2 – 7 V
Input impedance > 10 kohm
Filters channel A & B LP: 50-125 Hz. HP: 20-200 Hz / 60-600 Hz
Remote bass level control No
Filters channel C & D LP: 45-200 Hz / 90-400 Hz. HP: 20-200 Hz
Low level output No
Remote phase shift control No
High level input with auto start No
Dual DC inputs Yes
External cooling fan terminal Yes
Power consumption (idle) 1,5 A
Power consumption (max) 95 A
Dimension (W x D x H) 465 x 240 x 73 mm (18,30 x 9,45 x 2,87 inches)
Rec. power cable Minimum 4AWG / 21 mm2
Weight 6,6 kg ( 14,55 lb)

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