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DLS ULTIMATE A4 4 Channel Amplifier
DLS Ultimate A4 - 4 Channel Amplifier
ULTIMATE series A4 is a powerful 4-channel amplifier rated at 4 x 50 Watts. Provides a typical 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 can be switched on the filter so that two of the channels can be used for mid-range woofers.
 
DLS

RMS output per channel at 13,8 volts,
20 Hz - 20 kHz , < 0,1% distortion.
Mode : AB

Nominal power in 4 ohm : 4 x 50 W
Typical power in 4 ohm : 4 x 85 W
Typical power in 2 ohm : 4 x 145 W
Typical power in 1 ohm : 4 x 220 W
Typical power in 4 ohm bridge mode : 2 x 250 W
Typical power in 2 ohm bridge mode : 2 x 400 W

S / N ratio, A-weighted : > 100 dB
Damping factor : > 200
Input impedance : > 10 kohm
Input sensitivity, variable : 0,2 - 7 V
Filter front channels : Lowpass: 50-125 Hz. Highpass: 20-200 Hz / 60-600 Hz
Filter rear channels : Lowpass: 45-200 Hz / 90-400 Hz. Highpass: 20-200 Hz
Terminal for external cooling fan : Yes
Dual DC-inputs : Yes
Current draw, idle : 1,5 A
Current draw, maximum : 95 A
Dimensions W x D x H : 465 x 240 x 73 mm (18,30 x 9,45 x 2,87 inch)
Weight : 6,6 kg ( 14,55 lb)
M.S.R.P $1,780.00
M.A.P $1,483.00