Product Description

Preview Specifications

DLS Reference RA20 - 440 W 4CH Amplifier

DLS REFERENCE series RA20 is a two-channel amplifier. Provides a power output of 2 x 130 Watts with 4-ohm stereo and 440 Watts with 4 ohm mono bridge connection.

- Built-in variable 40-125 Hz switchable low pass filter for subwoofers.
- Built-in/switchable variable 20-150 Hz high pass filter that can be used as a subsonic filter or high-pass filter for front systems.
- Grand bass 0-18 dB.
- Phase shift control.
- High level input with automatic start.
- RMS output per channel @ 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion.

Number of channels	2
Amplifier class	AB
Mono bridge mode 4 ohm	440 W RMS
Output power in 2 ohm	2 x 200 W RMS
Output power in 4 ohm	2 x 130 W RMS
Damping factor	> 200
S/N ratio, A-weighted	> 100 dB
Frequency range	10 Hz - 50 kHz
Input sensitivity	0,2 - 7 V
Input impedance	> 10 kohm
Input impedance, high level	330 ohm
High pass filter	20 - 150 Hz
Low pass filter	40 - 125 Hz
Grand bass filter	0-18 dB @ 40 Hz
Low level output	No
Phase control for subwoofers	0-180 degrees cont. variable
High level input with auto start	Yes
Power consumption (idle)	0,6 A
Power consumption (max)	50 A
Rec. power cable	Minimum 4AWG / 21 mm2
Fuses	2 x 25 A
Dimension (W x D x H)	359 x 245 x 59 mm (14,1 x 9,65 x 2,33 inch)
Weight	3,8 kg ( 8,4 lb)