Skip to content

RA 704 RT


4 channel Plug & Play amplifier with integrated DSP

  • 4-channel Plug & Play amplifier? With integrated DSP

Immediately improve the original sound of your vehicle, without cutting the original beams, enjoy more power and dynamics. Create your sound by adjusting its integrated digital sound processor (DSP) using the dedicated application on your smartphone.

BLAM wishes you long hours of enjoyment!


RMS power (4 ohms)
70 W x 4 when powered directly from Battery
RMS power (4 ohms)
50 W x 4 when powered by OEM? Wires
Frequency response
20 Hz ~ 20 KHz
1 KHz <0,1%
Supply voltage range
9 V - 15 V
Signal/Noise ratio
> 90 dB
Standby current
< 0,4 mA
Class-D amp efficiency
Maximum operating current
30 A
(L x W x H): 184 x 114 x 38 mm


Sigma DSP 28-/56-bit 50 MIPS digital audio processor 24-bit stereo audio ADC and DAC: >98 dB SNR Sampling rates 96 kHz


Plug and play in-car installation without cutting original wires - Bluetooth connectivity and DSP control via Smart Phone App - Adjustable Time Alignment from 0 to 400 cm for each speaker - Independent 7 Band Graphic EQ for Front and Rear Speakers - 5 different pre-set EQ, Classical, Rock, Theater, Jazz, Pop, Bass Booster - SRS 3D Surround sound - Dynamic Bass setting - Easy phase change and speaker mutation by APPS - 4 RCA Output for additional amplifier - Extra power supply terminal for incremental power


RA704RT schemas