Audio Installation

SLA 50


Amplifier 2 x 25 W @ 4 Ohm

SLA 5o is an ultra-compact 2 x 25 W class D amplifier, designed for fixed installations that require high quality amplification. It can be controlled via RS 485 / DMX or VCO protocol (0-5V), with a channel that allows controlling the gain of both L and R channels or putting the unit in standby mode. In DMX mode, a block of dip-switches allows you to configure the start channel. For RS 485 control, it supports ASCII control commands from an external controller, allowing multiple units to be bridged together. It is perfectly suitable for installation and ceiling speaker systems. Thanks to their small size and DIN-rail format, integration is easier than ever and they go unnoticed during installation.


  • Class D amplifier.
  • RS485 and DMX control.
  • DIN rail for installation.
TypeLow impedance
Power2 x 25 W @ 4 Ohm
Frequency Response20 Hz - 20 KHz
Gain20 dB
Input Sensitvity1 V / 2.2 dBU
Input Impedance22 KOhm
DMX channels1
DMX value0% - 10% (OFF-Standby) / 11% - 100% (Volume)
ControlsDipswitch block (10p) for DMX configuration, RS485 and DMX control
ProtectionsTemperature, short circuit with recovery
Power supplyDC 24 V
Consumption60 W; 0.6 W idle
Dimensions90 x 81 x 42 mm

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