4ch R-125.4 Audiosystem

4-channel Class A/B HIFI-amplifier with SMD technology
variable switchable Subsonic
HP, LP, BP filter, full active mode
efficient 3-time ON TOP cooling system
 RTC (optional)
FSA (Fronttage Adjuster)
RCA-high-level-input or adjustable signal dedection with
automatically „TURN ON“
PCBA-Cooling System
4x 125(220) WRMS @4(2) Ohm or
2x 440 WRMS @4 Ohm
325 x 50 x 185 mm
https://en.audio-system.de/wp-content/uploads/2021/12/R-110.4-R-110.4-24V-R250.2-M-90.4-M-135.2-Manual-210607.pdf