Servonaut SM7 Electronic Engine Sound Generator for Truck Models

sound module for trucks - successor of the well-established SMX sounds include ignition, 5 horns, compressed-air brake, turbo charger, reverse beeper 5 motors: Actros V6, Scania V8, TGA in-line cylinder, DAF in-line 6 cylinder, Scania in-line 6 cylinder turbo charger, compressed-air, warning beeper and gear change sounds are individually adjustable in volume with the Servonaut CARD (as an accessory) gear change sounds und warning beeper with Servonaut K15/30/40/60, reversing beeper and compressed-air brake with M20+/M24 and S20/S22 as well, fewer functions with ESC from other manufacturers control ignition and horn either with switching input (multiswitch) or a receiver channel with small volume control (potentiometer) that you can hide in your model for 7,2V to 12V loudspeaker with 4 Ohm and up no extra battery needed, can be powered directly from the main battery dimensions ca. 65 mm x 35 mm x 12 mm Attention: If you don't use a Servonaut ESC or combine one with an AIR4 you need an additional Servo Y cable SYBlock for your SM7! Exception: When using M24 and AIR4 you don't need an extra Y cable.