FX4U PAGE
FX4U
FEATURES
• High volume output - with low power drain
AutoVol© Automatic volume level The volume increases automatically  with loco speed
•  Manual volume control
•  Digital Sound from digital recordings - of real locomotives for greatest realism
•  Engine sound is fully proportional to loco speed
•  Easy Installation - just needs a screwdriver
•  Reverse power protection
•  Power failure detection
•  Directly compatible - with Mac•five, IMP, CHIMP, SS-3 Super Shuttle and similar pulse power controllers
•  Ancillary Sound Effects - (fixed length, switch operated) such as two tone horns for diesel and whistle for steam locos.
 •  Speaker supplied - choice of 77mm or 66mm 8 ohm
•  Optional Extras  
(1) Radio control input - to operate two tone horns
•  Re-programmable in a FLASH!
No need to buy new chips if you want to upgrade a recording

Two versions
FX-4U/2..2 watt amplifier      FX-4U/5..5 watt amplifier

Also available!
The FX-2A interface module, enables the FX-4U to be used on 2 rail and large battery locos in 5” & 7¼”  gauge. This allows connection to almost any controller!
Mac•five2
CHIMP
Mac•five3
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