I have two bachmann ho turnout left and right can use one decoder for one turnout and one decoder for other one can use a power track and use it to hook them one on left and the other one the right.

Name: Bachmann Trackside Turnout Decoder -- With Electrical Cabinet Housing - HO
Brand: Bachmann
SKU: 160-44950
Price: 27.72 USD
Availability: InStock

Yes, each turnout would require its own decoder.

Bachmann - Trackside Turnout Decoder -- With Electrical Cabinet Housing - HO

Item Number: 160-44950

MSRP: ~~$48.00~~

You Save: 42%

Your Price: $27.72

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The Bachmann Trackside Turnout Decoder is housed in a realistic trackside electrical bungalow structure. The decoder allows you to operate your E-Z Track remote-control turnouts by simply plugging in one decoder per turnout and controlling them with your DCC system. Advanced modelers can hardwire the decoder to their turnout motors following the manufacturer instructions.

Additional Product Information

Manufacturer/Brand: Bachmann
Mfg Part #: 44950
Choking Hazard - May contain small parts. Not for children under 3 yrs.
Model railroad items are not intended for unsupervised children under 14 years of age.
UPC: 022899449500