DCC Concepts DCD-AUX Cobalt Alpha Box Unit Brand: DCC Concepts Part Number: DCD-AUX Scale / Type: N / HO / OO / O / Gauge 1 / G Scales Our Code: DCDCD-AUX Alpha-Box is a five-amp semi-intelligent DCC~Digital control booster interface that will allow DC or AC based layouts to take advantage of digital control with no need to convert all other operations to DCC. Alpha Box is also the perfect way for those with basic DCC systems to add to their accessory control ability without changing their DCC system. Designed to work perfectly with Cobalt Alpha, the Alpha Box can also be used as a 5 amp booster for NCE Power Cab and other DCC systems. Presented in a sophisticated aluminium case, the a-Box is a high quality addition to your DCC system. A 5 amp 12~18v regulated DC power supply is needed. To use this item as a 3.5A power supply you will need a DCC63 Power supply and the DCC64 Power cable. If you want to use the Alpha system as a booster you will need to use a DCC Concepts Alpha Power 5 amp DC/DCC Power Supply.