A range of accessories is available:
SQN-PS2
 Power Supply suitable for SQN-2S, SQN-3M (Series 3000 onward), or SQN-4S mixers. 100-260Vac input, UK or Euro plug. This power supply plugs directly into a wall outlet and operates over its full voltage range without adjustment.
SQN-PAG
 Short coiled cable for powering SQN-2S, SQN-3M Series 3-4000 or SQN-4S mixers from PAG BP-90 camera battery
SQN-NP1
 Sleeve adaptor with short coiled cable for powering SQN-2S, SQN-3M (Series 3000 onward) or SQN-4S mixers from Sony NP-1 battery
SQN-NP2
 Sleeve adaptor with male and female 4-Pin HRS output connectors from Sony NP-1 battery