For Eight Guitar Pedals 7 x 9V DC 250mA Outputs 1 x 18V DC 150mA Output Supplies Consistent Current to Pedals Noise-Free Operation. The Electro-Harmonix S8 is a power supply with eight outputs to power eight individual guitar pedals. Seven outputs are rated at 9V DC at 250mA. The eighth output is rated at 18V DC at 150mA. Use this power brick to make sure your pedals are getting consistent current doing so in a way that won’t introduce noise into your effects chain.

Electro-Harmonix S8 -Output Power Supply Multi
$57.55