An inkjet printhead includes a printhead die including: a first nozzle array that is configured to be fed with ink by a first ink feed; and a second nozzle array that is configured to be fed with ink by a second ink feed; and a mounting substrate including: a surface to which the printhead die is attached; a first layer including a first ink channel having an opening disposed at the surface; a second layer including a second ink channel having an opening disposed at the surface; and a third layer disposed between the first layer and the second layer, wherein the printhead die is attached to the first layer, the second layer and the third layer, and wherein the first ink channel opening is fluidically connected to the first ink feed, and the second ink channel opening is fluidically connected to the second ink feed.