An inkjet head , comprising: a plurality of nozzles (N) which are configured to eject ink; a plurality of pressure chambers which are respectively communicated with the plurality of nozzles (N) and are provided to be filled with ink; a plurality of pressure generation means which are respectively provided in correspondence with the plurality of pressure chambers , and are configured to apply a pressure to ink inside the pressure chambers ; a circulation flow passage that is provided to be branched from an ink flow passage ranging from an inlet of the pressure chambers to an outlet (Nb) of the nozzles (N), and is capable of discharging ink inside the plurality of pressure chambers ; and a damper that is provided to face the circulation flow passage , and is capable of changing a volume of the circulation flow passage through elastic deformation in correspondence with a pressure, wherein the circulation flow passage includes a plurality of individual circulation flow passages which communicate with the ink flow passage, and a common circulation flow passage through which at least two of the plurality of individual circulation flow passages communicate with each other, wherein the damper includes a second damper that is provided to face the common circulation flow passage , and a first damper that is formed to face a lower surface of the individual circulation flow passage , characterised in that the first damper is constituted by a thin Si substrate of a nozzle layer which is a layer of a nozzle substrate in which the nozzles (N) are formed, and wherein the second damper is provided on at least one side of an upper side and a lower side of the common circulation flow passage , and includes an air chamber , which faces the second damper , on a side opposite to the common circulation flow passage . a plurality of nozzles (N) which are configured to eject ink; a plurality of pressure chambers which are respectively communicated with the plurality of nozzles (N) and are provided to be filled with ink; a plurality of pressure generation means which are respectively provided in correspondence with the plurality of pressure chambers , and are configured to apply a pressure to ink inside the pressure chambers ; a circulation flow passage that is provided to be branched from an ink flow passage ranging from an inlet of the pressure chambers to an outlet (Nb) of the nozzles (N), and is capable of discharging ink inside the plurality of pressure chambers ; and a damper that is provided to face the circulation flow passage , and is capable of changing a volume of the circulation flow passage through elastic deformation in correspondence with a pressure, wherein the circulation flow passage includes a plurality of individual circulation flow passages which communicate with the ink flow passage, and a common circulation flow passage through which at least two of the plurality of individual circulation flow passages communicate with each other, wherein the damper includes a second damper that is provided to face the common circulation flow passage , and a first damper that is formed to face a lower surface of the individual circulation flow passage , characterised in that the first damper is constituted by a thin Si substrate of a nozzle layer which is a layer of a nozzle substrate in which the nozzles (N) are formed, and wherein the second damper is provided on at least one side of an upper side and a lower side of the common circulation flow passage , and includes an air chamber , which faces the second damper , on a side opposite to the common circulation flow passage . <EOS>