A channel member comprising: an integrating channel (22, 26) extending in a first direction, a plurality of common channels (20, 24): each extending in a second direction that crosses the first direction; aligned in the first direction at a distance; and each connected to the integrating channel (22, 26); a plurality of individual channels (12, 14) connected to the plurality of common channels (20, 24), respectively; a first channel member, wherein the first channel member has a multilayer structure obtained by stacking a plurality of plates (4a to 41) fabricated by metal; and a plurality of ejection holes each being in communication with at least corresponding one of the plurality of individual channels (12, 14), wherein each of the plurality of common channels (20, 24) comprises: a first connection region to which the plurality of individual channels (12, 14) are connected; and a second connection region (90A, 90B) connected to the integrating channel (22, 26), the first connection region and the second connection region (90A, 90B) being separated in the second direction; an opening (20a, 24a) disposed in the second connection region (90A, 90B) and being in communication with the integrating channel (22, 26); and a damper (91A, 91B) disposed in a portion of the second connection region (90A, 90B), the portion facing the opening, wherein each of the common channels (20, 24) is surrounded by a plurality of walls, the damper (91A, 91B) comprises: a thin portion of a plate of the plurality of plates (4a to 41) fabricated by metal, having a wall thickness smaller than those of the other portions, and a damper chamber which is a space located on the opposite side to the common channel (20, 24) sandwiching the small thickness portion therebetween. an integrating channel (22, 26) extending in a first direction, a plurality of common channels (20, 24): each extending in a second direction that crosses the first direction; aligned in the first direction at a distance; and each connected to the integrating channel (22, 26); a plurality of individual channels (12, 14) connected to the plurality of common channels (20, 24), respectively; each extending in a second direction that crosses the first direction; aligned in the first direction at a distance; and each connected to the integrating channel (22, 26); a plurality of individual channels (12, 14) connected to the plurality of common channels (20, 24), respectively; a first channel member, wherein the first channel member has a multilayer structure obtained by stacking a plurality of plates (4a to 41) fabricated by metal; and a plurality of ejection holes each being in communication with at least corresponding one of the plurality of individual channels (12, 14), wherein each of the plurality of common channels (20, 24) comprises: a first connection region to which the plurality of individual channels (12, 14) are connected; and a second connection region (90A, 90B) connected to the integrating channel (22, 26), the first connection region and the second connection region (90A, 90B) being separated in the second direction; an opening (20a, 24a) disposed in the second connection region (90A, 90B) and being in communication with the integrating channel (22, 26); and a damper (91A, 91B) disposed in a portion of the second connection region (90A, 90B), the portion facing the opening, wherein a first connection region to which the plurality of individual channels (12, 14) are connected; and a second connection region (90A, 90B) connected to the integrating channel (22, 26), the first connection region and the second connection region (90A, 90B) being separated in the second direction; an opening (20a, 24a) disposed in the second connection region (90A, 90B) and being in communication with the integrating channel (22, 26); and a damper (91A, 91B) disposed in a portion of the second connection region (90A, 90B), the portion facing the opening, wherein each of the common channels (20, 24) is surrounded by a plurality of walls, the damper (91A, 91B) comprises: a thin portion of a plate of the plurality of plates (4a to 41) fabricated by metal, having a wall thickness smaller than those of the other portions, and a damper chamber which is a space located on the opposite side to the common channel (20, 24) sandwiching the small thickness portion therebetween. a thin portion of a plate of the plurality of plates (4a to 41) fabricated by metal, having a wall thickness smaller than those of the other portions, and a damper chamber which is a space located on the opposite side to the common channel (20, 24) sandwiching the small thickness portion therebetween.