X-ray inspection apparatus for the non-destructive inspection of objects comprising at least two X-ray radiation sources (7, 9) rotatable about an axis of rotation in a plane of rotation for generating respectively a radiation beam (17, 19) passing through an inspection region, a conveying direction (z) for an inspection object running essentially perpendicular to the plane of rotation, and a detector unit arranged opposite the at least two X-ray radiation sources (7, 9) and having detector elements (27; 27a, 27b) for X-rays, with detector elements (27; 27a, 27b) which are spaced apart by a first distance D1, and a ratio D1/B of the first distance D1 to a width B of a detector element (27; 27a, 27b) is more than 100% and at most 250%, characterized in that the detector elements (27; 27a) are first detector elements for detecting X-rays of a first energy range and second detector elements for detecting X-rays of a second energy range, one of the second detector elements for detecting X-rays of the second energy range being respectively arranged below a corresponding one of the first detector elements, wherein a first detector element and a second detector element respectively forming a unit, and the gap being located between said unit and an adjacent unit the detector elements (27; 27a, 27b) are arranged in the detector unit in the direction of the axis of rotation in respective rows with a plurality of detector elements (27; 27a, 27b), each row representing a detector column (39; 39a, 39b), and the first detector elements (27; 27a) are arranged on a first circular path with a first radius R1', wherein the at least two independently controllable X-ray radiation sources (7, 9) are arranged in the plane of rotation on a second circular path with a second radius R2 around the axis of rotation and are arranged in the plane of rotation at a distance from one another in the circumferential direction with a second distance D2 wherein the first circular path is arranged about a point on the second circular path centrally with respect to the at least two independently controllable X-ray radiation sources (7, 9), and wherein the second distance between the at least two independently drivable X-ray radiation sources (7, 9) is adjusted such that D 2 ≤ 2 R 1 ′ + R 2 2 R 1 ′ B. at least two X-ray radiation sources (7, 9) rotatable about an axis of rotation in a plane of rotation for generating respectively a radiation beam (17, 19) passing through an inspection region, a conveying direction (z) for an inspection object running essentially perpendicular to the plane of rotation, and a detector unit arranged opposite the at least two X-ray radiation sources (7, 9) and having detector elements (27; 27a, 27b) for X-rays, with detector elements (27; 27a, 27b) which are spaced apart by a first distance D1, and a ratio D1/B of the first distance D1 to a width B of a detector element (27; 27a, 27b) is more than 100% and at most 250%, characterized in that the detector elements (27; 27a) are first detector elements for detecting X-rays of a first energy range and second detector elements for detecting X-rays of a second energy range, one of the second detector elements for detecting X-rays of the second energy range being respectively arranged below a corresponding one of the first detector elements, wherein a first detector element and a second detector element respectively forming a unit, and the gap being located between said unit and an adjacent unit the detector elements (27; 27a, 27b) are arranged in the detector unit in the direction of the axis of rotation in respective rows with a plurality of detector elements (27; 27a, 27b), each row representing a detector column (39; 39a, 39b), and the first detector elements (27; 27a) are arranged on a first circular path with a first radius R1', wherein the at least two independently controllable X-ray radiation sources (7, 9) are arranged in the plane of rotation on a second circular path with a second radius R2 around the axis of rotation and are arranged in the plane of rotation at a distance from one another in the circumferential direction with a second distance D2 wherein the first circular path is arranged about a point on the second circular path centrally with respect to the at least two independently controllable X-ray radiation sources (7, 9), and wherein the second distance between the at least two independently drivable X-ray radiation sources (7, 9) is adjusted such that D 2 ≤ 2 R 1 ′ + R 2 2 R 1 ′ B.