An integrated sound bar hinge assembly (300, 400, 680) comprising: a hinge assembly body (210, 350) having a front side; at least one hinge set (320, 340, 440, 450) comprising a first hinge and a second hinge, the first hinge coupled with the hinge assembly body to hingeably couple a first portion of a mobile device to the hinge assembly body and the second hinge coupled with the hinge assembly body to hingeably couple a second portion of the mobile device with the hinge assembly body wherein the first hinge comprises a holding element that holds the first hinge stationary with respect to the hinge assembly body when the hinge assembly body front side is at 180° with respect to the first portion; a first speaker bracket contained in the hinge assembly body adapted to install a first speaker (220, 420, 683) and a second speaker bracket contained in the hinge assembly body adapted to install a second speaker (230, 430, 685), wherein moving the first portion more than 180° with respect to the front side of the hinge assembly body overcomes the holding element so that the hinge assembly body allows the first portion to be rotated 360° from the second portion; and at least one cable electrically connected to the at least one speaker bracket to provide an audio signal to the first and second speaker brackets or speakers: wherein: each hinge comprises a hollow axle; the at least one cable is to run through the hollow axle; the axle of each hinge of the at least one hinge set is enclosed at least in part by the hinge assembly body; and the hinge assembly body includes a forward side, the at least one speaker bracket being located such that an installed speaker is oriented in a direction of the front side of the hinge assembly. a hinge assembly body (210, 350) having a front side; at least one hinge set (320, 340, 440, 450) comprising a first hinge and a second hinge, the first hinge coupled with the hinge assembly body to hingeably couple a first portion of a mobile device to the hinge assembly body and the second hinge coupled with the hinge assembly body to hingeably couple a second portion of the mobile device with the hinge assembly body wherein the first hinge comprises a holding element that holds the first hinge stationary with respect to the hinge assembly body when the hinge assembly body front side is at 180° with respect to the first portion; a first speaker bracket contained in the hinge assembly body adapted to install a first speaker (220, 420, 683) and a second speaker bracket contained in the hinge assembly body adapted to install a second speaker (230, 430, 685), wherein moving the first portion more than 180° with respect to the front side of the hinge assembly body overcomes the holding element so that the hinge assembly body allows the first portion to be rotated 360° from the second portion; and at least one cable electrically connected to the at least one speaker bracket to provide an audio signal to the first and second speaker brackets or speakers: wherein: each hinge comprises a hollow axle; the at least one cable is to run through the hollow axle; the axle of each hinge of the at least one hinge set is enclosed at least in part by the hinge assembly body; and the hinge assembly body includes a forward side, the at least one speaker bracket being located such that an installed speaker is oriented in a direction of the front side of the hinge assembly. each hinge comprises a hollow axle; the at least one cable is to run through the hollow axle; the axle of each hinge of the at least one hinge set is enclosed at least in part by the hinge assembly body; and the hinge assembly body includes a forward side, the at least one speaker bracket being located such that an installed speaker is oriented in a direction of the front side of the hinge assembly.