Sound playback is not an issue. All parts are complete. There is a scratch (crack) on the surface of the contact microphone. The box, adhesive tape, and other items not shown in the photos are not included. The item will be safely shipped in a cardboard box with cushioning material. LR Baggs Anthem ■ Pickup for acoustic guitar ■ "Tru-Mic" installed under the bridge ■ Blend system with "Element" under-saddle pickup ■ Controls: 　Master Volume 　Microphone Level Control 　Mic and Element Mix Control 　Phase Switch ※ Endpin hole enlargement and saddle slot modification are required.