GAX-LD1500 Professional Digital Effects Equalizer Karaoke System Stage Sound Effects Audio Processor Specification: – Model: GAX-LD1500 – Power: 110 – 220V – Size: 48.3 x 17 x 6.5cm – Weight: 2.57kg Package Included: – 1 x Audio Processor. Usually it costs about 30USD-50USD. Thanks for your understanding. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days.