master 88BAC Strikemaster · 1 Desn and development · 2 Operational history · 3 Variants. 3.1 Production · 4 Operators · 5 Specifications (Strikemaster Mk 88) · 6 See also · 7Power Amplifier Karaoke MASTER BT-88 - Bisa bluetooth,usb, sd card, FM radio - Setting audio control - setting mic karaoke - 4 mic input