Recording Bluetooth Function Home Car Dual-purpose Power Amplifier $ 31.62 Product information: Model: BT-309A-A Item No.: BT-309A-A Size: Machine size: 2019.65.8CM Color box packing size: 2124.56CM Rated voltage: 220V/12V Rated power: 50W+50W Rated frequency: 50 Resolution: 20-20KHZ Distortion rate: 0.1 Signal to noise ratio: 80 Impedance: 4-16 Material: Iron Interface type: wire clamp Receiving method: FM Weight: 1.4 (KG) Whether the stage: HiFi Whether to support APP: not supported Channel: 2.0 channel Applicable people: the public Colour: Black Packing list : Color box packaging, English manual, remote control *1