Product Specifications Channel: 2.0 Channel (Left Channel + Right Channel) Bluetooth Version: 5.3 Power: RMS 50W Signal-to-Noise Ratio: ≧85dB Distortion: <1% Frequency Response: 45HZ-20KHZ Power Input: DC 21V Audio Source Input: Bluetooth + Optical Fiber + RCA + USB (Sound Card) Audio Output: SUB Status Indicator: RGB / Tri-color LED U Disk System Format: Upgrade User FAT32, Playback Use NTFS Control Method: Buttons / Knobs / Remote Control Sound Effects: Music / Cinema / Dialogue Main Unit Dimensions: 135MM * 137MM * 198MM Sub Unit Dimensions: 135MM * 137MM * 198MM Main Unit: MDF + ABS Sub Unit: MDF + ABS Hardware: Mainboard Model: SY-BK4320E_BP18D Main Control Chip: BP1048B1 Amplifier Chip: TPA3118 Tweeter: 1-inch dome tweeter MXY20-G06 / 8Ω 10W / 20-core tweeter head black plastic bracket transparent silk film tweeter *2 Mid-bass Speaker: 3-inch mid-bass MXY78-04 / 6Ω 15W round return edge black diamond frame rubber edge black fiberglass cone black cloth cap 20-core 60 single magnet *2 Package Contents Power Input: standard wall plug power supply / 21V1.5A (peak power ≥90W) / 100-240V / DC head 90-degree elbow / 5.5MM / 2.1MM / DC cable length 1.5M Remote Control: Neutral User Manual: Manual / 100*130MM / Color printing / According to design draft / Foldout (neutral) Optical Fiber Cable: Optical fiber cable OD: 2.2mm / Black / L=1.8m (add white + bag with silk screen printing) Audio Cable: Green straight head 3.5st TO 2RCA (white red) with shielding Main-Sub Unit Connection Cable: Main-sub unit connection cable; Specification: Wire gauge #22-2P + black RCA head at both ends, L=2.5M

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