Cheap amplifier board, Buy Quality amplifier circuit board directly from China amplifier pcb board Suppliers: TPA3116D2 Sound Quality Power Amplifier Board 50W *2 +100W 2.1 Channel Digital Subwoofer Power Amplifier Board DC12V-24V
Features:Adopts two high quality TPA3116D2 digital amplifier chips.Sound quality is very good, high efficiency and amplifying power.50W*2+100W 2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.Powered by DC 12-24V, wide input voltage.User can adjust the volume by themselves easily.Applicable speaker impedance: 4-8 ohm.Just connect the power supply and loudspeaker box, enjoy the pure digital music!Specifications:Supply Voltage: DC 12-24VChip: TPA3116*2Channel Type: 3 Channels(Left Channel, Right Channel, Subwoofer)Output Power: 50W*2 + 100W*1 SubwooferOutput Match: 4-8 ohmAudio Output: TerminalsFrequency Response Range: 14-100KHzSNR: 100dBSwitching Frequency: 1.2MHzWeight: approx. 107gSize: approx. 100 x 85 x 29mm/3.93 x 3.34 x 1.14\'\'Notes: Please allow 1-3cm error due to manual measurement and there will be different color as different display, please understand. Thanks.1 x 2.1 Channel Digital Subwoofer Power Amplifier Board