Sound quality is very good and it can drive 4-8 ohm speakers.Features:TPA3116 stereo audio power amplifier chip.Sound quality is very good， strong amplifying power.Dual channel 2*100W， high efficiency and low-heat.Powered by DC 12-24V， wide input voltage.Applicable speaker impedance: 4-8 ohm.Just connect the power supply and loudspeaker box， enjoy the pure digital music!Notice:This amplifier board must be powered by DC power(DC12-24V)， it's better to use high-performance switch power. Don't use transformer!Specifications:Supply Voltage: DC 12-24VChip: TPA3116Channel Type: Two-channel StereoOutput Power: 2*100WInput Impedance: 51K*2Output Match: 4-8 ohmAudio Output: TerminalsFrequency Response Range: 14-100KHzSNR: 100dBPCB Board Size: 105 * 65 * 23mm / 4.13 * 2.56 * 0.9in (L * W * H)Weight: 81g / 8.01ozPackage Size: 13.5 * 11 * 5cm / 5.31 * 4.33 * 1.97in (L * W * H)Package Weight: 140g / 4.94oz Package List:1 * Digital Amplifier Board1 * Audio Cable"
