BOOOLE HIFI stereo Breeze DP1 2.1 HIFI digital power amplifier TPA3116D2 ultra LM1875 1, left and right channel full-range output, at rated voltage 24V state can drive 3-16 European speakers, a very wide range 2, subwoofer at the rated voltage of 24V can be driven 2-16 European state subwoofer, unique 3, bass gain independent adjustment