Harman Kardon Glass 4. Tianlong 35 is a physical stereo design, and the multi-channel amplifier module can present a real stereo effect. Harman Kardon Music Coloured Glass adopts high-quality audio technology, which can provide clear and pure sound quality. Its unique acoustic design makes the sound more balanced, and both bass and treble can be well expressed. This means that whether listening to music or watching movies, people can feel as if they are there and enjoy a very real sound experience. On the whole, Harman Kardon Glass 4 has a better sound quality than Tianlong 35.