A-R630 Stereo Amplifier. Powerful New Amplifier. For sheer power and flexibility the new TEAC A-R630 Amplifier cannot be bettered. You can connect up to 5 other audio inputs as well as 2 video allowing you complete access to your music/video collection through the amplifier. This is a class leading amplifier. 50W + 50W powerful output. 7 inputs - 5 x audio, 2 x video.