Model CR-80,SS is equipped with a built-in 4-channel power amplifier and 4 Speaker Jacks for INSTANT 4-channel or 2-channel operation. This compact unit makes 4-channel stereo recording a "cinch" even where space is a factor. The same AKAI robust mechanism for top rate performance and endurance. One-Micron Gap Recording/Playback Head for amazing frequency response to 16,000 Hz.