Sony MDX-CA790X has a lot of outstanding features. The ABC Tuner is a Sony's proprietary ABC tuner technology, which can actually adjust the tuner's bandwidth, depending on current environmental conditions such as an improved sound quality and adjacent station interference result. D-Bass (Dynamic Bass) is a Sony's unique low frequency enhancement system. CD Text feature utilizes disc, track and artist information encoded directly on the CD media. Both playback and media components must have CD Text compatibility. Shock Resistant Memory stores the audio data stream from a CD or MD in a memory buffer. If the laser pick-up mistracks, audio still flows from the buffer preventing an interruption.