audio-technica AT- CDL7 CD lens cleaner

Clean your CD player's lens by playing the AT-CDL7's as you would a normal CD. The AT-CDL7 has several types of brushes that enable it to efficiently clean your CD player's lens. For example a wet brush made from special materials that easily absord the cleaning fluid and a special pipe brush.

In addition the CD includes audio tracks to check various parameters of your setup including

speaker connections (left, right and mono)

signal to noise (0 db / -40db / 60 db)

resonance check ( 500 Hz / 250 Hz / 100 Hz / 50 Hz / 26 Hz)

Play back range check (20 Hz - 20 kHz)

For types of sound effects ( morning sound, street sounds, waves and game sound)

Background music

Please note that this cleaner will not function with all CD players hereunder Slot-in type drives, changers,  car mounted drives etc.