Nakamichi 480z The video site is as follows: https://youtu.be/mmYhxq8IXf0?feature=shared The sound in the video is a direct recording of the speaker's sound outdoors. Ambient outdoor noise is also recorded, but the actual sound is very clear and transparent. Returns, exchanges, and refunds are not possible. No returns to prevent substitution! Please do not purchase this if you are a perfectionist or overly sensitive. Please understand that this is a used item before purchasing.