I agree with Pat about Craig's List. Don't overlook DJ equipment there as well. My Son in law gave me some gear when he sold off his DJ business and one piece was hardware single rack sonic enhancer with bass boost that I don't recall the brand and model at the moment but can get the info off the unit if anyone is interested. It creates and restores harmonics to MP3 files and it does up the sound quality at a noticeable level.

The other unit is a dedicated dual SD player. It has big buttons and knobs designed to be used in the dark environment of live gigs. The model I have is discontinued (except for places like ---- Craig's List) but here is the old web page description.

American Audio SD/1 Dual SD Card Player


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