1. azden pcs4000. works but needs memory battery. have origional box mike, and books that came with it. only need mobile bracket and tone board. 2. azded 6000 works great use it everyday. Person that had it before me opened it up . Has 2m, 151 meg and railroad 161 meg. Sell both shipped for 150.00 lighthouse211@verizon.net p.s. don't do paypal.