The Marantz CDR300 Portable CD Field Recorder is a highly portable unit for making high-quality recordings anywhere, recording direct to CD. It provides stereo XLR and 1/4" mic/line inputs, stereo RCA aux input, RCA line out, and digital RCA (S/PDIF) I/O. 3-band master EQ, programmable mic/line EQ, and manual or automatic level control allow you to dial in optimized recorded sound. Features an onboard limiter and is CD-RW compatible. AC power or 4-pin DC connection for use with gel-cell battery packs.