Key Features: Built on a solid steel chassis for durability, akin to professional DAT/cassette recorders Balanced XLR mic/line inputs with +48 V phantom power, switchable limiters, bass cutoff, and attenuator settings Multiple I/O options: RCA unbalanced line‑out, coaxial & optical SPDIF, plus a USB audio interface for real‑time transfer to Mac/PC 40+ second memory buffer and 6‑second pre‑record to prevent dropouts On‑board editing (divide, combine, erase, move, name tracks/discs) Intuitive front panel controls with large illuminated LCD, soft‑keys, key‑hold lock, and user presets Recording Capacity & Power Records up to 80 minutes in stereo, or 160 minutes in mono, with ATRAC 4.5 compression Powered by 8 × AA batteries (alkaline or NiMH rechargeable, supplied), external 12–14 V DC, or onboard NiMH charging via the supplied AC adapter USB output enables instant transfer and editing on modern laptops and DAWs — rare in MiniDisc recorders Designed for reliable field use: heavy build, responsive transport controls, built‑in speaker, internal mono mic for track tagging or identification Trusted by reporting and broadcast professionals for its sound quality and stability Included: HHB MDP‑500 recorder unit AC adapter / charger Eight NiMH rechargeable AA batteries Carry case