• 4-track digital recorder with 2 condenser microphones in 90° X/Y configuration. • Supports up to 130dB SPL. • 2 combo jack/XLR microphone/line inputs of 6.35 mm with high-resolution preamps and +48 V phantom power. • 3.5 mm side Mic/Line minijack input that supports PiP power for lavalier microphones. • Recording formats: 32-bit float WAV, 44.1/48/96 kHz. • Recording on microSDHC/microSDXC card up to 1 TB. • 2" LCD screen. • Port for optional BTA-1 Bluetooth adapter offering remote control via an iOS smartphone and UltraSync Blue synchronization. • USB Type-C High Speed 2.0 class compliant port, compatible with Mac, PC, and iOS. • USB functions: card reader, 4-in/2-out audio interface at 24 or 32 bits at 44.1 or 48 kHz. • 3.5 mm stereo headphone jack output. • 250mW and 8Ω mono speaker. • Operates with 4 LR6/AA batteries (not included, approximate autonomy of 10 to 20 hours at 48 kHz) or optional AD-17 power supply.