32-Bit Float Magic With 32-bit float recording, you never have to adjust levels. The H1essential captures every nuance of your sound ensuring high-quality audio with every take. Loud and Clear The onboard X/Y microphones capture clean audio up to 120 dB SPL, equivalent to the sound of a high-performance engine. Big Features, Small Package The H1essential has advanced features such as overdubbing, pre-record, auto record, and playback speed adjustment. Specifications: 32-bit float recording: perfect audio with no need to set gain 120 dB SPL 90º XY Mics Records up to 96kHZ sample rate New OLED Display Overdubbing, auto record, pre-record and timer functions USB Microphone Function Audio guidance function for the blind and visually impaired 10 hours of battery life on 2 AAA Batteries or USB-C Bus power INPUTS Built-in mic 90º XY stereo format Directionality Unidirectional Sensitivity –37 dB/1 Pa at 1 kHz Maximum sound pressure input 120 dB SPL MIC/LINE IN jack Connector Stereo mini jack Input impedance 2 kΩ or more Plug-in power 2.5 V Built-in mic 90º XY stereo format Directionality Unidirectional OUTPUTS PHONE / LINE OUT jack Connector Stereo mini jack Maximum output level 20 mW + 20 mW(into 32Ω load) Output impedance 10 Ω or less Built-in speaker Type 20 x 30mm oval dynamic speaker Practical maximum output 250mW RECORDER Recording formats WAV 44.1/48/96 kHz、32-bit Float Stereo / Mono BWF and iXML formats supported Recording media 4–32GB cards compatible with the microSDHC specification 64GB–1TB cards compatible with the microSDXC specification DISPLAY OLED 128 x 64 USB Connector USB Type-C • Use a USB cable that supports data transfer. USB Mic USB 2.0 High Speed 48 kHz, 24-bit File transfer USB 2.0 High Speed POWER 2 AA batteries Alkaline, Lithium, or Rechargeable NiMH AC adapter ZOOM AD-17: DC 5 V/1 A • USB bus power is supported. ESTIMATED CONTINUOUS OPERATION TIME USING BATTERIES Alkaline batteries About 10 hours NiMH batteries (800 mAh) About 9 hours Lithium batteries About 18 hours Stereo recording, 48kHz/32-bit float, no headphones, Power Save 1minThese values are approximate.Continuous battery operation times were determined using in-house testing methods.They will vary greatly according to use conditions. POWER CONSUMPTION 5 W maximum DIMENSIONS 53.9 mm (W) × 136.6 mm (D) × 29.0 mm (H) WEIGHT (INCLUDING BATTERIES) 92 g Note: 0 dBu = 0.775 Vrms