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Zoom H4essential Recorder


32-Bit Float Recording for All

The Zoom H4essential offers an entry-level professional recorder with true 4-channel input capability. With four tracks, advanced X/Y mics and 2 XLR/TRS inputs, creators have more ways to record their music, podcasts, and audio-for-video. This recorder features 32-bit float recording, meaning you never have to adjust levels.  The H4essential captures every nuance of your sound ensuring high-quality, clip-free audio in every take.

The headphone / line output can be connected to the AUX input of your marine stereo or PA system. Sound from the external microphone (hydrophone) inputs can be monitored even while not recording--allowing it to be used as a high-quality mic preamp when not recording.

Aquarian Notes: Use with any of our H2 hydrophones. We recommend the H2dX for best connection integrity and highest dynamic range. This recorder will also work well with our PA6 hydrophone preamp. The PA6 will provide very high sensitivity when used with our H1a-BNC, or will provide the appropriate interface for our AS-1 broadband hydrophone.

Zoom H4essential Digital Recorder Features:

  • Sound Pressure Level: The 2 XLR/TRS combo inputs feature Zoom’s ultra-clean preamps that supports phantom power and +4dBu professional line level input. The onboard X/Y microphones can capture sound up to a thunderous 130 dB SPL, equivalent to a rock concert.
  • Record And Stream: Stream in 32-bit float while simultaneously recording to an SD card. When connected to a PC, Mac, iOS, or Android device using the USB-C Port, the H4essential can be used as a 4-in/2-out audio interface.
  • Mix. Monitor. Record.: Use the built-in mixer to easily adjust each track’s audio level. It also has a waveform display so you can see your audio as it records.
  • Pair With Your Ios Device: Use the BTA-1* Bluetooth Adapter to pair with your iOS device to remotely hit record, adjust your mix, view your waveforms, and change settings.
  • Bluetooth Timecode Sync: With the BTA-1* Bluetooth Adapter you can also pair with Bluetooth timecode devices for audio and video sync. *Please note: BTA-1 Adapter not included
  • Soft Touch Controls: Recording and rotary controls have been designed to allow for quiet operation.
  • Built-In Speaker: You can use the built-in speaker to listen to your recordings for quick reference.
  • In And Out: Use the 3.5mm line output for headphones or to connect to a camera. The H4essential also features a 3.5mm mic/line input.
  • Brilliant Color Display: The new, vivid full-color LCD screen makes it easy to navigate through the H4essential’s menu and functions.
  • Accessibility for the blind and visually impaired: Navigate the menu with audible descriptions through the built-in speaker or headphones.
  • High Capacity Storage: The H4essential supports SDXC cards up to 1TB to record hours and hours of audio.

NOTE: SDHC memory card is not included and is required for operation.














Pictured: Our H2dX headphone (3m cable length) used with the Zoom H4essential and a pair of headphones

  H4essential Specs      
  Input and output channels Inputs Built-in mic (stereo) 1
      XLR/TRS 2
      MIC/LINE IN 1
    Outputs Headphones 1
    Built-in speaker (mono) 1
  Inputs Built-in mic 90º XY stereo format  
      Directionality Unidirectional
      Sensitivity –43 dB/1 Pa at 1 kHz
      Maximum sound pressure
130 dB SPL
    XLR/TRS Connector XLR/TRS combo jacks ×2
        (XLR:2 HOT TRS:TIP HOT)
      Input gain Adjustment unnecessary
      Input impedance XLR : 3 kΩ or more TRS : 3 kΩ or more
      Maximum input level XLR : +4 dBu TRS : +24 dBu
      Phantom power +48 V
  Channel total 10 mA or less
      Equivalent input noise -120 dBu or less(IHF-A) @150 Ω input
    MIC/LINE IN Connector Stereo mini jack ×1
    (supports plug-in power) Input gain Adjustment unnecessary
      Input impedance 2 kΩ or more
  Outputs Headphones Connector Stereo mini jack ×1
      Maximum output level 20 mW + 20 mW(into 32 Ω load)
      Output impedance 15 Ω or less
    Built-in speaker   250 mW 8 Ω mono speaker
  Recorder   Maximum simultaneous
recording tracks
      Maximum simultaneous
playback tracks
      Recording formats WAV
        44.1/48/96 kHz,
        32-bit float mono/stereo
        BWF and iXML formats supported
      Recording media 4-32GB cards compatible with the
        microSDHC specification
        64GB–1TB cards compatible with the
        microSDXC specification
  Display     2.0-inch full-color LCD(360 x 240)
  USB Connector   USB Type-C
        • Use a USB cable that supports data transfer.
          USB bus power is supported.
    USB Mic   USB2.0 High Speed
        44.1/48 kHz
        24-bit /32-bit float
    File transfer   USB2.0 High Speed
  Remote     Dedicated wireless adapter(ZOOM BTA-1)
  Power     4 AA batteries (alkaline, NiMH or
        AC adapter(ZOOM AD-17):DC 5V/1A
        • USB bus power is supported.
  Estimated continuous operation times using 2-track recording (built-in Alkaline batteries: about 9 hours
  batteries XY mic), 48 kHz/32-bit float, NiMH batteries (1900 mAh): about 14 hours
  • These values are approximate. phantom power off, no   Lithium batteries: about 20 hours
  • Continuous battery operation times were headphones, no remote,    
  determined using in-house testing methods. display power saving on  
  They will vary greatly according to use      
  Power consumption     3 W maximum
  Dimensions     66.9 mm (W) × 156.1 mm (D) × 38.0 mm (H)
  Weight (including batteries)     226g