FR-AV4

32-Bit Float Recording
Captures quiet and loud sounds clearly while reducing the risk of clipped or unusable audio.

Four Professional Audio Inputs
Connect up to four microphones, wireless receivers, or line-level sources through the XLR/TRS combo inputs.

Ultra-Low-Noise Preamps
Ultra HDDA microphone preamps deliver clean, detailed sound in studios, on location, and in demanding environments.

Six-Track Recording
Records four individual input tracks plus a stereo mix, giving you more control during editing.

Built-In Audio Mixer
Mix four input sources into two outputs directly from the recorder.

Timecode Generator
Keeps audio synchronized with cameras and other production equipment throughout a shoot.

HDMI Audio and Video Sync
Uses HDMI to maintain accurate synchronization between audio and video.

Camera Record Control
Can start and stop recording alongside supported cameras, helping prevent missed takes.

HDMI Video Pass-Through
Passes high-resolution video through the recorder for use with cameras and external monitor recorders.

Expandable HDMI Setup
Connect multiple FR-AV4 units to synchronize recording and support larger multi-microphone productions.

Flexible Recording Formats
Choose recording settings that suit professional video, music, field recording, and post-production workflows.

USB Audio Interface
Works as a multi-channel USB audio interface with computers and mobile devices.

Wireless Monitoring
Supports wireless audio monitoring with an optional Bluetooth adapter.

Mobile App Control
Control recording, monitor audio, and manage multiple compatible TASCAM recorders from a mobile device.

Automatic Mixing
Helps keep dialogue clear by prioritizing active microphones and lowering unused channels.

Built-In Audio Processing
Includes EQ, low-cut filtering, limiting, and noise gating for shaping audio before recording.

Flexible Monitoring
Quickly choose individual channels or combined sources for headphone monitoring.

Touchscreen and Jog Wheel
Provides simple control through a color touchscreen and physical jog wheel.

Ambisonics Recording
Supports spatial audio recording for virtual reality, augmented reality, and immersive productions.

Automatic File Protection
Regularly saves recording data to help reduce the risk of losing audio during unexpected power interruptions.

Multiple Power Options
Runs from AA batteries, USB power, or an optional AC adapter for flexible use in the field or studio.

Quick Battery Swaps
Includes a removable battery holder that makes replacing batteries fast and convenient.

Portable and Rugged Design
The compact aluminum body is built for mobile recording, studio production, and demanding location work.

Secure Cable Connections
HDMI and USB cable-lock support helps prevent accidental disconnections during production.

Complete Recording Package
Includes the FR-AV4 recorder, battery holder, safety guide with warranty, and registration guide.

General Specifications
Device Type: 4-channel field recorder with mixer, timecode generator, HDMI synchronization, and USB audio interface
Maximum Input Channels: 4
Maximum Recording Tracks: 6
Recording Configuration: 4 isolated input tracks plus 2-channel stereo master mix
Analog Dynamic Range: 133 dB or higher
AD Conversion: Dual AD converters
Microphone Preamplifiers: Ultra HDDA
Touchscreen: 1.9-inch color LCD
Primary Control: Touchscreen, jog wheel, function key
Chassis: Aluminum
Ambisonics Support: A-format, B-format, AmbiX, FuMa
Input Delay: 0–300 ms
Output Delay: 0–300 ms
Auto Mix: 4-channel gain sharing, firmware version 1.10 or later

Recording
Recording Media: SD, SDHC, SDXC
Maximum Card Capacity: 512 GB
WAV Format: BWF
WAV Sampling Frequencies: 48 kHz, 96 kHz, 192 kHz
WAV Bit Depth: 24-bit, 32-bit float
MP3 Sampling Frequency: 48 kHz
MP3 Bit Rates: 128 kbps, 192 kbps, 256 kbps, 320 kbps
Metadata Support: BEXT, iXML
Automatic File Save Interval: 20 seconds
Automatic File Closing: Supported

Balanced Analog Inputs
Input Connectors: 4 × XLR/TRS combo jacks
XLR Connector Standard: XLR-3-31 equivalent
XLR Pin Assignment: Pin 1 GND, Pin 2 HOT, Pin 3 COLD
TRS Connector Size: 6.3 mm
TRS Wiring: Tip HOT, Ring COLD, Sleeve GND
Phantom Power: +24 V, +48 V
Phantom Power Availability: XLR microphone inputs only
TRS Phantom Power: Not supported

Microphone Input
Maximum Input Level: +4 dBu
Minimum Input Level: -76 dBu
Input Impedance: 2.0 kΩ or higher

Line Input
Maximum Input Level: +24 dBu
Nominal Input Level: +4 dBu
Input Impedance: 8 kΩ or higher

Camera, External, and Timecode Input
Connector: 3.5 mm stereo mini jack
Input Modes: Camera, external audio, timecode
Channel Modes: Mono, stereo
Plug-In Power: +2.5 V, +5.0 V
Input Impedance with Plug-In Power Off: 6.0 kΩ or higher
Input Impedance with Plug-In Power On: 1.6 kΩ or higher
Nominal Input Level: -19 dBV
Maximum Input Level: +1 dBV
Minimum Input Level: -79 dBV

Camera, Line, and Timecode Output
Connector: 3.5 mm stereo mini jack
Camera/Line Wiring: Tip left channel, Ring right channel, Sleeve GND
Output Impedance: 210 Ω
Line Nominal Output Level: -14 dBV
Line Maximum Output Level: +6 dBV
Camera Nominal Output Level: -34 dBV
Camera Maximum Output Level: -14 dBV
Camera Timecode Output Wiring: Tip timecode, Ring audio output, Sleeve GND
Camera Timecode Output Level: 10 mVpp
Camera Timecode Output Impedance: 150 Ω
Camera Timecode Format: LTC, SMPTE ST 12-1 compliant

Headphone Output
Connector: 3.5 mm stereo mini jack
Maximum Output Power: 50 mW + 50 mW
Output Distortion: Less than 0.1% THD+N into 32 Ω
Recommended Headphone Impedance: 16–600 Ω
Wired and Wireless Simultaneous Monitoring: Supported
Independent Wired and Wireless Volume Control: Supported

Timecode
Timecode Modes: Off, Free Run Custom, Free Run Time of Day, File TC Offset
Synchronization Masters: Internal, TC In, HDMI, Atomos Bluetooth
Jam Sync: Supported
Frame Rates: 23.98 fps, 24 fps, 25 fps, 29.97 fps, 29.97 DF, 30 fps
High-Frame-Rate Support: 50 fps, 59.94 fps, 59.94 DF, 60 fps using half-rate timecode
Timecode Format: LTC, SMPTE ST 12-1 compliant
TC Input Connector: 3.5 mm stereo mini jack
TC Input Wiring: Tip timecode input, Ring unused, Sleeve GND
TC Input Impedance: 10 kΩ or higher
TC Input Signal Range: 0.5–5.0 Vpp
TC Output Connector: 3.5 mm stereo mini jack
TC Output Wiring: Tip timecode output, Ring unused, Sleeve GND
TC Output Impedance: 1.0 kΩ
TC Output Level: 1.8 Vpp
Timecode Oscillator: High-accuracy TCXO

HDMI
HDMI Ports: Input and output
Connector Type: Type-A
HDMI Version: 2.1
Maximum Video Support: 4K at 60 Hz, 8K at 30 Hz
Video Pass-Through: Supported
Camera Clock Synchronization: Supported
Record Trigger Control: Supported
Embedded Multichannel Audio: Supported
HDMI Cascade: Supported
Multi-Unit Clock Synchronization: Supported
Multi-Unit Record Triggering: Supported
Compatible Cable Lock: ATEN LockPro 2X-EA12

USB
Connector: USB Type-C
Locking Connector Support: Single-screw lock
Transfer Standard: USB 2.0 High Speed
Device Classes: Mass Storage, USB Audio Class 2.0
USB Audio Sampling Frequencies: 48 kHz, 96 kHz
USB Audio Bit Depth: 24-bit, 32-bit float
USB Audio Inputs to Computer: 6 channels
USB Audio Outputs from Computer: 2 channels
USB Audio Configuration: 6-in/2-out
USB Class Compliance: Supported

Wireless Connectivity
Bluetooth Adapter Connector: Dedicated adapter port
Compatible Bluetooth Adapter: AK-BT2
Wireless Audio Monitoring: Supported with optional adapter
Mobile App Control: Supported with optional adapter
Maximum App-Controlled Units: 5
REC-LINK Multi-Device Triggering: Supported
Atomos Bluetooth Timecode Sync: Supported with optional adapter

Audio Processing
Low-Cut Filter: Supported
Equalizer: Supported
Limiter: Supported
Noise Gate: Supported
Auto Mix: Supported
Monitor Select Routing: Supported
Tone Generator: Built in

Audio Performance
Equivalent Input Noise: -127 dBu or lower
Frequency Response at 48 kHz: 20 Hz–20 kHz, +0 dB/-0.5 dB
Frequency Response at 96 kHz: 20 Hz–40 kHz, +0.5 dB/-1.0 dB
Frequency Response at 192 kHz: 20 Hz–60 kHz, +0.5 dB/-3.0 dB
Dynamic Range: 133 dB or higher
Dynamic Range Measurement: 20 kHz LPF, A-weighted, JEITA
Total Harmonic Distortion Plus Noise: 0.01% or less
THD+N Measurement: 1 kHz, -2 dBFS input, minimum recording level, 20 kHz LPF, JEITA

Power
Battery Type: 4 × AA
Supported Battery Chemistries: Alkaline, NiMH, lithium
Battery Holder: BH-4AA
USB Bus Power: Supported
External DC Power: Optional 5 V AC adapter
Maximum Power Consumption: 5.4 W

Battery Operation Time
Alkaline, 2-Input 24-Bit Recording: Approximately 9 hours
Alkaline, 4-Input 32-Bit Float with Phantom Power, HDMI Disconnected: Approximately 2 hours 30 minutes
Alkaline, 4-Input 32-Bit Float with Phantom Power, HDMI Connected: Approximately 1 hour 30 minutes
NiMH, 2-Input 24-Bit Recording: Approximately 8 hours
NiMH, 4-Input 32-Bit Float with Phantom Power, HDMI Disconnected: Approximately 3 hours
NiMH, 4-Input 32-Bit Float with Phantom Power, HDMI Connected: Approximately 2 hours
Lithium, 2-Input 24-Bit Recording: Approximately 17 hours
Lithium, 4-Input 32-Bit Float with Phantom Power, HDMI Disconnected: Approximately 6 hours 30 minutes
Lithium, 4-Input 32-Bit Float with Phantom Power, HDMI Connected: Approximately 4 hours

Computer and Mobile Compatibility
Windows Audio Drivers: ASIO 2.0, WDM
macOS Audio Driver: Core Audio
iOS Audio Driver: Core Audio
iPadOS Audio Driver: Core Audio
Android USB Audio: Supported

Physical Specifications
Dimensions: 184 × 42 × 130 mm
Dimensions: 7.25 × 1.66 × 5.12 in
Measurement Basis: Including protrusions
Weight with Batteries: 756 g
Weight without Batteries: 660 g
Operating Temperature: 0–40°C
Operating Temperature: 32–104°F
Camera Rig Mount: Camera screw mount

Included Accessories
Recorder Unit: 1
BH-4AA Battery Holder: 1, pre-installed
Safety Guide: 1
Registration Guide: 1
Batteries: Not included