BP-TRX Audio Multi-tool

Quick Look

The Ultimate Audio Multi-Tool

The BP-TRX is the ultimate audio multi-tool. It is unique because it can become a transmitter, a receiver, a timecode-enabled audio recorder, or just a standalone timecode box. The BP-TRX adapts to fill whatever role you need filled on your set.

  • Transmit and Record at the Same Time;24-Bit/48kHz
  • Features Timecode Input and Output for Jam-Sync
  • Supports up to a 128GB MicroSD Card*
  • Analog Limiter, Low Cut Filter, High-Frequency Boost
  • Locking 3.5mm Input
  • USB-C Port for Recharging / USB Sound Card
  • +12 to 25 Hour Life from Rechargeable Battery
  • Transmit to 4 Receivers, 328’ Range, up to 100mW

*Not compatible with Sandisk MicroSD/TF cards

Why would you want anything but this

Jason McCutchen - Wedding FIlm School

All BP-TRX features

A Tool For Everything

The BP-TRX is akin to a small pocket computer with analog audio I/O, digital I/O, wireless transmission I/O, and timecode I/O. In the TRX Mode menu, you are able to select one of seven different modes that connect these different I/O ports and turn it into the exact tool you need in the moment.

Record +120 Hrs Of Audio

You can record entire days of audio before you have to swap microSD cards.

Max Card Size – 128GB*
Card Type – microSD
Card Format – FAT32, exFAT
Max File Size – 2GB; automatically keeps recording and creates a new file
File Type – 24bit/48KHz Uncompressed PCM WAV File
*Not compatible with Sandisk MicroSD/TF cards

Guard Rail™️ Analog Limiter

The BP-TRX features an analog limiter to help prevent clipping and distortion. Record clean audio worry-free.

Stay In Sync

When used as a standalone TC box, the BP-TRX will run for over 25 hours. And with its 0.2ppm accuracy, the BP-TRX will only drift 1 frame every 24 hours.

More Versatile Together

Users can pair two BP-TRX units together to create a single-channel wireless microphone system. Remotely control your transmitter’s settings from the connected receiver. Using the record button on the BP-TRX in RX Mode will trigger the internal audio recorder on your actor’s bodypack transmitter.

Wedding Filmmaker Bundle


These are for filmmakers who

are serious about audio


Transmission Type 2.4GHz
RF Output Power10mW / 25mW / 50mW / 100 mW
RangeUp to 100m
Gain Range-12dB to +36 dB
Signal ProcessingGuard Rail™ Analog Limiter
Low Cut Filter – Off, 20-200Hz
High Frequency Boost: Off, +1dB – +10dB @ 7KHz
Audio I/O1 x 3.5mm Locking Mic/ Stereo Line Input
1x 3.5mm Locking Audio Output
1x USB-C Digital Audio
Timecode TypeSMTPE
Timecode Accuracy0.2ppm
Timecode Frame Rates23.976ND, 24ND, 25ND, 29.97ND, 29.97D, 30ND, 30D
Battery TypeLithium-Ion
Internal Battery Capacity2800 mAh
Approx. Battery Life+12Hrs to 25Hrs (Mode Dependent)
Battery Charge Time130 Minutes
Antenna1/4λ Dipole External, Detachable, SMA
Display1" OLED
HousingAluminum with ABS accents