BUYERS’ GUIDE
DJI MIC 2 £219/$349 dji.com
DEITY THEOS £989/$1090 deitymic.com
The DJI is genuinely wireless, if you’re a Sony user. Though many audio units are called wireless, they need a cable to send the signal from the receiver to the camera. DJI’s Mic 2 can be used like this, but the receiver unit can accept the optional £29/$49 Sony MI Shoe adapter. This adapter allows integration with an Alpha camera without cables. Use this, and the camera can control audio settings and supply power to the receiver too. Whatever you choose to pair it with, the DJI Mic 2 has an extended battery life compared to the original version, as well as a new control screen, 32-bit float internal recording and intelligent noise- cancelling to boot. Each transmitter includes 8GB of internal storage, offering up to 14 hours of uncompressed 48kHz 24-bit audio. For an added layer of protection, the DJI Mic 2 offers a Safety Track feature which records a second track at -6dB alongside the primary audio track, safeguarding against unexpected audio level spikes. The DJI Mic 2 comes in a charging case, which automatically pairs the receiver and transmitters. It can also be connected to the DJI Osmo Action 4 and Osmo Pocket 3 mini gimbal via Bluetooth.
The high-end Deity Theos features swappable frequency ranges based on the user’s phone GPS, making it easy to move between countries without issues. It uses the UHF radio spectrum, giving reliable transmission at up to 91m/300ft range. The kit includes one receiver and twin transmitters. Each has a built-in recorder featuring 24-bit and 32-bit float formats. When recording 32-bit, you don’t have to set levels as the backup files will record it all without clipping, and the audio is saved to a micro SD card. Sync the transmitter wirelessly to Deity’s TC-1 timecode generator, which is ideal for working with multiple cameras. It syncs to third-party timecode generators via the 3.5mm jack too. The dual-channel receiver is camera-mountable and also compatible with mobile devices. Each unit is contained in an aluminium chassis with twin SMA antenna ports. Power comes from internal 3000mAh lithium batteries, which last for around 14 hours in the transmitter and ten in each receiver. Recharge via the USB port, which can also provide external power. AA batteries can be fitted, lasting for around seven hours. The Theos can be remotely controlled using the Sidus Link app.
Pros: Great for Sony MI users Cons: New version on the way soon
Pros: Very high spec and build Cons: Not the cheapest option
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