K9 | Dual-Channel Digital UHF Wireless AudioSystem for Filmmakers

K9 | Dual-Channel Digital UHF Wireless AudioSystem for Filmmakers

Product Details

Ultra-wide 550-960 MHz UHF for anti-interference performance across the globe.（512-608 MHz & 740-758 MHz for United States）
High dynamic range (130 dB input & 120 dB analog output) and digital transmission for uncompressed recordings
32-bit float onboard recording* with 32 GB storage for secure backup
Timecode sync - wirelessly via Saramonic System or wired via 3rd-party TC box
Saramonic System - up to 48 devices’ control and info hub on your phone

* K9 systems sold and operated in the US cannot transmit wirelessly and record simultaneously

K9 | Dual-Channel Digital UHF Wireless AudioSystem for Filmmakers

$999.99

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K9 | Dual-Channel Digital UHF Wireless AudioSystem for Filmmakers

$999.99

Model: Saramonic K9（US） Saramonic K9 Saramonic K9（US）

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Saramonic K9

Dual-Channel Digital UHF Wireless Audio System for Filmmakers

Industry-Leading
Dynamic Range

Using the reliable UHF spectrum with GPS-based frequency updates, the K9 digital wireless microphone system outperforms 2.4 GHz with superior interference resistance. Auto frequency scanning finds the cleanest channel, ready for global action.

* Operating frequencies may vary depending on local regulations and environment.

Record in cinematic quality. Digital transmission ensures no audio quality loss, while a 130 dB input dynamic range perfectly captures everything from shouts to whispers, and the 120 dB analog output reproduces sonic detail. True, clear, and immersive.

The K9 comes with the smallest 3 mm miniature lavalier mic* in the industry, easy to hide so you can seamlessly fit it into your on-camera look. Featuring IP67 dust and water resistance and Kevlar®-reinforced cabling, it stands up to everything from rain to desert and the wear-and-tear of daily use.

* Compatible with most transmitters on the market.

Unexpected audio spikes or whispers on set? No compromises. With K9’s 32-bit onboard recording*, fix it all in post — every detail, whether clipped or too quiet. With 64 GB of storage, your audio is safe, so you can tell your story with peace of mind.

* K9 systems sold and operated in the US cannot transmit wirelessly and record simultaneously.

Audio and video drift apart? — K9’s timecode keeps everything in sync. Wirelessly connect to our timecode generator* via Saramonic System — one tap aligns all devices to the exact frame, or use a 3.5 mm wired connection to sync with 3rd-party gear. No more manual post-production headaches.

Recordist Control Hub

Take Total Device Control

Introducing Saramonic System, an audio smart control app that makes the K9 work more efficiently. You can remotely control up to 48 devices — manage device groups, activate sleep mode to extend battery life, update firmware version, and much more. Everything you need is right at your fingertips.

Long-Lasting Power

Power Through the Day

The K9 transmitter lasts up to 9 hours, and the receiver up to 8 hours. You can swap batteries in a snap — compatible with multiple types — or power via USB-C while recording, keeping the sound rolling nonstop. For eco-friendly workflows, opt for rechargeable batteries and an 8-slot charging dock. Power your day, your way.

Sleek Design

Pure Design, All on Point

Inspired by Nordic minimalism, the K9 is sleek yet powerful. The receiver features a 1.47" color display and an innovative top screen, making it easy to read at a glance, even in direct sunlight. Hidden buttons prevent accidental presses, and 8 colored tags help you quickly identify devices. So you can focus on the story, not the gear. And the durable metal bodypack transmitter is lighter than a phone at 125 g, ensuring comfort movement for actors during shoots.

Universal Connection

The K9 comes with a variety of adapters, compatible with cameras, recorders, computers, mixers, and phones, offering versatile use in various settings to meet your needs.

Recording

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Live Streaming

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Stage Show

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The Sound Stories

What You Need to Know

Get help

Q1：What is the frequency spectrum of the Saramonic K9?

The K9 operates on a reliable MHz UHF spectrum, with GPS-based frequency updates for global compatibility.

Q2：What is the difference between digital UHF and 2.4 GHz wireless systems?

· Stronger interference resistance: UHF is more stable and less affected by Wi-Fi and Bluetooth.
· Better transmission in complex environments: UHF can penetrate most materials, while 2.4 GHz is easily blocked by walls.
· Better audio quality: UHF supports uncompressed or low-latency codecs, offering a wider dynamic range and lower noise.

Q3：Why are the transmitter and receiver not pre-paired? How do I pair them?

To ensure stable performance, you should scan for the best frequency in your environment before first use. There are three pairing methods (turn on both transmitters and the receiver):
· Use the auto-scan function on the receiver to assign the best frequencies to both transmitters.
· Manually select Pairing 1 or Pairing 2 on the receiver, then set the transmitter frequency.
· Set the same frequency manually on both the transmitter and receiver.

Q4：What kind of batteries does the Saramonic K9 use?

The K9 transmitter and receiver support AA batteries (NiMH/alkaline) or USB-C external power. This allows quick battery replacement or continuous power from a power bank or adapter.
Note: The K9 transmitter and receiver will default to the standard lithium-iron AA battery when powered on for the first time. If switching to a different battery type, update the battery settings in the device for accurate battery level display.

Q5：How do I connect the Saramonic K9 to a recorder, mixer, camera, or phone?

To a camera: Use a 3.5 mm TRS to TRS cable (OUT-A or OUT-B → MIC IN).
To a phone: Use a USB-C to USB-C audio cable (USB-C → USB-C).
To a recorder/mixer: Use a 3.5 mm TRS to XLR cable (OUT-A or OUT-B → XLR input).

Q6：Can the Saramonic K9 record audio directly?

Yes. The Global and U.S. versions support 32-bit float onboard recording via TF card.
Note: K9 systems sold and operated in the US cannot transmit wirelessly and record simultaneously.

Q7：What are the Saramonic K9's shortcut keys?

Transmitter
· Short press POWER: Mute/unmute.
· Long press UP: Open the recording menu (start/stop recording, check duration, storage).
· Long press DOWN: Open the timecode menu (sync, frame rate, grouping, mode).
Receiver
When B-channel is not in monitoring mode:
· Long press UP: Adjust A-channel output gain.
· Long press DOWN: Adjust B-channel output gain.
When B-channel is in monitoring mode:
· Short press UP/DOWN: Adjust headphone volume.

Q8：What is gain staging? How should I set the gain on the Saramonic K9?

Gain staging ensures optimal audio levels without noise or distortion.
Steps to set gain:
· Set transmitter input gain to +15 dB and speak into the mic.
· Adjust gain so that peak levels reach around -12 dB on the VU meter (loud but not clipping).
· Set receiver output gain based on the connection type:
To a recorder (TRS to XLR) → Select RX1 (single-channel output), set gain to 0 dB.
To a camera (TRS to TRS) → Select RX1+RX2 (mixed output), set gain to -20 dB.

Q9：How do I set up IFB return audio on the Saramonic K9?

Transmitter setup:
Connect the transmitter to the recorder's main or sub-output.
Note: Please set the transmitter input to Line-In. Use a different frequency range than the actor’s wireless mic (or at least 10 MHz apart). Clip the transmitter outside the sound bag for better signal transmission.
Receiver setup:
Match the receiver frequency to the transmitter.
Set Output A to RX1 and Output B to Monitor (mirrors A’s audio to headphones).
Adjust monitor volume using the receiver’s UP/DOWN keys (12 levels).

Q10：How do I update the Saramonic K9 firmware?

· Power on the transmitter and receiver.
· Open the Saramonic System app and add your device. If it doesn’t appear, reset Bluetooth.
· Go to Monitor > Batch Update. If an update is available, a red dot will appear.
· Ensure stable network connection, then tap Update Now.
· If any devices fail to update, retry with Re-upgrade.

Q11：How does timecode work on the Saramonic K9?

The transmitter has timecode; the receiver does not but displays a “TC” icon when sync is enabled. K9 only supports slave timecode (it can sync but not generate a master timecode).
3 ways to sync timecode:
Wired sync:
· Set Auto/Jam mode and connect a 3.5mm TRS cable to the K9 TX MIC IN.
· Works with Tentacle Sync, DEITY TC-1, UltraSync ONE, etc.
· Syncs timecode from cameras or recorders via TRS/LTC cable.
Local wireless sync:
· Use a Saramonic timecode generator TC-NEO as the master one. Ideal for professional film workflows without phone/network signal.
App sync:
· Connect to Saramonic System app for simultaneous sync. Best for multi-device setups.

Q12：Why can’t my Tentacle Sync E sync timecode with the Saramonic K9?

In the Tentacle App, turn off Auto and switch to LINE mode.