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K9

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Saramonic K9

Dual-Channel Digital UHF
Wireless Audio System for Filmmakers

Ultra-Wide UHF

Industry-Leading
Dynamic Range

IFB

Real-Time Monitoring

Onboard REC

Miniature Lav Mic

Dust, Water &
Pull-Resistance

Saramonic K9

Dual-Channel Digital UHF Wireless Audio System for Filmmakers

Dual Displays

Info Scan without Bag Digs

8 Colored Tags

Quick Group Locating

Timecode

Precise Sync & Streamlined Post

Recordist Control Hub

Universal Compatibility

Master the Sound.

Watch Video

Ultra-Wide Digital UHF

Incredibly Stable

Operating in the ultra-wide 550–960 MHz UHF spectrum with GPS-based frequency updates, the K9 outperforms 2.4 GHz with superior interference resistance, and auto frequency scanning finds the cleanest channel, ready for global action.

130 dB Dynamic Range

Every Sound, Pristine

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.

Miniature Lav Mic

Small, Rugged,
Ready for Action

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.

32-bit Float REC

Make Every Sound Heard

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 32 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.

Timecode Syncing

Sync Effortlessly,
Work Faster

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.

* Saramonic timecode generator is coming in May.

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.

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.

8 colored tags
for quick group locating.

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.

IFB Monitoring

Hear It Live to
Perfect Every Take

With K9's Interruptible Foldback (IFB), directors can monitor actor audio in real-time, no waiting for playback. Voices are transmitted from the set, mixed by the sound team, and instantly routed back to the director. Efficiency boom.

Recording

Mixing

Monitoring

Universal Connection

Fits Every Setup

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.

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Saramonic K9

Dual-Channel Digital UHF
Wireless Audio System for Filmmakers

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Core Components

Accs

Transmitter
× 2

Receiver
× 1

SMA Antenna for TX
× 2

SMA EIbow Antenna
for RX × 2

Cold Shoe Mount
× 1

Belt Clip
× 3

Lavalier Microphone
× 2

32 GB MicroSD Card
× 2

Colored Tag
× 32

Antenna Length and
Frequency Card × 1

Lithium Iron Battery
× 6

Carrying Case
× 1

USB-C to USB-A
Adapter × 1

3.5 mm TRS to XLR
Audio Cable × 2

USB-C to USB-C
Data Cable × 1

3.5 mm TRS to TRS
Cable × 1

Lav Mic Windscreen
× 2

Lav Mic Windshield
× 2

Lav Mic Clip
× 2

Lav Mic Case
× 1

Rechargeable Battery
3.7V Lithium × 1

Sold Separately

8-Bay Battery Charger Dock × 1

Sold Separately

DC Power Adapter
× 1

Sold Separately

US / EU / CN / UK Adapter Plug × 1

Sold Separately

What is the frequency spectrum of the Saramonic K9?

The K9 operates on a 550–960 MHz ultra-wide UHF spectrum, with GPS-based frequency updates for global compatibility.

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.

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.

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.

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).

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.

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.

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.

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.

Specs

Transmission	Digital UHF
Frequency Spectrum	550 - 960 MHz (GPS-Based Frequency Updates)
RF Power	10 mW, 25 mW, 50 mW, 100 mW (US)
RF Step	100 kHz
RF Bandwidth	200 kHz
Channel RF Spacing	700 kHz
Antenna Connector	TX: 50 Ω SMA RX: 2 × 50 Ω SMA
Auto Frequency Scanning	Activate via Receiver or Saramonic System
32-bit Float Onboard Recording*	Yes Max Storage 256 GB
Timecode	TX: Yes (SMPTE LTC) RX: No
Timecode Framerate	23.98, 24, 25, 29.97, 29.97DF, 30
Display	TX: TFT RX: TFT (Front) + OLED (Top)
Dynamic Range	TX Input: 130 dB RX Analog Output: 120 dB
Output Mode	Mono, Stereo, Headphone
Frequency Response	20 Hz to 20 kHz
Low Cut	OFF, 75 Hz, 100 Hz, 150 Hz
Sample Rate / Bit Depth	48 kHz / 24-bit
Lav Mic Dimension	Ø 3 × 17.5 mm
Lav Mic IP-Rating	IP67
Latency	6.3 ms
Power Supply	External Battery / Power
Battery Life	TX: 9 hours RX: 8 hours
Compatible Battery Type	1.5 V Lithium Iron, 1.5 V Alkaline, 1.5 V / 3.7 V Lithium, and 1.2 V NiMH
Dimensions (mm)	TX: 80 x 62 x 19 mm RX: 88.1 x 66.1 x 23.6 mm
Weight (g)	Weights include/exclude batteries and antennas. TX: 85 g (excl.), 120.5 g (incl.) RX: 112 g (excl.), 157.5 g (incl.)
Operating Temperature	-20°C to +45°C
Storage Temperature	-30°C to +60°C

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

Saramonic K9 | Unboxing

Saramonic K9 | Lavalier Microphone Violence Test

Saramonic K9 | Team Communication Solution for Recordists

Saramonic K9 | How to Pair Quickly

Saramonic K9 | How to Use the Antenna Correctly

Saramonic K9 | How to Use Onboard Recording

Saramonic K9 | How to Sync with an External Timecode Source

Saramonic K9 | How to Use the Timecode Function

Saramonic K9 | How to Use the Battery Properly

Saramonic K9

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General

Receiver

Transmitter

Color

Transmitter

Dimensions

Weight

Sample Rate / Bit Depth

Signal-to-noise Ratio

Max SPL

Output Mode

Noise Cancellation

Noise Cancellation Mode

Frequency Response

Latency

Low Cut

Transmission Range

Timecode

Onboard Recording

Built-in Mic

Battery Life

Clip

Display

Supports Mic in

Windproof Capsule

Water Resistance

Power Supply

Receiver

Display

Monitoring

Playback without Unplugging Receiver

Gain Control

Charging while Recording

Supports Dual Device Output

Adapter Design

3.5 mm

USB-C

Lightning

Charging Case

Dimensions

Weight

Charging Cycles (2 × TX + 1 × RX)

Operating Time (2 × TX + 1 × RX)

Battery Capacity

Transmitter
× 2

Receiver
× 1

SMA Antenna for TX
× 2

SMA EIbow Antenna
for RX × 2

Cold Shoe Mount
× 1

Belt Clip
× 3

Lavalier Microphone
× 2

32 GB MicroSD Card
× 2

Colored Tag
× 32

Antenna Length and
Frequency Card × 1

Lithium Iron Battery
× 6

Carrying Case
× 1

USB-C to USB-A
Adapter × 1

3.5 mm TRS to XLR
Audio Cable × 2

USB-C to USB-C
Data Cable × 1

3.5 mm TRS to TRS
Cable × 1

Lav Mic Windscreen
× 2

Lav Mic Windshield
× 2

Lav Mic Clip
× 2

Lav Mic Case
× 1

Rechargeable Battery
3.7V Lithium × 1

Sold Separately

8-Bay Battery Charger Dock × 1

Sold Separately

DC Power Adapter
× 1

Sold Separately

US / EU / CN / UK Adapter Plug × 1

Sold Separately

User Manual

Saramonic K9 (Global Version)

Download

User Manual

Saramonic K9
(US Version)

Download

APP Download

Saramonic System

Recordist Control Hub

V1.0.0
Requires Android 7.0 or above

V1.0.0
Requires iOS 13.0 or above

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