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Saramonic K9-US Pro 2-Person Digital UHF Wireless Microphone System for Cameras

SKU: SAK9US MFR: K9-US
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Key Features

  • Capture crystal-clear audio with our professional lavalier wireless microphone system, perfect for interviews and vlogging.
  • Experience reliable, extended wireless range, ensuring seamless audio transmission for dynamic presentations and events.
  • Enjoy long-lasting performance with impressive battery life, ideal for all-day shoots and remote recording sessions.
  • Benefit from exceptional sound quality, delivering rich and clear vocals for podcasts, online content, and more.
  • Our user-friendly wireless microphone system offers effortless setup and operation, even for beginners.
  • Built for demanding environments, this durable microphone system provides consistent, high-fidelity audio wherever you go.
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Temporarily On Backorder?Expected Availability: 01/2026
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Saramonic K9-US Specifications

Included items

Included items

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  • Additional included items

    2x Locking 3.5mm TRS to XLR Output Cable
    Locking 3.5mm TRS to 3.5mm TRS Output Cable
    USB-C to USB-C Data Cable
    USB-C to USB-A Adapter
    6x Lithium-Ion AA Batteries
    QR Code Card for APP Installation
    16x Colored Tag for Receiver
    16x Colored Tag for Transmitter
    Custom Watertight and Impact Proof Carry Case

Transmitter

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  • RF Modulation

    Proprietary Digital RF Modulation

  • RF Freq Range

    550MHz - 960MHz (Assign local legal frequency bands based on the region)

  • RF Power

    10mW, 25mW, 50mW, 100mW

  • RF Frequency Step

    100KHz

  • RF Bandwidth

    200KHz

  • Channel RF Spacing

    700KHz

  • Antenna Connector

    50 Ohm SMA

  • Dynamic Range

    130dB

  • Distortion

    <0.5%

  • Frequency Response

    20Hz - 20kHz

  • Selectable Low Cut

    OFF, 75Hz, 100Hz, 150Hz

  • Mic Power/Input Select

    MIC-3V, MIC-5V, Line-Level

  • Mic Input Connector

    3.5mm TRS

  • Gain Range

    0dB - 30dB

  • ADC Sampling Rate

    48KHz

  • Bit Depth

    24bit

  • Clock Accuracy

    0.15 PPM (1 frame out in 48 hours)

  • Timecode Type

    LTC (SMPTE)

  • Timecode Framerates

    23.98, 24, 25, 29.97, 29.97DF, 30, 30DF, 50, 60

  • Media

    MicroSD Card (Up to 256Gb)

  • File Format

    Wav

  • Sampling-Rate

    48KHz

  • Record Format

    24-Bit or 32-Bit Float

  • Mic Power

    MIC-3V, MIC-5V, LINE

  • Equivalent Input Noise (EIN)

    -132dBV (-130dBu) max (A-weighting, gain= 30dB, 150ohm source impedance)

  • Power Supply

    External Battery / Power

  • Battery Life

    Up to 9+ Hours with High-Quality Lithium-Ion AA's

  • Operating Temperature

    -4 Degree F - 113 Degree F (-20 Degree C - +45 Degree C)

  • Storage Temperature

    -22 Degree F - 140 Degree F (-30 Degree C - +60 Degree C)

  • Dimensions

    3.14 x 2.44 x 0.74" (80 x 62 x 19mm)

  • Weight

    Excluding Batteries and Antenna: 2.99 oz (85g)
    Including Batteries and Antenna: 4.25 oz (120.5g)

Receiver

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  • RF Modulation

    Proprietary Digital RF Modulation

  • RF Freq Ranges

    550MHz - 960MHz (Assign local legal frequency bands based on the region)

  • RF Power

    10mW, 25mW, 50mW, 100mW

  • RF Frequency Step

    100KHz

  • RF Bandwidth

    200KHz

  • Channel RF Spacing

    700KHz

  • Antenna Connectors

    2x 50 Ohm SMA

  • Receiver Output

    2x Locking 3.5mm Analog Outputs & USB-C Digital Output

  • Analog Output Dynamic Range

    120dB

  • Distortion

    <0.5%

  • DAC Bit-Depth

    24-bit

  • Output Type

    Mono, Stereo, Headphone

  • Power Supply

    External Battery / Power

  • Battery Life

    Up to 8+ Hours with High-Quality Lithium-Ion AA's

  • Operating Temperature

    -4 Degree F - 113 Degree F (-20 Degree C - +45 Degree C)

  • Storage Temperature

    -22 Degree F - 140 Degree F (-30 Degree C - +60 Degree C)

  • Dimensions

    3.46 x 2.60 x 0.92" (88.1 x 66.1 x 23.6mm)

  • Weight

    Excluding Batteries and Antennas: 3.95 oz (112g)
    Including Batteries and Antennas: 5.55 oz (157.5g)

Lavalier Microphone

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  • Directions

    Omnidirectional

  • Max SPL

    118dBSPL

  • Dynamic Range

    110dB

  • Sensitivity

    -38dB (1.5V, 2.2K, at 1KHz)

  • Equivalent Noise Level

    Typically, 25dB (A-weighted, Equivalent Sound Pressure Level)

  • Signal-to-noise Ratio

    >68dB

  • Operating Voltage

    1.3V to 5.0V

  • Frequency Response

    20Hz-20KHz

  • Distortion

    <3%

  • Weatherproof Standard

    IP67

  • Operating Temperature

    -4 Degree F - 158 Degree F (-20 Degree C - +70 Degree C)

  • Tensile Performance

    >=50 N

  • Tensile Strength Maximal pulling force

    >=50 N

  • Weight

    0.38 oz (11g)

  • Cable Length

    5.9' (1.8m)

  • Mic Head Size

    0.11 x 0.68" (3mm x 17.5mm)

  • Connector

    Locking 3.5mm TRS with Sennheiser Style Pin-Out

Battery

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  • Battery Info

    Required, included

  • Battery Material

    Lithium-ion

  • Battery Type

    AA

  • Battery Quantity

    6

General

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  • Country of Origin

    China

  • UPC Code

    6977490710587

About Saramonic K9-US

The Saramonic K9-US is a professional dual digital UHF wireless microphone system built for filmmakers, videographers, and high-level content creators who need a seamless, remote-controlled audio solution for two people. It features 24-bit digital wireless sound transmission and is equipped with miniature lavalier mics, giving you detailed, cinema-quality sound, while keeping the setup discreet. The system features a dual-channel camera-mount receiver that connects to cameras, mixers, and recorders with XLR or 3.5mm analog outputs, and digitally connects to mobile devices and computers via USB-C. The transmitters also feature 32-bit float or 24-bit on-board recording with advance timecode synchronization, ideal for avoiding dropped signals and heavy RF interference while syncing perfectly to your project in post-production. The transmitters and receiver feature rugged aluminum construction, making them tough enough for demanding field production environments.

Ultra-Wide UHF, Power, and Performance Professional Productions Need
The K9-US is designed for professionals, with the performance and power pros need. It features an ultra-wide frequency UHF operating spectrum of 550-960MHz with GPS-based frequency updates and advanced auto frequency scanning. It also includes three sets of frequency specific antennas, 550-608, 614-698, and 863-960MHz, letting users choose the best frequency band for their needs, and not forcing you to cut the antennas. The transmitters also feature selectable RF power of 10, 25, 50, or 100mW. Giving users the power and reliability needed for professional applications and that 2.4GHz systems just cannot match, especially in heavy RF environments or scenarios with lots of obstacles.

Powerful and Flexible Body Pack Transmitters with Remarkable Dynamic Range
The K9TX transmitters feature locking 3.5mm inputs, allowing you to transmit microphones or line-level signal. The transmitters feature 130dB dynamic range, allowing you to capture every sonic detail from a whisper to a scream. The transmitters are also compatible with 3.5mm TRS Sennheiser pin-out mics and feature selectable 3V or 5V, allowing you to choose hundreds of other lavalier, headset, and other mic options to expand the system further. Switch to line-level and connect to mixers, music players, or any line-level device output you want to transmit wirelessly to the receiver. Perfect for capturing an IFB mix from the production mixer or recorder for a real-time feed to directors, producers, and camera operators.

Miniature Lavaliers that are Discrete, Rugged, and Ready for Real Action
The K9-US includes two miniature lavaliers that are not just tiny but can handle anything your wild production throws at them. Designed to capture crystal clear audio these tiny lavaliers deliver unmatched durability, and crystal-clear sound in any environment. Ultra-compact and discrete with a 3mm diameter, making them ideal for concealing in clothes or in costumes on set. But they are not just tiny, they are tough. They are IP67 rated, for resistance to water and dust and feature a Kevlar reinforced cable with a remarkable tensile strength. Ensuring these lavs can handle the toughest environments from the desert to a rainstorm and the wear and tear of a pro production.

Portable Dual Receiver with Dual LED Screen and Adaptable Outputs
The lightweight K9RX dual cam-mount receiver features flexible output options, allowing users to maximize their recording capabilities. It features two locking 3.5mm analog outputs that can be configured to your needs, with a generous 120dB of analog output. A USB-C port give you a digital output for mobile devices and computers, or an external powering input to power the receiver with a battery pack. A 2nd LED display on top of the receiver provides easy viewing of receiver status while in a mixer bag or on-camera. Capable of running up to 20 systems simultaneously in the same area, the K9-US is designed to handle large productions with ease. The elbow-style antennas allow easy positioning for optimum reception when on camera or in a bag, and the SMA connection allow the use of antenna distribution systems, and external antenna paddles for even more stability and flexibility.

32-Bit Float Recording Transmitters with Advanced Timecode Synchronization
The K9TX transmitters feature both 24-bit and 32-bit float on-board recording with advanced timecode synchronization. Ideal for situations and scenarios with heavy wireless interference, allowing you to record your talent and ensure frame accurate synchronization with your camera or recorder. Each transmitter includes a 32GB MicroSD card and can be expanded up to 256GB, allowing an incredible amount of recording power. The K9TX transmitters can jam sync to external timecode sources into its 3.5mm or USB-C inputs and wirelessly using the Saramonic TC NEO (Sold Separately). The transmitters can also store up to 8 sync groups, allowing you to easily change your configuration as you change timecode sources.

Total Control with the Saramonic System Mobile App
Remote control of system settings and configurations of the K9-US system is easy with the Saramonic System app. Allowing you to remotely scan and select frequencies, coordinate multiple systems, adjust gain and output settings, manage power settings, mute and unmute transmitters, and engage the transmitters' backup recorders-all without physically handling the devices. Ideal for filmmakers who need to work fast, streamlining their workflow, and ensuring great sound every time.

Saramonic K9-US Features

  • Digital UHF Wireless System with Discrete 3mm Miniature Lavaliers that is Ideal for Professional Film and TV Productions, Videographers, and High-Level Content Creation where Performance is Critical
  • Transmitters feature 32-Bit Float Onboard Recording and Timecode for Seamless Synchronization, 130dB Dynamic Range, 30dB of Gain, Selectable RF Out, and 3v or 5v Mic Power or Line-Level Input
  • Dual Channel Camera-Mount Receiver features XLR, 3.5mm & USB-C Outputs, 120dB Dynamic Range, Auto Frequency Scanning, and Dual LED Displays on the Front Panel and Top of Receiver
  • Ultra-Wide 550-960MHz Bandwidth with Auto Frequency Scanning & GPS Frequency Updates for Superior Interference Resistance
  • Total Control with Saramonic System Mobile App, that Manages and Controls up to 48 Devices' System Settings, Configurations, Recording, Synchronization, Grouping, Power, and much more

Warranty Information

This product has a limited warranty of 24 months.

Key Features

  • Capture crystal-clear audio with our professional lavalier wireless microphone system, perfect for interviews and vlogging.
  • Experience reliable, extended wireless range, ensuring seamless audio transmission for dynamic presentations and events.
  • Enjoy long-lasting performance with impressive battery life, ideal for all-day shoots and remote recording sessions.
  • Benefit from exceptional sound quality, delivering rich and clear vocals for podcasts, online content, and more.
  • Our user-friendly wireless microphone system offers effortless setup and operation, even for beginners.
  • Built for demanding environments, this durable microphone system provides consistent, high-fidelity audio wherever you go.

What's in the box:

  • K9RX-US Dual Receiver
  • 2x K9TX-US Belt Pack Transmitter
  • 2x Miniature Lavalier Microphones with Locking 3.5mm Connector
  • 2x Lavalier Microphone Clip
  • 2x Foam Lavalier Windscreen
  • 2x Furry High-Wind Lavalier Windscreen
  • Weather-Sealed Carrying Case
  • 2x 32GB MicroSD Card
  • 6x SMA Antenna for Receiver
  • 6x SMA Antenna for Transmitters
  • 3x Belt Clips
  • Cold Shoe Mount
  • (See Specification Section for Additional Included Items)
  • Saramonic 2 Year Limited Warranty