Saramonic K9 Duo Wireless Audio Transmission Kit

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The Saramonic K9 Duo is a professional wireless audio transmission system comprising 2 transmitters and 1 receiver. It offers studio-quality recordings in 32-bit float format, a dynamic range of 130 dB and stable operation in the 550–960 MHz band. 32 GB of storage, instant timecode synchronisation and an IFB function ensure full control on set. The lavalier microphones meet the IP67 standard (they are resistant to water, dust and damage). The system supports up to 48 devices, and the mobile app enables remote control. Powered via USB-C or AA batteries, with a comprehensive set of cables and full compatibility, the Saramonic K9 Duo is ready for any task – in the studio or on location. Key product features professional wireless audio transmission kit (2 transmitters + 1 receiver) digital transmission in the 550–960 MHz band with automatic frequency selection Stable, interference-free operation even in challenging conditions Resistance to electromagnetic interference – operates in challenging stage environments Studio-quality recordings thanks to support for the 32-bit float format very wide dynamic range – up to 130 dB 32 GB of memory for independent audio recording includes 2 memory cards for data storage Instant audio and video synchronisation via timecodes synchronisation possible either wirelessly or via the 3.5 mm input supports up to 48 devices simultaneously via the Saramonic System app remote gain control, grouping and monitoring via the app IFB function for real-time monitoring of microphone audio ideal for multi-camera productions, live events and feature films includes 3 mm lavalier microphones compliant with the IP67 standard Resistant to water, dust and mechanical damage reinforced microphone cable with Kevlar fibre Up to 9 hours on a single charge (transmitter) and 8 hours (receiver) can be powered via the USB-C port, even whilst recording Compatible with AA batteries and rechargeable batteries (lithium or NiMH) OLED display for easy monitoring of recordings coloured tags and hidden buttons enhance ease of use Wide compatibility: cameras, recorders, smartphones, computers a comprehensive set of cables: XLR, TRS, USB-C – ready for any setup capable of operating in different countries thanks to GPS audio recording without distortion and without loss of detail ultra-low inherent microphone noise the set also includes windscreens, tags, clips, a case and other essential accessories Professional sound without any interference There’s no room for compromise on a film set. The Saramonic K9 Duo is a digital audio transmission system designed for professionals – filmmakers, sound engineers and live recording crews. Thanks to its wide operating band (from 550 to 960 MHz) with automatic frequency scanning, the system ensures stable, interference-free transmission even in crowded airwaves. It’s a solution that will prove its worth wherever the competition falls short – from crowded production halls to dynamic outdoor events. 32-bit float – studio-quality sound Silence. A shout. A whisper. An explosion. Whatever the dynamics of the scene, the K9 Duo captures every sound with maximum precision thanks to support for recording in the advanced 32-bit float format and a dynamic range of up to 130 dB. The technology used eliminates the risk of clipping and loss of detail. It’s the ideal choice when every second counts and re-recording isn’t an option. An additional 32 GB of storage allows you to maintain an independent audio backup, providing extra security in the event of an emergency. Instant synchronisation of video and audio Manually synchronising sound to video is now a thing of the past. The Saramonic K9 offers wireless timecode synchronisation via the app or through external generators. This allows you to synchronise video and audio down to a single frame – without the tedious task of adjusting tracks in post-production. It saves time and stress, especially when working on multi-camera productions. Microphones ready for any weather Sometimes less is more – in this case, it’s exactly 3 mm. That’s the diameter of the lavalier microphones included in the set. Despite their unassuming size, they’re resistant to dust, water and mechanical damage. This is confirmed by the IP67 rating. The cable has been further reinforced with Kevlar fibres, meaning it can easily withstand even the most intensive use on set. It’s the ideal solution for close-ups, on-the-move interviews and challenging weather conditions. Control up to 48 devices simultaneously You’ll find the dedicated Saramonic System app on Google Play and the App Store, which you can download completely free of charge. Simply take out your smartphone to synchronise all devices, assign frequencies, activate sleep mode, assign colours to the microphones, or adjust the gain remotely. The Saramonic K9 supports up to 48 devices simultaneously, making it an excellent choice for larger film productions, live broadcasts or concert recordings. Controlling everything from your phone is a real advantage on set! Ready for long days of filming The Saramonic K9 Duo wireless audio transmission kit has been designed with demanding field work in mind. The transmitters operate for up to 9 hours, and the receiver for up to 8 hours on a single charge. Both components can be powered via USB-C ports even whilst in use, ensuring uninterrupted operation. The system supports standard AA batteries and rechargeable AA cells, so whatever the conditions, you’ll never run out of power. Wide compatibility – one system, many scenarios The Saramonic K9 Duo wireless audio transmission kit is compatible with cameras, recorders, computers, mixers and smartphones. The kit includes all the necessary adaptors – 3.5 mm TRS, USB-C and XLR – to adapt the system to any workflow. Whether you’re filming a news report, recording a podcast, a commercial or a feature film – the Saramonic K9 will integrate seamlessly with your kit. Simple and convenient operation A compact, lightweight aluminium body, a 1.47” colour screen on the receiver and cleverly concealed buttons – these are just some of the details that make working with the Saramonic K9 kit a pleasure every day. Coloured markers make it easy to identify each set-up on set. The ergonomic menu layout allows for quick configuration without having to leaf through the manual. IFB – real-time audio monitoring On a professional set, every second counts, which is why the Saramonic K9 system is equipped with an IFB (Interruptible Foldback) function, which provides the director or sound engineer with a real-time monitor feed from the actor’s microphone. Everything can be heard as it happens – without waiting for playback and without interrupting the take. This solution allows you to spot mistakes instantly, assess the quality of the dialogue and give directions directly during recording. This not only saves time but also provides greater control over the creative process. Long battery life When a production runs all day, the power supply mustn’t let you down. The Saramonic K9 TX transmitter can operate continuously for 9 hours, and the receiver for 8. The ability to charge via USB-C whilst recording means you can forget about technical breaks. Compatibility with AA batteries, as well as Li-ion and NiMH rechargeable batteries, gives you the flexibility you need in a dynamic film set environment. A design tailored to a filmmaker’s workflow The Saramonic K9 wireless audio transmission kit has been designed with ergonomics in mind. Each metal lavalier microphone weighs less than a smartphone. The OLED display at the top of the receiver allows you to read information at a glance. Coloured tags help you identify equipment at a glance, whilst hidden buttons prevent accidental changes to settings. These are small touches that make a big difference in the real world of production. Ready for use worldwide Thanks to support for automatic frequency updates based on GPS location, the Saramonic K9 Duo complies with the legal requirements of various countries. The ‘Global’ version shown here offers a full range of features, including simultaneous wireless transmission and 32-bit float recording. This means you can take your kit to the other side of the world and be confident it will work exactly as it should. Specifications Model: Saramonic K9 Duo wireless audio transmission kit Saramonic K9 TX transmitter RF modulation: proprietary digital RF modulation RF frequency range: 550 MHz – 960 MHz (band selection depending on location) RF output power: 10 / 25 / 50 / 100 mW frequency spacing: 100 kHz bandwidth: 200 kHz Channel spacing: 700 kHz Antenna connector: 50 Ω SMA distortion: < 0.5% Frequency response: 20 Hz – 20 kHz low-cut filter: OFF / 75 Hz / 100 Hz / 150 Hz microphone power supply: MIC-3 V, MIC-5 V, LINE Microphone connector: 3.5 mm TRS Gain adjustment range: 0 dB to 30 dB sampling rate (ADC): 48 kHz bit depth: 24-bit clock accuracy: 0.15 PPM (1 frame per 48 hours) Timecode type: LTC (SMPTE) Supported frame rates: 23.98, 24, 25, 29.97, 29.97DF, 30 storage medium: microSD card (up to 256 GB) file format: WAV recording format: 24-bit or 32-bit float Dynamic range (EIN): -132 dBV (130 dB) max. Power supply: batteries or rechargeable batteries / USB-C Operating time: up to 9 hours (using 2 AA rechargeable batteries) dimensions: 80 x 62 x 19 mm Weight: 85 g (without batteries and antenna) / 120 g (with batteries and antenna) Saramonic K9 RX receiver RF modulation: proprietary digital RF modulation RF frequency range: 550 MHz – 960 MHz (band selection in accordance with local regulations) RF output power: 10 / 25 / 50 / 100 mW frequency spacing: 100 kHz RF bandwidth: 200 kHz RF channel spacing: 700 kHz Antenna connectors: 2 x 50 Ω SMA Audio output: 2 x analogue Dynamic range (analogue output): 120 dB distortion: < 0.5% bit depth (DAC): 24-bit Output types: Mono, Stereo, Headphones Power supply: external rechargeable or standard batteries / USB-C Operating time: up to 8 hours on 2 NICE AA rechargeable batteries Dimensions: 88.1 x 66.1 x 23.6 mm Weight: 112 g (excluding batteries and antenna) / 157.5 g (including batteries and antenna) Lavalier microphone polar pattern: omnidirectional Maximum SPL: 118 dB dynamic range: 110 dB Sensitivity: -35 dB (1.5 V, 2.2 kΩ, at 1 kHz) self-noise level: typically 25 dB (A) Signal-to-noise ratio (SNR): > 68 dB Supply voltage: 1.3 V – 5.0 V Frequency response: 20 Hz – 20 kHz Distortion: < 3% Protection rating: IP67 (waterproof and dustproof) cable length: 1.8 m microphone capsule dimensions: Ø 3 mm x 17.5 mm connector: 3.5 mm locking plug Compatibility with microphone input: 3.5 mm TRS with pin configuration compliant with the Sennheiser standard Tensile strength: ≥ 50 N (maximum tensile force) EMI resistance: tested for electromagnetic compatibility (the microphone can operate in challenging environments with interference, e.g. on stage and in the vicinity of stage lighting) Operating temperature: -20°C to +70°C Weight: 11 g Package contents 1 x Saramonic K9 RX receiver 2 x Saramonic K9 TX transmitters 2 x lavalier microphones 2 x SMA ‘elbow’ antennas 2 x SMA antenna 2 x 3.5 mm TRS – XLR audio cables 1 x USB-C to USB-C cable 1 x 3.5 mm TRS – TRS audio cable 1 x ‘cold foot’ adapter 1 x belt clip for the receiver 2 x belt clips for transmitters 2 x foam windscreen for the lavalier microphone 2 x ‘deadcat’ windscreen for lavalier microphone 2 x clips for the lavalier microphone 1 x sealed carrying case for lavalier microphones 3 x lithium-iron batteries 2 x 32 GB microSD cards 1 x USB-C to USB-A adapter 1 x QR code card for the user manual 1 x QR code card for the Saramonic System app 1 x information card on antenna lengths and frequencies 16 x coloured markers for transmitters 16 x coloured markers for receivers 1 x carry case for the entire set