UwMic9 SP-RX9+TX9+TX9
UwMic9 SP-RX9+TX9+TX9. Image courtesy Saramonic.

Saramonic, at NAB this week, introduced the UwMic9 SP-RX9+TX9+TX9 Dual UHF Wireless Lavalier System. The new wireless mic system is compatible with both smartphones and cameras.

The UwMic9 SP-RX9+TX9+TX9 is a portable, dual-channel, UHF wireless microphone system that’s designed for use with cameras along with iPhone and Android devices. The setup allows you to use two separate wireless beltpack transmitters with lavalier mics at the same time. Plus you can include multiple output cables with Lightning for Apple devices, USB-C for Android, and analog 3.5 mm for cameras.

It uses the UHF (Ultra High Frequency) spectrum to help you avoid any interference when recording. Additionally, its operating range goes up to 330 feet.

System design

It’s built with a backlit LCD display and a headphone output, which is essential for monitoring your audio. This means if your camera or smartphone doesn’t have a headphone jack, you can still monitor.

The UwMic9 SP-RX9+TX9+TX9 is a portable, dual-channel, UHF wireless microphone system
The UwMic9 SP-RX9+TX9+TX9 is a portable, dual-channel, UHF wireless microphone system. Image courtesy Saramonic

Charging

The two beltpack transmitters run on AA batteries and the receiver is powered by an internal Lithium-ion battery and can be charged through its USB-C port with its included cable. The USB-C port is also compatible with external battery power packs so it can still be powered in the field.

SP-RX9 can be used as an audio mixer

The SP-RX9 wireless receiver can also be used as an audio mixer. You can plug two microphones directly into it and connect it to your smartphone or camera. It offers two 3.5 microphone inputs and a mini-XLR input. A mini-XLR to XLR cable is included. The SP-RX9 can supply +48 volts of phantom power, which means it should be possible to use almost any kind of microphone.

Overview of receiver and transmitters

SP-RX9 Receiver

  • Channels: 96 selectable channels in 2 groups (A and B)
  • Frequency Range: 514 MHz – 596 MHz
  • Oscillator Type: PLL synthesizer
  • Inputs: 2 x 1/8“ (3.5mm) with Plug-In Power, 1 x mini-XLR with Phantom Power
  • Outputs: 2 x 1/8” (3.5mm) headphone and output, 1 x mini-USB, USB-C with included cable,
  • Lighting with included cable
  • Antenna: Built-in
  • Sensitivity: -95 dBm
  • Signal to Noise Ratio: 70 dB or more
  • Voice Delay: 12 ms
  • Reference Deviation: +/- 5 kHz (-60 dBV, 1 kHz input)
  • Frequency Response: 40 Hz to 18 kHz (+/- 3dB)
  • Distortion: 0.5% or less
  • Spur Suppression: -60 dB
  • Battery: Built-in Lithium-ion (1200 mA)
  • Device holder width: 26.1 to 33.1” (66.4 x 84.1 cm)
  • Dimensions including handgrip: 3.9 x 1.5 x 10.2” (100 x 38.6 x 259.6 mm)
  • Weight including handgrip: Approx. 0.95 lbs (433 g)

TX9 Transmitters

  • Channels: 96 selectable channels in 2 groups (A and B)
  • Wireless Frequency Range: 514 MHz – 596 MHz
  • Oscillator Type: PLL synthesizer
  • Input: Locking 1/8” (3.5mm) TRS mini-jack
  • Reference audio input level: –60 dBV (MIC input, 0 dB attenuation)
  • Antenna: 1/4 λ wire antenna
  • Signal to Noise Ratio: 70 dB or more
  • Voice Delay: 12 ms
  • Reference Deviation: +/- 5 kHz (-60 dBV, 1 kHz input)
  • Frequency Response: 40 Hz to 18 kHz (+/- 3dB)
  • Distortion: 0.5% or less
  • Spur Suppression: -60 dB
  • Batteries: 2 LR6/AA size batteries
  • Dimensions: 6.73 x 2.5 x 1.18” (170.9 x 63.5 x 30.0mm)
  • Weight: 7.46 oz (211.4g) (without batteries)

Image courtesy Saramonic

Correction: previously the article named the UwMic9 SP-RX9+TX9+TX9 as the UwMic9 (RX9+TX9+TX9). The article has been updated.

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