Transmitters · TX-300 Mobi

TX-300 Mobi portable transmitter: voice and music together, Bluetooth and battery

The transmitter you take with you: built-in mixer for voice and music, mic input with its own volume control, Bluetooth and 3.5 mm jack, high-capacity lithium battery.

For guides, trainers and speakers who move with their group: silent walks, fitness, yoga, tours and conferences.

3 / 10Channelsavailable versions

300 mRangeup to, at high power

MixerVoice + musicmic and source together

BatteryLithiumhigh capacity

The transmitter

Voice and music, wherever you go

The TX-300 Mobi has a built-in audio mixer: your mic and the music from Bluetooth or the jack go out together, on the same channel, to every headphone.

  • Microphone: 3.5 mm jack input, dedicated volume wheel and on/off button on top.
  • Sources: Bluetooth and 3.5 mm jack input for smartphones, tablets or players.
  • Portable: built-in lithium battery, charged via the 12 V DC input.
  • SMA antenna and adjustable power: 10 / 30 / 50 / 80 mW.
Silentsystem TX-300 portable transmitter, side inputs
How to use

Power on, connect, talk

01

Power on and connect

Power button on the right side, next to the mic and source inputs.

02

Pick a channel

Button on the front panel: the display shows the active channel. This is also where you turn on Bluetooth.

03

Control the mic

Mic volume wheel and on/off button on top.

Video

See the TX-300 in one minute

The video covers the side controls, front panel, Bluetooth and mic control. The full transcript is below.

Introduction. The Silentsystem TX-300 Mobi is a portable transmitter with a high-capacity lithium battery, built for flexibility, ease of use and reliable performance in any setting.

Key features. The TX-300 Mobi has a built-in audio mixer and lets you plug in a microphone directly. It offers Bluetooth and a 3.5 mm jack input to easily connect a range of external sources.

Side controls. On the right side you’ll find the power button, the DC charging input, the mic and external source inputs, and the mic volume wheel.

Front panel. On the front are the channel select button, the display showing the active channel, and Bluetooth activation.

Mic control. On top is the button to turn the mic on and off, handy during events and presentations.

Conclusion. Portability, battery life and versatility make the TX-300 Mobi an ideal solution for dynamic events, guided tours, conferences and professional wireless audio applications.

Specs

TX-300 Mobi specifications

Spec Value
Model Silentsystem TX-300 Mobi
Type Portable RF wireless audio transmitter
Technology UHF / RF
Channels 3- or 10-channel versions
Audio inputs 3.5 mm jack, Bluetooth
Mic input 3.5 mm jack, with volume and on/off button
Mixer Built-in, voice + music
Audio mode Stereo
Range Up to 300 m
Transmit power 10 / 30 / 50 / 80 mW
Frequencies 863 / 915 MHz
Frequency response 30 – 20,000 Hz
S/N ratio > 75 dB
Distortion < 1%
Antenna SMA
Power 12 V DC or built-in lithium battery

Actual range depends on the environment, obstacles and radio interference.

Recommended uses

Compatible headphones

Why choose them

Built for people who lead groups

  • Portable: wear it during tours, classes and walks.
  • Built-in mixer: talk over the music with nothing else needed.
  • Bluetooth + jack: any smartphone or player as your source.
  • Up to 300 m: covers the group even when it spreads out.
  • Lithium battery: hours of use with no cables or outlets.
TX-300 wireless transmitter with Bluetooth and display
FAQ

TX-300 FAQ

Yes, it’s a portable transmitter with a built-in lithium battery. It charges via the DC input on the right side.

Yes, the built-in mixer combines your mic and the music from Bluetooth or the 3.5 mm jack on the same channel.

Up to 300 meters. Actual range depends on the environment, obstacles and power setting.

Silent walks and guided tours, fitness, yoga, education, conferences and live podcasts: any situation where the speaker is on the move.

With Silentsystem SX-809, SX-839, SX-808, SX-858, SX-610 and SX-707 headphones.
Compare

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TX-400 specs →

TX-350

RCA, Bluetooth, mic and battery, up to 400 m.

TX-350 specs →

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Compare range, channels and inputs across every model.

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Do you lead tours, classes or walks?

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