TX-330 Mobi HiFi portable transmitter: HD audio, Bluetooth and noise-reducing mic
The evolution of the TX-300: HD stereo audio, ambient noise reduction for a clear voice even in a crowd, a digital display and Bluetooth to connect from smartphones and tablets.
Portable, light and rugged, for tours, conferences, live productions, fitness and yoga.
3 / 10Channelsavailable versions
300 mRangeup to, at high power
7 hBattery lifefull charge in 3 hours
HDStereo audiowith noise reduction
A clear voice, even in chaos
The TX-330 Mobi HiFi takes the TX-300 formula further: high-definition audio and an ambient noise reduction system that keeps your voice clear even in crowded or acoustically challenging spaces.
- Bluetooth: connect directly from smartphones and tablets.
- 3.5 mm jack for external sources and a dedicated mic input.
- High-contrast display: channel and frequency readable in any light.
- SMA antenna and adjustable power: 10 / 30 / 50 / 80 mW.
- Light but rugged, built for heavy everyday use.
Quick setup, even if you’re not a tech
The interface is designed for guides, trainers and speakers with no technical background: turn it on, pick the channel on the display and start talking.
A single TX-330 transmits to hundreds of headphones at once, on the same channel.
TX-330 Mobi HiFi specifications
| Spec | Value |
|---|---|
| Model | Silentsystem TX-330 Mobi HiFi |
| Type | Portable RF wireless audio transmitter |
| Technology | UHF / RF, FM modulation |
| Channels | 3- or 10-channel versions |
| Audio inputs | 3.5 mm jack, Bluetooth |
| Mic input | 3.5 mm jack |
| Audio | HD stereo, ambient noise reduction |
| Range | Up to 300 m (about 1,000 ft) |
| Transmit power | 10 / 30 / 50 / 80 mW |
| Frequencies | EU 863 MHz / USA 915 MHz |
| Frequency response | 20 – 20,000 Hz |
| S/N ratio | > 75 dB |
| Distortion | < 1% |
| Antenna | SMA connector |
| Display | High-contrast digital, with frequency |
| Battery life | 7 hours |
| Charging time | 3 hours |
| Power | 12 V DC |
Actual range depends on the environment, obstacles and radio interference.
Recommended uses
Compatible headphones
The portable choice for speaking to an audience
- Noise reduction: a clear voice even in a crowd or outdoors.
- HD stereo audio: great quality for music, too.
- Bluetooth + jack + mic: every source in a single device.
- High-contrast display: fast setup, even in direct sun.
- 7 hours of battery life, full charge in 3 hours.
TX-330 FAQ
Other Silentsystem transmitters
TX-300
The portable unit with voice-and-music mixer, Bluetooth and battery, up to 300 m (about 1,000 ft).
TX-400
Pocket-size, AAA battery powered, with mic input, up to 100 m (about 330 ft).
TX-350
RCA, Bluetooth, mic and battery, up to 400 m (about 1,300 ft).
All transmitters
Compare range, channels and inputs across every model.
