TX-350 BT wireless transmitter: RCA, Bluetooth, mic and built-in battery
A transmitter that connects to everything: mixers via RCA, smartphones or computers via Bluetooth, a wired mic through the 3.5 mm jack. And with its built-in battery, it runs even without an outlet.
For mid-size and large events, silent discos, conferences and temporary installations.
3 / 5ChannelsSX-553 in 3 or 5 channels, SX-839 in 3
400 mRangeup to, at high power
BTBluetoothplus RCA and mic
BatteryBuilt-inruns without AC power, too
Three inputs, no limits
The TX-350 BT takes audio from multiple sources and transmits it in stereo to every headphone tuned to its channel.
- RCA: for mixers, consoles and control rooms.
- Bluetooth: for music and content from smartphones, tablets or computers.
- Wired mic: 3.5 mm jack input for guides, speakers and presentations.
- Built-in battery: for mobile setups and venues with no power nearby.
- BNC antenna and adjustable power from 10 to 100 mW.
Connect, set up, transmit
01
Connect the source
RCA or mic on the back, or turn on Bluetooth from the front panel.
02
Set the power
Power switch on the back, to match coverage to the space.
03
Pick a channel
Button on the front panel: the LCD display shows the active channel.
See the TX-350 in one minute
The video covers the rear connections, Bluetooth, display and charging. The full transcript is below.
TX-350 BT specifications
| Spec | Value |
|---|---|
| Model | Silentsystem TX-350 BT |
| Type | RF wireless audio transmitter |
| Technology | UHF / RF, FM modulation |
| Channels | 3 or 5 |
| Audio inputs | RCA, Bluetooth, 3.5 mm jack mic |
| Audio mode | Stereo |
| Range | Up to 400 m (about 1,300 ft) |
| Transmit power | 10 / 30 / 50 / 100 mW |
| Frequencies | 863 / 915 MHz |
| Frequency response | 30 – 20,000 Hz |
| S/N ratio | > 75 dB |
| Distortion | < 1% |
| Antenna | BNC connector |
| Display | LCD with transmit channel |
| Power | 12 V DC, 150 mA, or built-in lithium battery |
Actual range depends on the environment, obstacles and radio interference.
Recommended uses
Compatible headphones
One transmitter, many sources
- Three inputs: RCA, Bluetooth and mic, for any source.
- Built-in battery: no outlet needed for mobile and temporary setups.
- Up to 400 m (about 1,300 ft): wide coverage, indoors and outdoors.
- BNC antenna: a solid connection in professional setups.
- Adjustable power: from small rooms to large open spaces.
TX-350 FAQ
Other Silentsystem transmitters
TX-500
Fixed, high power, RCA input, up to 45 channels.
TX-300
Portable, with mic input and Bluetooth, 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).
All transmitters
Compare range, channels and inputs across every model.
