The number of headphones that can be connected to a single transmitter in a silent disco system depends on the specific transmitter model and the technology it uses. Most transmitters can support a large number of headphones simultaneously, often ranging from dozens to several hundred. In some cases, even thousands of headphones can be supported by a single transmitter.
When choosing a silent disco transmitter, it is essential to consider the size of your event and the number of expected attendees. You will need to ensure that the transmitter you select can accommodate the required number of headphones. Keep in mind that, in some cases, multiple transmitters can be used together to increase the system's capacity or to cover a larger area.
Refer to the product specifications or consult the manufacturer to determine the maximum number of headphones that can be connected to a particular transmitter.