Recently, the demand for the window speaker system is increase because of the COVID-19. It will help people keep from close contact.
First, they look like very much, but actually the TW103 is a little longer than TW104, the size of TW103 is 150 x100 x 50mm / φ70 x 20mm, Weight: 350g / 0.77lb. TW104 Size: 118 x 87 x 45mm / φ67x 20mm,Weight: 580g / 1.28lb. But the TW104 is more weight.
Second, TW103 speaker system two people can’t talk at the same time, after one speak, the other one speak, if they speaker at the same time, the main speaker will transmit first. For the TW104, both side can speaker at the same time. It is full duplex product.
In addition, the TW104 is 3W, and TW103 is 2W. The outside speaker line of TW104 is 1.8 meters, the outside speaker line is 2 meters long. We have 3 meters, 8 meters and 12 meters. If you need longer cable, contact us for it.
Both of them using a 4 core high-strength aluminum foil shielded wire and a strong connection plug.
The two-way intercom system can be used widely in many industries. Like, hospital, clinic, bank, hotel, gas station and other place have windows. If any other questions, feel free to email us at firstname.lastname@example.org