Gross weight of single unit: 1.07kg, Packaging box dimensions: 17.5*17.5*10cm

Carton size: 16 pieces, 18.32kg, 43*37*38cm

Adopting aluminum alloy shell and metal shell, the connection is simple, and it can be operated by DIY.
High-quality speakers and high-sensitivity microphones for clear and realistic sound.
Both internal and external units have speakers and microphones, and the volume and microphone sensitivity can be adjusted separately.
Use a 4-core high-strength aluminum foil shielded line and a secure connection plug
Microcomputer processing circuit solves the problem of echo and scream.
With a recording jack, it can output the internal and external bidirectional voice signals (e.g., for the teller systems used in recording)
Can be used in any difficult to talk places, such as banks, securities, hospitals, bus stations, etc.
Specification

Material: Aluminum alloy shell
Cable length: 8m
Working Voltage: DC12V / 500mA
Adapter: AC 110-220V 50/60Hz
Main tone (subtone): 3W + 3W
Microphone sensitivity: -48dB 20Hz-16kHz
Dimensions: 115 x 75 x 145mm / Φ67x 20mm
Weight: 610 grams