Aiphone IM-1 - Cashier Window System Boxed Set

The IM-1 is sold as a complete boxed set with all the parts needed for one cashier or security window station. That covers the operation side with its flexible gooseneck microphone, the speaker driver for the public side, the control unit, and the power supply. You add the interconnecting cable and, if you want it, a computer style headset, which Aiphone does not supply.

66 feet, using 22AWG or 18AWG. That applies to both the power supply to control unit run and the speaker driver to control unit run, so plan the control unit location within that radius of the window. If the teller line sits farther from the equipment closet than that, the IM-1 is the wrong choice for the layout.

Speaker driver to control unit takes 2x2-conductor with an overall shield. Power supply to control unit takes 2-conductor, overall shield. Aiphone calls out its own #822202 or #821802 cable for both runs. Shielded is not optional here, since the audio is unbalanced line level over a short run and the shield is what keeps fluorescent ballast and cash register noise out of the speech path.

No. It uses voice-actuated (VOX) hands-free communication, so the clerk and the customer just speak. Nothing needs to be held or toggled mid-conversation. That matters at a ticket window or pharmacy counter where the cashier's hands are on a keyboard or cash drawer.

The operation unit drops to standby, but audio from the public side is still heard at reduced volume. So the clerk is never deaf to the window, they just are not transmitting. That is the setting most banks and box offices leave it on during quiet periods.

Yes, if you link it to a motion sensor. The system then switches into communication mode automatically when someone is present at the window, so the counter staff do not have to reach for anything. The sensor is a separate item you supply and wire in.

No, and that is the point of the design. The units are deliberately small and low profile so they do not obscure the face of anyone at the ticket or customer window. For bank branches, transit booths and pharmacy drive-ups where the camera or the clerk needs a clear line to the face, that is a functional requirement, not styling.

Yes, a computer style headset works with the operation unit. Aiphone does not include one in the box, so source it separately. The gooseneck microphone that does ship with the set bends to essentially any position, which covers most counter heights without the headset.

Transmit output is 3W into 4 ohms, receive output is 1.5W into 16 ohms. The heavier transmit side is what pushes the clerk's voice through glass and ambient lobby noise on the public side. If you substitute a speaker, it has to match those impedances.

It is a commercial-rated system, built for cashier, ticket and security windows in banks, transit stations, healthcare check-in and government counters. Aiphone classes it as commercial, and the feature set (VOX hands-free, motion sensor triggering, standby monitoring of the public side) is aimed at a staffed counter rather than a residential door.