EL4400/S is a handsfree terminal, full duplex, for use in intercom systems, up to 10 channels, whose the principal apparatus is constituted by an TBP10 intercom.
The EL4400/S is normally installed in editing rooms for the communication with the TBP10 in control or comment room.
The EL4400/S are ideal to be used in ENG applications, in outside broadcast vans and television studios.
The EL4400/S has a good quality of audio reproduction with amplifier and incorporated loudspeaker, low noise, thanks to balanced circuits through transformers and they are endowed with embedded power supply.

The apparatus has an elevated high fidelity of playback despite the limited height space in only 44 mm (1 RU).
The connection is realized with a 4 wires system to allow communications of high quality.
The link to the TBP10 happens through a couple of cables connected to the back connectors, 2 Cannon XLR with 3 contacts, male for the output and female for the input.

EL4400/S - detail of connectors

Other Elman intercom and beltpack

BIA - Beltpack IFB Amplifier (usable with tbp8)

EL4400/S - Terminal for TBP10 10 channels intercom

TALKBACK PLUS Instant Program 4 Wires Intercom (1RU)

TBP10 - 4 wires handsfree full duplex 10 channels intercom with interrupted feedback (1RU)

TBU - Telephone Balance Unit (telephone to 4 wires) (usable with tbp8)