Through Glass Intercom System

The Opus Counter Intercom Kit with Induction Loop OP-6510B combines the OP-6510 window intercom with a DCL20-65 induction loop system. Designed for communication across glazed screens and counter barriers, it helps staff and visitors hold conversations at ticket offices, reception desks, retail counters and information points.

The system includes an agent-side desk microphone and loudspeaker, together with a customer-side microphone and loudspeaker unit. Full-duplex audio allows both participants to speak and listen naturally, supporting conversation without repeatedly switching between speaking and listening.

The included induction loop adds assisted listening provision for customers using compatible telecoil-equipped hearing aids. It enables the counter installation to support hearing aid users alongside those listening through the customer-side loudspeaker.

Mechanical buttons provide physical controls for the operator. Three listening modes—standard, quiet and noisy—allow the intercom to be adjusted to suit its surroundings, while volume adjustment across 15 levels provides further control over listening levels. This is useful at service points where background noise varies throughout the day.

The customer-side microphone and loudspeaker can be fixed to glazing or a smooth wall, helping installers position it close to the visitor’s speaking position. The agent-side unit measures 160 × 95 × 46.5 mm, while the customer-side unit measures 102 × 83 × 24 mm.

An audio recording connection allows the intercom to feed suitable external recording equipment. The intercom is specified for a 12V DC / 1.5A supply.

Installation should consider microphone and loudspeaker positioning on both sides of the barrier, together with the loop’s position relative to the customer. The completed system should be checked for speech clarity and induction loop performance at the intended listening position.