Product Detail
The Williams AV SY21 D is a commercial - grade large - area Dante infrared system. It comes with an IR+ transmitter, 2 emitters and an array. The system includes an IR M1 D infrared modulator with Dante input, 2 IR E4 emitters, 1 IR A4 array, 4 WIR RX22 - 4N receivers, 2 BAT KT6 dual bay chargers, 4 EAR 022 earphones, and 1 IDP 008 ADA wall plaque. With dimensions of 19” (W) x 1.75” (H) x 8.2” (D) and weighing 5.2lb., it's a single rack unit. It has an international desktop power supply with input of 36 W, 110 - 240 VAC 50 - 60 Hz. The system offers great features like a high signal - to - noise ratio of 67 dB, selectable carrier frequencies, and adjustable auto - carrier shut - off. The IR E4 emitters can cover up to 18,000 square feet in single - channel mode. The CHG 520 charger can charge 5 units, and the IR RX20 receiver has a long battery life of 8 hours. This system is approved by CE, FCC, RoHS, and many other standards, with different warranty periods for components and accessories.
Using the Williams AV SY21 D system is straightforward. First, set up the IR M1 D infrared modulator. Connect it to the power supply as per the requirements. You can select the carrier frequency that suits your needs. Then, connect the IR E4 emitters to the modulator using CAT5e cables. The system supports both balanced and unbalanced audio inputs, so choose the appropriate connection for your audio source. For the receivers, charge them using the BAT KT6 dual - bay chargers. You can adjust the volume and select the frequency on the IR RX20 receivers. When it comes to maintenance, keep the system in an environment with an ambient temperature between 0 - 50C, and a non - condensing, non - corrosive atmosphere. Regularly check the cables and connections for any signs of wear. If you need to adjust settings, you can do so through the embedded website. Also, remember the warranty periods. The modulator has a 2 - year warranty, while accessories have 90 - day warranties.