AtlasIED IP‑HT47 4W Audio Transformer Kit for IPX Endpoints

The AtlasIED IP‑HT47 is a compact impedance‑matching transformer designed to retrofit IPX audio or visual IP endpoints. It enables connection of 70 V constant‑voltage loudspeakers for increased coverage—ideal for paging, emergency alerting, and wide-area announcements.

Featuring low insertion-loss (≤ 1 dB) and selectable power taps (0.5, 1, 2, or 4 W), this transformer integrates seamlessly with networked communication systems like InformaCast, GCK, and Cisco SRST, ensuring reliable audio delivery even during WAN outages.

Key Features

• Low Insertion Loss: ≤ 1 dB maintains audio clarity from 60 Hz to 12 kHz
• Selectable Taps: Offers 0.5, 1, 2, or 4 W output to suit speaker loads
• Rich Kit Contents: Includes transformer, WAGO™ connectors, tape, screws, and wire nuts
• Compatible with:** Cisco SRST, InformaCast, GCK, and major SIP systems

Technical Specifications

• Model: IP‑HT47
• Dimensions: 2.36 × 1.97 × 0.71 in (60 × 50 × 18 mm)
• Weight: ~1.02 lbs (0.46 kg) shipping weight
• Connectivity: 70 V taps, wire-nut and WAGO™ inputs

What's in the Box

• IP‑HT47 transformer
• 2× WAGO™ 221 connectors
• #8 self-tapping screws
• Double-sided mounting tape
• 3× 22–16 AWG wire nuts