AtlasIED HX33‑4525 Intercom Line-Matching Transformer, 45 Ohms

The AtlasIED HX33‑4525 is purpose-built for intercom and general PA systems, enabling easy connection of a 45 Ω speaker to a 25 V constant-voltage line. Its compact size makes it ideal for space-constrained installations.

Featuring selectable primary power taps at 0.5 W and 1 W, the HX33‑4525 ensures proper level matching with minimal signal degradation. Boasting an insertion loss under 1.5 dB and a frequency response within ±2 dB from 150 Hz to 9 kHz, it maintains clarity across voice frequency bands.

Key Features

• Compact yet robust: Only 1.19″ × 1.44″ × 0.50″ for tight mounting areas
• Dual power taps: 0.5 W and 1 W primary options
• Low insertion loss: ≤ 1.5 dB maintains audio quality
• Voice-optimized frequency range: 150 Hz–9 kHz (±2 dB)

Technical Specifications

• Primary Voltage: 25 V
• Power Taps: 0.5 W, 1 W
• Secondary Impedance: 45 Ω
• Frequency Response: 150 Hz–9 kHz (±2 dB)
• Insertion Loss: ≤ 1.5 dB
• Dimensions: 1.19 × 1.44 × 0.50 in (3.02 × 3.65 × 1.19 cm)
• Shipping Weight: 0.28 lb (0.13 kg)
• Warranty: 5 years (60 months)