Product Overview

The 3-Zone Constant Voltage Amplifier (150W) is a high-performance public address (PA) and background music system designed for schools, shopping malls, hotels, and commercial spaces. It features 3 independent zones with volume control, optical/coaxial digital input for long-distance audio transmission, and dual mic inputs with effects for clear announcements.

Key Features

✔ 3-Zone Independent Control – Adjust volume per zone (100V/4-16Ω outputs).
✔ Digital Audio Input – 1× Optical (Toslink) + 1× Coaxial for interference-free transmission.
✔ Dual Mic Inputs with Effects – Perfect for speeches, karaoke, or live announcements.
✔ 2 Auxiliary Line Inputs – Connect CD players, tuners, or PCs.
✔ Tone & Master Volume Control – Fine-tune bass, treble, and overall output.
✔ Low Distortion (THD ≤0.2%) – High-fidelity sound for clear broadcasts.

Technical Specifications

Why Choose This PA Amplifier?

1. Perfect for Multi-Zone Audio Systems

• 3 independent channels allow different volume levels in separate areas (e.g., lobby, cafeteria, outdoor speakers).

• Supports 100V line (long-distance) and 4-16Ω (high-fidelity) speakers.

2. Crystal-Clear Digital Input (Optical/Coaxial)

• Optical (Toslink) & Coaxial inputs eliminate interference in long cable runs (ideal for stadiums, airports).

• Superior to analog RCA/3.5mm inputs in noisy environments.

3. Professional Mic & Audio Control

• 2 mic inputs with echo/reverb effects – Great for live announcements or karaoke.

• Separate EQ & volume knobs for mics, aux inputs, and master output.

4. Reliable & Energy Efficient

• ≤0.2% distortion ensures clear sound even at full power.

• Compact & rack-mountable – Saves space in control rooms.

Ideal Applications

✅ Schools & Universities – Bell systems, emergency alerts, and classroom announcements.
✅ Shopping Malls & Hotels – Background music + paging in different zones.
✅ Churches & Stadiums – Clear speech reinforcement with digital inputs.
✅ Public Transportation – Train stations, airports with long-distance audio.

Conclusion

This 3-zone PA amplifier combines versatility, high power, and digital connectivity for professional audio distribution. Whether for background music, live announcements, or emergency broadcasts, its optical/coaxial inputs, mic effects, and zone control make it a top choice for modern installations.

Order now for reliable, distortion-free sound! 🚀