Overview
The Enviro Test Construct wireless voice amplifier delivers 20W of crystal-clear sound with advanced features.
It supports Bluetooth, FM, echo, MP3, and multiple inputs for versatile use.
Powered by dual rechargeable lithium batteries, it offers up to 10 hours of working time.
Compact yet powerful, it is ideal for classrooms, outdoor activities, events, and professional use.
Features
- Wireless multifunction voice amplifier with Bluetooth, FM, TF card, U-disk, REC & AUX input.
- Echo/Reverberation function for clear and powerful sound projection.
- Built-in rechargeable 18650 lithium batteries for long-lasting performance.
- Hi-Fi original recording with strong sound coverage up to 1000 sqm.
- Compact, lightweight design for teachers, guides, trainers, and outdoor activities.
Technical specifications
| Frequency Response | 100Hz ~ 13KHz |
| Output Power | 20W |
| Channel | 3 (2.1) |
| Functions | Bluetooth, FM Radio, Echo, MP3, REC, AUX Input, TF Card, U-disk |
| Battery Capacity | 1500mAh × 2pcs, rechargeable 18650 Lithium battery |
| Charging Voltage | DC 10V / 1A |
| Charging Time | 3 – 4 hours |
| Working Time | 6 – 8h (Music), 8 – 10h (Amplifier) |
| Application Coverage | 40–50 m range, up to 1000 sqm |
| Certification | FCC, CE, RoHS |
| Working Temperature | -10°C ~ 45°C (14°F ~ 113°F) |
| Product Size | 130 × 96 × 54 mm (5.11 × 3.77 × 2.12 in) |
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