ET120 Induction Loop Amplifier
Features
- Balanced or Unbalanced Microphone input
- 120m2 square area coverage
- Studio Quality Compressor Limiter
- Metal Loss Correction
- Secure mix controls on front
- Phantom Power on the microphone input
- Two part Screw terminals for ease of installation.

The ET120 Audio Frequency Induction Loop amplifier has been designed to meet the requirements of buildings to comply with the DDA and building regulations document M, or anywhere where provision is allowed for hard of hearing clients.
The ET120 covers a square area of 120m2, (11m a side) and rectangular areas up to 70m by 5m (350m2) such as corridors.
The unit is self-contained in a wall mount enclosure with an attractive ABS lid and metal back box, which has 20mm gland knockouts on the top for signal cables and the bottom for mains connection allowing simple cable management & installation.
The ET120 features metal loss correction, which restores the high frequencies removed by metal in buildings such as ceiling grids and floor reinforcing.
Front panel indication is given for input signal limit and peak loop drive current.
Specifications
Audio Inputs |
2 |
Type |
3.5mm Mono Jack |
Phantom |
Yes, 4.5V 1mA |
Sensitivity |
-50dB |
Voltage |
230V – 50/60 Hz |
Power | 20VA Max |
Compressor |
Variable ratio 1:1 to limit 20:1 |
Attack |
10mS |
Release |
Automatic from 500mS to 1500mS |
Noise Reduction |
Yes |
Dynamic Range |
>60dB |
THD |
<0.5% |
Dimensions (WxHxD) |
91x170x33mm |
Weight |
860Kg |