ELPA earphone volume amplifier TEA-081 1 piece

Catalogue number: TEA-081 Features: ● Amplifies call volume by up to 30db. ● Comes with an automatic power-off function that automatically turns off the power. ● Easy to install without construction work. (Only for models with modular, detachable handset) Specifications: ● Depth (mm): 26 ● Width (mm): 53 ● Height (mm): 89 ● Receiver volume amplifier ● Dimensions: W53mm x H89mm x D26mm (excluding protrusions) ● Amplifier level: Maximum 30dB ● Power supply: 2 x AAA batteries (sold separately) ● Accessories: 4-pole, 4-core cable (approx. 16cm) ● Compatible with 4-pole, 4-core ● Automatic power-off function