DS18 EXL-P800X4 – 4 Channels Class A/B Car Amplifier – RMS Power @ 4 O – Droppin HZ Car Audio
An up-converter for receiving long and very long waves
Amazon.com: Hearing Amplifier, Ear Sound Enhancer, Enhanced Speech, Feedback Cancellation Mini in-The-Ear Sound Amplifier, Personal Hearing Device to Aid Adults and Seniors : Health & Household
SEM EBIC Amplifier (Specimen Current Detector) & specimen holders - Deben UK – In situ tensile testing & SEM accessories