The 535-LA is a 500 series module based on API's 325 booster console cards. It can be used to amplify or attenuate incoming and outgoing signals while
API 535-LA 500 Series Line Amplifier
API Audio 535-LA Line Amplifier
New Gear Review: API 535-LA Line Amplifier – Music Connection Magazine
API 535-LA 500 Series Line Amplifier Module
Rock oN Show Report AES2015 Day1 : API 535-LA
API 535-LA Amplifier Review - Is it Worth It (2023 UPDATED) - Gemtracks Beats
reactjs - CORS Missing Allow Origin React and Rails API - Stack Overflow
PI 535-LA AMPLIFICADOR DE LÍNEA
500 Series Unique Modules
API Audio 535-LA Line Amplifier 500 Series – Retro Gear Shop
API 535-LA
8 slot API lunchbox + (8) API LA-535 line amps = mini API console sound?
API 535-LA Amplifier Review - Is it Worth It (2023 UPDATED) - Gemtracks Beats
Larry Droppa and the API 535-LA Line Amplifier at The AES Convention 2015