EQ901 PS User Guide
6. Accessing the Input Level Switches
Introduction
The EQ901 PS is a direct replacement for existing BOSE 901 equalizers for users with
pre-power amplifiers or pre-out / power-in ports who wish to add a powered subwoofer to their
system. Switchable input levels between 0.9 Vrms and 2.0 Vrms accommodates use with most
preamplifiers/amplifiers. The EQ901 PS is based on the miniDSP 2x4 digital signal processor.
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EQ901 PS User Guide - Rev. 04012022 deercreekaudio.com