1. Features
● The EQ901 Elite Series features four specifically designed equalization curve sets
unique to each Series I/II, III/IV or V/VI
● Precise 901 equalization is performed digitally in an Analog Devices 400MHz
SHARC DSP processor with 24 bit resolution
● Two identical stereo pair outputs are available, allowing for dual active stereo
systems (two stereo power amps) or the addition of an active subwoofer(s)
● IR Remote with selectable tone mode settings:
○ Normal mode
○ Enhanced mode
○ Warm mode
○ Low frequency reduction mode
● Ultra low distortion 2.0 Vrms output driver stage
● Selectable input sensitivity of 2.0 Vrms or 4.0 Vrms
2. What’s Included
● EQ901 Elite equalizer for BOSE 901 Series I/II, III/IV or V/VI (select your series
when ordering)
● Four precision engineered tone mode equalization curves
● IR Remote Control for tone mode selection
● External power supply
3. Typical Installation Examples
Analog audio input and output connections are made directly to the RCA input and output
jacks. For RCA connections, #1 is Left (L) and #2 is Right (R).
When making these
connections, make sure to power off the equipment being connected.
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EQ901 Elite User Guide - Rev. 05242022 deercreekaudio.com