EQ901USB-I/II USB DAC and Replacement Equalizers for BOSE 901 Series I/II

The EQ901USB-I/II is an upgrade replacement for existing BOSE 901 Series I/II Equalizers.  It includes Series I/II specific EQ curves, analog and digital audio inputs. The EQ901USB-I/II is also a high performance digital preamplifier (DAC) intended to drive high quality power amplifiers or integrated amplifiers/receivers

The EQ901USB-I/II Overview

USB and TOSLINK Streaming Digital to Analog Converter (DAC) with built in equalization curves for the 901 Series I/II

Precise 901 Series I/II equalization performed digitally before the DAC in an Analog Devices 400 MHz SHARC DSP processor with 24 bit resolution

Typical Connections

Remote selectable inputs:

1.    Analog

2.    TOSLINK

3.    USB

Remote selectable tonal characteristics settings:

1.    Normal mode

2.    Warm mode

3.    Bright mode

4.    Rock mode

Remote volume control with 0.5dB resolution and mute

IR Remote Control Functions

What’s Included:

EQ901USB-I/II equalizer for your BOSE 901 Series I/II

Four precision engineered tone adjustment equalization curves

IR Remote Control

USB Cable

USB thumb drive with Windows USB driver

EQ901USB-I/II User Guide