EQ901 Platinum

The EQ901 Platinum is Deer Creek Audio's premier equalizer / preamplifier for the legendary Bose 901® Series speakers.  The EQ901 Platinum features four specifically designed equalization curve sets unique to each series:  I/II, III/IV or V/VI (select your series when ordering).

The EQ901 Platinum is also a high fidelity digital preamplifier intended to drive high quality power amplifiers, integrated amplifiers or receivers. Analog, USB, SPDIF, TOSLINK and high definition Bluetooth streaming inputs are included.

When used in the digital input mode the music stream is maintained in the digital domain all the way through the 901 equalization process. This is the purest and highest fidelity way to drive your 901s.

• Precise BOSE 901 equalization
• The four BOSE 901 tone modes
  Normal mode
  Enhanced mode
  Warm mode
  Low frequency reduction mode
• Four output channels allowing for a standard stereo setup or dual active stereo systems (two stereo power amps) 
• Remote volume control with 0.5dB resolution and mute
• Inputs - remote selectable
  Bluetooth streaming - CD quality
• Analog RCA or optional balanced TRS
  USB audio
  TOSLINK
  SPDIF
• Analog Outputs
  Single-ended analog RCA or balanced TRS
• OLED front panel display and volume control knob
• Optional subwoofer active crossover (High/Low Pass filters)

• Total Harmonic Distortion:  0.007% 10 Hz to 22 kHz
• Noise Floor:  -105dB @ 700 Hz 
• DSP Engine:  Analog Devices SHARC Digital Signal Processor
• Max Input Levels:  2.0 Vrms / 4.0 Vrms
• Max Output Levels:  2.0 Vrms / 4.0 Vrms
• Analog Audio Input Impedance: 100 kΩ 
• Analog Audio Output Impedance: 200 Ω 
• Dimensions: 150mm x 180mm x 41mm 
• Power Supply: External PSU 12V/1.6A (US/UK/EU/AU plugs) 
• Power: 10.3 W (idle) 3.1 W (standby)
• Bluetooth with support for LDAC™/aptX™ HD/aptX™/AAC/SBC
• Supported Sample Rate: 20 ~ 216 kHz

Subwoofer Active Crossover Option

Integrating your subwoofer with an EQ901 equalizer using modern DSP crossover technology will energize your 901s with last octave bass extension, reduced overall distortion and power handling. 

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Active Subwoofer Crossover 

• EQ901 Platinum equalizer
• IR remote
• External power supply (UK/EU/US)

Selection of the tone mode is generally a subjective choice based on what sounds best to you. 

• Normal mode is the most neutral
• Enhanced mode provides a tighter sound
• Warm mode adds midrange with slight treble reduction
• Low Frequency Reduction mode is intended to control bass in smaller rooms or on “boomy” recordings

EQ901 equalizers have a 30-day, 100% satisfaction guarantee. U.S. domestic technical support provided by Deer Creek Audio. Live phone support available during business hours, or send us your questions via email. Deer Creek Audio is an authorized miniDSP dealer.

This product is warranted to be free from defects in materials and workmanship for a period of one year from invoice. Warranty does not cover failure of the product due to incorrect connection or installation, improper or undocumented use, unauthorized servicing, modification or alteration of the unit in any way, or any usage outside of that recommended in the product manual. The customer provides return shipping to Deer Creek Audio. Deer Creek Audio is an authorized miniDSP dealer.

Orders received by 2 PM mountain time are shipped the same business day. U.S. domestic orders ship for $17.95. Orders shipping to Canada are $34.95. For more details check out the FAQs on Buying from Deer Creek Audio.