DBX 2031 Single Channel 31-Band Graphic EQ

DBX 2031 Single Channel 31-Band Graphic EQ

The dbx 2031 is a professional dual-channel 31-band graphic equalizer designed to deliver precise system tuning, feedback control, and tonal shaping for live sound, installations, recording studios, houses of worship, and broadcast environments. Renowned for its exceptional audio performance and rugged reliability, the 2031 provides engineers with the tools needed to optimize any sound system with confidence.

Featuring 31 ISO-standard constant-Q frequency bands per channel, the 2031 allows for highly accurate frequency adjustments without affecting adjacent bands. Its switchable ±6dB or ±15dB boost/cut range provides flexibility for both subtle corrections and more aggressive EQ adjustments, while the ultra-low-noise circuitry ensures pristine audio quality throughout the signal path.

The unit also incorporates dbx's Type III™ Noise Reduction technology, helping to increase dynamic range and reduce unwanted noise. Dedicated low-cut filters remove problematic low-frequency rumble, while output gain controls and extensive metering simplify system calibration and level management. Built for professional applications, the dbx 2031 delivers the performance, precision, and reliability demanded by audio professionals worldwide.

Key Features

• Dual-channel 31-band graphic equalizer

• Constant-Q filter design for precise frequency control

• Switchable ±6dB or ±15dB boost/cut range

• dbx Type III™ Noise Reduction system

• 40Hz low-cut filter on each channel

• 20mm non-conductive sliders

• Output gain controls per channel

• 12-segment LED output metering

• XLR, TRS, and barrier strip connectivity

• Rugged 3U rackmount design

• Ideal for live sound, installed sound, studios, and broadcast applications

Specifications

| Specification

| Details

| Model

| dbx 2031

| Type

| Dual 31-Band Graphic Equalizer

| Channels

| 2

| EQ Bands

| 31 Bands per Channel

| Frequency Centers

| ISO Standard 1/3-Octave

| Filter Type

| Constant-Q

| Boost/Cut Range

| Switchable ±6dB or ±15dB

| Frequency Response

| 10Hz – 50kHz (+0.5/-1dB)

| Dynamic Range

| Greater than 112dB

| Signal-to-Noise Ratio

| > 90dB

| THD+Noise

| < 0.005%

| Crosstalk

| < -80dB

| Low-Cut Filter

| 40Hz, 18dB/Octave

| Noise Reduction

| dbx Type III™ Noise Reduction

| Input Connectors

| XLR, 1/4" TRS, Barrier Strip

| Output Connectors

| XLR, 1/4" TRS, Barrier Strip

| Input Impedance

| 40kΩ Balanced, 20kΩ Unbalanced

| Output Impedance

| 120Ω Balanced, 60Ω Unbalanced

| Maximum Input Level

| +21dBu Balanced or Unbalanced

| Maximum Output Level

| +21dBu Balanced / +18dBm Unbalanced

| Metering

| 12-Segment LED Output Meter per Channel

| Slider Travel

| 20mm

| Chassis Format

| 3U Rackmount

| Power Supply

| Internal Universal Power Supply

| Applications

| Live Sound, PA Systems, Recording Studios, Broadcast, Houses of Worship, Installations

| Dimensions (H x W x D)

| 133 x 483 x 201mm

| Weight

| 5.7kg

Learn more about DBX

View more DBX at OneStopMusic

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