What advantage does a single-channel 31-band equalizer provide in professional audio?

Single-channel EQs like the dbx 131s are ideal for mastering, outboard processing of critical signal paths, and studio monitoring—where precise frequency control on one channel is more important than simultaneous multi-channel processing.

How does 1/3-octave resolution help shape sound in studio and live applications?

1/3-octave EQs let you address specific frequency problems with surgical precision, taming feedback, reducing room resonances, and refining tone in ways that broader-band EQs cannot achieve.

What does a 50 Hz high-pass filter do and when would I use it?

The 50 Hz high-pass filter rolls off low-frequency rumble and sub-audible noise from HVAC, traffic, or microphone handling, resulting in cleaner audio and more usable headroom without compromising desired bass content.

Why does the dbx 131s exceed 108 dB dynamic range?

A dynamic range above 108 dB means the equalizer preserves signal integrity from the quietest to loudest levels with minimal added noise, ensuring transparent processing whether you're working in studio or live environments.

How should I protect nonconductive 20mm sliders during storage and transport?

Avoid pushing sliders to physical extremes; use a dust cover when the unit is idle; store upright in a stable position to prevent fader stiction; handle the unit carefully to prevent impact damage to the slider mechanism.

What makes the dbx 131s suitable for touring, studio, and installed sound?

Its flexible single-channel design, high-quality components, and professional I/O (XLR and TRS) make the dbx 131s equally at home as a mastering tool in studios, a touring engineer's outboard processor, or permanent venue system processing.

How long does delivery typically take for the dbx 131s to UAE and GCC locations?

Delivery timelines depend on your location and current stock availability; contact the Procure.ae team to request a quote and confirm lead time for your order.

Does Procure.ae provide support for integrating this professional EQ into my setup?

Procure.ae can offer guidance on best practices for system integration and use; reach out to discuss what support is available for your studio, touring, or installed installation.

What are the core technical specifications of the dbx 131s?

The dbx 131s is a single-channel 31-band 1/3-octave Constant Q graphic EQ with greater than 108 dB dynamic range, switchable ±6 or ±12 dB boost/cut, 20mm nonconductive sliders, XLR and TRS I/O, and a 50 Hz low-cut filter.

What comes included with the dbx 131s?

Contact Procure.ae to confirm the package contents, including cables, rack hardware, documentation, and any accessories supplied with the equalizer.

Is the dbx 131s covered by a manufacturer warranty?

Contact Procure.ae to confirm warranty terms, coverage details, and regional service options for the dbx 131s.

dbx 131s Single Channel 31-Band Graphic Equalizer

The dbx 131s is a single-channel 31-band 1/3-octave Constant Q graphic equalizer with greater than 108 dB dynamic range, switchable plus or minus 6 or plus or minus 12 dB boost/cut, 20mm nonconductive sliders, XLR and TRS I/O, and a 50 Hz low-cut filter for studio, touring, and installed sound applications.

Overview

The dbx 131s is a single-channel 31-band 1/3-octave Constant Q graphic equalizer that upholds the four-decade legacy of dbx precision audio processing. Designed for the most demanding sound reinforcement environments, it combines greater than 108 dB dynamic range, a 10 Hz to 50 kHz frequency response, switchable boost/cut ranges, and 4-segment LED metering in a compact, no-nonsense package. Whether used on tour, in the studio, or as part of a permanent installed sound system, the 131s consistently delivers exceptional sound and rugged reliability.

Key Features

Single channel, 31-band 1/3-octave Constant Q equalization
Greater than 108 dB dynamic range for pristine signal quality
Frequency response from less than 10 Hz to greater than 50 kHz
Switchable boost/cut ranges of plus or minus 6 dB or plus or minus 12 dB
Plus or minus 12 dB input gain range
12 dB-per-octave low-cut filter, -3 dB at 50 Hz (switchable)
20mm nonconductive sliders for smooth, tactile frequency control
4-segment LED ladders for output level monitoring
Front panel bypass switch for instant A/B comparison
XLR and TRS balanced inputs and outputs

Specifications

Type: Single-Channel 31-Band Graphic Equalizer
Channels: 1
Bands: 31 (1/3 octave, Constant Q)
Boost/Cut Range: Switchable +/-6 dB or +/-12 dB
Input Gain: +/-12 dB
Low-Cut Filter: 12 dB/octave, -3 dB at 50 Hz
Fader Size: 20mm nonconductive
Metering: 4-segment LED output ladders
Connectors: XLR and TRS (balanced)
Frequency Response: Less than 10 Hz to greater than 50 kHz
Dynamic Range: Greater than 108 dB
Weight: 2.2 kg
Color: Wenge

Why buy from Procure.ae

Procure.ae supplies dbx signal processing equipment to sound engineers, touring companies, recording studios, and installed sound contractors across the UAE and GCC. We offer competitive pricing, fast regional delivery, and dedicated support for B2B procurement projects. Contact us to request a quote for the dbx 131s.

FAQ

What does Constant Q mean on the dbx 131s?
Constant Q means the bandwidth of each filter band remains consistent regardless of the boost or cut amount applied. This gives a more predictable and musical response compared to variable-Q designs, making the 131s ideal for critical acoustic correction.

How does the dbx 131s differ from the dbx 231s?
The 131s provides a single channel of 31-band equalization while the 231s provides two channels in a similar form factor. The 131s is ideal when only one channel needs processing, reducing rack space and cost.

Does the dbx 131s have a hardware bypass?
Yes, a front panel bypass switch allows instant A/B comparison between processed and unprocessed signal, useful during setup and for verifying equalization adjustments in real time.