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BSS Audio DPR-901 II

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Page last updated Aug 10, 2025

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Unleash the full potential of your studio recordings with the BSS Audio DPR-901 II, a trailblazer in the world of frequency-conscious gating and compression. This dynamic equalizer is a pioneering marvel, seamlessly merging a parametric equalizer with dynamic-sensing circuitry to adapt to the ever-changing dynamics of your audio source. Imagine effortlessly enhancing a vocalist's sibilance in softer passages by automatically boosting high frequencies, or applying creative EQ tweaks on the fly — the possibilities are endless!

The DPR-901 II stands out with its versatile configuration options, allowing you to apply four bands of EQ to a single input or two bands to stereo/dual mono inputs. This flexibility empowers you to tailor your sound with precision, ensuring that every nuance of your audio is captured and refined to perfection. Whether you're sculpting the subtleties of a vocal track or adding depth to an instrumental piece, the DPR-901 II offers you the tools to elevate your sound to new heights.

Embrace the power of intelligent sound shaping with the BSS Audio DPR-901 II, and let your creative vision take center stage.

Key Features:

Dynamic equalizer with frequency-conscious gating and compression
Parametric EQ combined with dynamic-sensing circuitry
Configurable for one input with four bands of EQ or stereo/dual mono inputs with two bands of EQ
Ideal for enhancing vocal sibilance and creative audio manipulation
Versatile sound shaping for studio recording excellence

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Rec Gear Demos

BSS DPR-901ii Dynamic equalizer Multi Band Compressor

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BSS DPR 901 sound demo (listen headphones )

Master Astakhov Sound

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about BSS Audio DPR-901 II.

Features and functionality

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The BSS Audio DPR-901-II offers 4-band mono or 2-band 2-channel dynamic EQ options, adding versatility for live sound applications.
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The BSS 901 II dynamic EQ allows for both upward and downward compression and expansion, offering unique control over the amplitude above or below the threshold.
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The unit supports stereo-split options, allowing users to apply EQ bands as either 2 or 4 bands, giving flexibility in processing mono or stereo sources.
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The BSS 901 II's proportional Q filters tighten as the gain increases, making it adept at addressing ringing frequencies and corrective applications.
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Use cases and applications

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It's noted for effectively controlling vocal muddiness, particularly in live settings, by dynamically cutting lows when a singer transitions from singing to speaking.
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The BSS 901 II can be used to mangle dynamic response, making it suitable for both fixing and creating phasey issues, depending on the application.
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Comparisons

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Some users prefer the DPR-901-II over plugins like Waves C4/C6, citing its specific band-targeting capabilities as more precise for live sound.
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Unlike the TubeTech multiband compressor, the BSS 901 II is described as "crazy clinical," providing precise control with its compressor-like gain knob on each EQ band.
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Alanis Morissette

Singer, Guitarist

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Verified via Mixonline

"Though Pearson uses the XL4 mic pre's for most of the microphones onstage, for Alanis' vocal channel, he uses an Avalon VT737SP tube compressor/mic pre for more accuracy. 'I route that into a BSS DPR-901 II selectable-frequency compressor. Then I have a Klark-Teknik DN410 Parametric EQ that I assign to the vocal group on the Midas, so I can EQ specifically for her voice. Alanis writes all of her lyrics, and I think people come to the show to hear those lyrics, so I try to mix so that [the lyrics] are on top and out front and intelligible. She is a wonderful singer and really carries the show with her voice. However, she doesn't sing very loudly, and because of that, her vocal mic has a lot of gain, and she moves all over the stage, so you pick up stage volume through the vocal mic, which is the biggest challenge in mixing the show.'"