Pricing and availability
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Average Price: $6,799
High-end/Boutique
$100
$501+
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Price History
Based on price data from 4 merchants for "SPL PQ Mastering Equalizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Elevate your mastering game with the SPL PQ Mastering Equalizer, a paragon of precision and adaptability. Engineered for audiophiles and professional sound engineers, this fully parametric, dual-channel five-band EQ is meticulously crafted to ensure each nuance of your mix is captured with clarity and depth. With SPL's pioneering 120V Rail Technology, the PQ boasts unparalleled headroom and dynamic range, rendering music with an effortless finesse that reduces listening fatigue.
The PQ's intuitive design allows for both stereo and dual-mono operation, with each of its ten bands (five per channel) independently switchable between Constant and Proportional Q modes. This flexibility ensures you can tailor your frequency adjustments to suit any mastering challenge, whether it’s corrective or creative. The Auto Bypass feature further enhances your workflow by automatically toggling between processed and unprocessed signals, allowing you to make objective assessments from the sweet spot of your listening environment.
Housed in a rugged 4U chassis, the PQ is designed for precision and durability, featuring detented potentiometers that enable exact setting recall, crucial for mastering sessions that demand consistency and accuracy.
Key Features:
- Fully parametric, dual-channel five-band equalizer
- Frequency range: 10Hz–40kHz
- Auto Bypass for objective A/B comparisons
- SPL 120V Rail Technology for superior headroom and dynamic range
- Constant and Proportional Q modes for tailored frequency adjustments
- Stepped potentiometers for precise recall
- 1/4 Gain Switch for minute corrections
- Rugged 4RU chassis with high-precision controls
Owner's manual
SPL PQ Mastering Equalizer User ManualProduct specs
| Type | Solid State |
| Number of Channels | 2 |
| Bypass | Yes |
| Number of Bands | 5 |
| High Pass Filter | Yes |
| Low Pass Filter | Yes |
| Q Type | Switchable (Constant, Proportional) |
| Boost/Cut Range | ±20dB |
| Freq Range High | 760Hz-24kHz |
| Freq Range Hi-Mid | 310Hz-10.2kHz |
| Freq Range Mid | 128Hz-4.1kHz |
| Freq Range Lo-Mid | 33Hz-1kHz |
| Freq Range Low | 10Hz-330Hz |
| Inputs | 2 x XLR |
| Outputs | 2 x XLR |
| Frequency Response | 10Hz-100kHz (-3dB) |
| Rack Spaces | 4U |
| Power Source | Standard IEC AC cable |
| Height | 6.97" |
| Depth | 11.8" |
| Width | 19.0" |
| Weight | 33.51 lbs. |
FAQs
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What makes the SPL PQ Mastering Equalizer suitable for mastering tasks?
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The SPL PQ Mastering Equalizer features five bands with switchable Q types and a wide frequency range, allowing precise control over the audio spectrum. Its stepped potentiometers ensure accurate recall of settings, making it ideal for mastering applications.
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How does the SPL PQ Mastering Equalizer handle minimal EQ adjustments?
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The SPL PQ includes a 1/4 Gain switch, which reduces the boost or cut range from ±20 dB to ±5 dB, allowing for more subtle and precise adjustments when minimal changes are needed.
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What type of connectivity does the SPL PQ Mastering Equalizer offer?
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The SPL PQ Mastering Equalizer provides balanced connectivity with 2 x XLR inputs and outputs, ensuring high-quality signal transfer suitable for professional studio environments.
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Can the SPL PQ Mastering Equalizer be easily integrated into a studio rack setup?
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Yes, the SPL PQ Mastering Equalizer is designed to fit into a standard 4U rack space, making it easy to integrate into existing studio equipment racks.
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Does the SPL PQ Mastering Equalizer offer bypass functionality?
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Yes, the SPL PQ Mastering Equalizer includes a bypass feature, allowing you to compare the processed and unprocessed signals easily during mastering sessions.
Videos
purewaveaudio
SPL PQ Mastering Equalizer 1540 1544 Review with Samples
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about SPL PQ Mastering Equalizer.
Features and functionality
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The SPL PQ Mastering Equalizer can operate in both constant and proportional Q modes, offering flexibility in EQ shaping.
Source
User experience
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Owners appreciate the intuitive workflow of the SPL PQ, emphasizing its impact on enhancing fast and intuitive mixing through muscle memory.
Source
Comparisons
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The SPL PQ is compared to the Pulsar Modular P440 and Massive Passive, highlighting its dual Q mode capability which is unique among these models.
Source
Critic Reviews
5.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
Add artist
In the YouTube video "Epic HOME STUDIO Setup 2025 | Colt Capperrune (studio tour)" by Andrew Masters, the SPL PQ Mastering Equalizer can be seen at 0:38 in a rack integrated into Colt Capperrune’s working desk in his Atmos mixing room, with further details shown later in the video at 23:10.
Genre Usage
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Used With
Based on how musicians on Equipboard use SPL PQ Mastering Equalizer, it is most commonly used with the following gear.
Community setups
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